f0fba2ad1b
This patch extends the ASoC API to allow sound cards to have more than one CODEC and more than one platform DMA controller. This is achieved by dividing some current ASoC structures that contain both driver data and device data into structures that only either contain device data or driver data. i.e. struct snd_soc_codec ---> struct snd_soc_codec (device data) +-> struct snd_soc_codec_driver (driver data) struct snd_soc_platform ---> struct snd_soc_platform (device data) +-> struct snd_soc_platform_driver (driver data) struct snd_soc_dai ---> struct snd_soc_dai (device data) +-> struct snd_soc_dai_driver (driver data) struct snd_soc_device ---> deleted This now allows ASoC to be more tightly aligned with the Linux driver model and also means that every ASoC codec, platform and (platform) DAI is a kernel device. ASoC component private data is now stored as device private data. The ASoC sound card struct snd_soc_card has also been updated to store lists of it's components rather than a pointer to a codec and platform. The PCM runtime struct soc_pcm_runtime now has pointers to all its components. This patch adds DAPM support for ASoC multi-component and removes struct snd_soc_socdev from DAPM core. All DAPM calls are now made on a card, codec or runtime PCM level basis rather than using snd_soc_socdev. Other notable multi-component changes:- * Stream operations now de-reference less structures. * close_delayed work() now runs on a DAI basis rather than looping all DAIs in a card. * PM suspend()/resume() operations can now handle N CODECs and Platforms per sound card. * Added soc_bind_dai_link() to bind the component devices to the sound card. * Added soc_dai_link_probe() and soc_dai_link_remove() to probe and remove DAI link components. * sysfs entries can now be registered per component per card. * snd_soc_new_pcms() functionailty rolled into dai_link_probe(). * snd_soc_register_codec() now does all the codec list and mutex init. This patch changes the probe() and remove() of the CODEC drivers as follows:- o Make CODEC driver a platform driver o Moved all struct snd_soc_codec list, mutex, etc initialiasation to core. o Removed all static codec pointers (drivers now support > 1 codec dev) o snd_soc_register_pcms() now done by core. o snd_soc_register_dai() folded into snd_soc_register_codec(). CS4270 portions: Acked-by: Timur Tabi <timur@freescale.com> Some TLV320aic23 and Cirrus platform fixes. Signed-off-by: Ryan Mallon <ryan@bluewatersys.com> TI CODEC and OMAP fixes Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com> Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> Signed-off-by: Jarkko Nikula <jhnikula@gmail.com> Samsung platform and misc fixes :- Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Reviewed-by: Jassi Brar <jassi.brar@samsung.com> Signed-off-by: Seungwhan Youn <sw.youn@samsung.com> MPC8610 and PPC fixes. Signed-off-by: Timur Tabi <timur@freescale.com> i.MX fixes and some core fixes. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> J4740 platform fixes:- Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> CC: Tony Lindgren <tony@atomide.com> CC: Nicolas Ferre <nicolas.ferre@atmel.com> CC: Kevin Hilman <khilman@deeprootsystems.com> CC: Sascha Hauer <s.hauer@pengutronix.de> CC: Atsushi Nemoto <anemo@mba.ocn.ne.jp> CC: Kuninori Morimoto <morimoto.kuninori@renesas.com> CC: Daniel Gloeckner <dg@emlix.com> CC: Manuel Lauss <mano@roarinelk.homelinux.net> CC: Mike Frysinger <vapier.adi@gmail.com> CC: Arnaud Patard <apatard@mandriva.com> CC: Wan ZongShun <mcuos.com@gmail.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
454 lines
19 KiB
C
454 lines
19 KiB
C
/*
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* linux/sound/soc-dapm.h -- ALSA SoC Dynamic Audio Power Management
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*
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* Author: Liam Girdwood
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* Created: Aug 11th 2005
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* Copyright: Wolfson Microelectronics. PLC.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __LINUX_SND_SOC_DAPM_H
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#define __LINUX_SND_SOC_DAPM_H
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#include <linux/device.h>
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#include <linux/types.h>
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#include <sound/control.h>
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#include <sound/soc.h>
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/* widget has no PM register bit */
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#define SND_SOC_NOPM -1
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/*
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* SoC dynamic audio power management
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*
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* We can have upto 4 power domains
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* 1. Codec domain - VREF, VMID
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* Usually controlled at codec probe/remove, although can be set
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* at stream time if power is not needed for sidetone, etc.
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* 2. Platform/Machine domain - physically connected inputs and outputs
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* Is platform/machine and user action specific, is set in the machine
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* driver and by userspace e.g when HP are inserted
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* 3. Path domain - Internal codec path mixers
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* Are automatically set when mixer and mux settings are
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* changed by the user.
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* 4. Stream domain - DAC's and ADC's.
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* Enabled when stream playback/capture is started.
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*/
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/* codec domain */
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#define SND_SOC_DAPM_VMID(wname) \
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{ .id = snd_soc_dapm_vmid, .name = wname, .kcontrols = NULL, \
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.num_kcontrols = 0}
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/* platform domain */
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#define SND_SOC_DAPM_INPUT(wname) \
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{ .id = snd_soc_dapm_input, .name = wname, .kcontrols = NULL, \
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.num_kcontrols = 0}
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#define SND_SOC_DAPM_OUTPUT(wname) \
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{ .id = snd_soc_dapm_output, .name = wname, .kcontrols = NULL, \
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.num_kcontrols = 0}
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#define SND_SOC_DAPM_MIC(wname, wevent) \
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{ .id = snd_soc_dapm_mic, .name = wname, .kcontrols = NULL, \
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.num_kcontrols = 0, .event = wevent, \
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.event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD}
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#define SND_SOC_DAPM_HP(wname, wevent) \
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{ .id = snd_soc_dapm_hp, .name = wname, .kcontrols = NULL, \
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.num_kcontrols = 0, .event = wevent, \
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.event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD}
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#define SND_SOC_DAPM_SPK(wname, wevent) \
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{ .id = snd_soc_dapm_spk, .name = wname, .kcontrols = NULL, \
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.num_kcontrols = 0, .event = wevent, \
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.event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD}
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#define SND_SOC_DAPM_LINE(wname, wevent) \
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{ .id = snd_soc_dapm_line, .name = wname, .kcontrols = NULL, \
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.num_kcontrols = 0, .event = wevent, \
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.event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD}
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/* path domain */
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#define SND_SOC_DAPM_PGA(wname, wreg, wshift, winvert,\
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wcontrols, wncontrols) \
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{ .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \
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.invert = winvert, .kcontrols = wcontrols, .num_kcontrols = wncontrols}
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#define SND_SOC_DAPM_MIXER(wname, wreg, wshift, winvert, \
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wcontrols, wncontrols)\
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{ .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \
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.invert = winvert, .kcontrols = wcontrols, .num_kcontrols = wncontrols}
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#define SND_SOC_DAPM_MIXER_NAMED_CTL(wname, wreg, wshift, winvert, \
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wcontrols, wncontrols)\
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{ .id = snd_soc_dapm_mixer_named_ctl, .name = wname, .reg = wreg, \
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.shift = wshift, .invert = winvert, .kcontrols = wcontrols, \
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.num_kcontrols = wncontrols}
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#define SND_SOC_DAPM_MICBIAS(wname, wreg, wshift, winvert) \
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{ .id = snd_soc_dapm_micbias, .name = wname, .reg = wreg, .shift = wshift, \
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.invert = winvert, .kcontrols = NULL, .num_kcontrols = 0}
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#define SND_SOC_DAPM_SWITCH(wname, wreg, wshift, winvert, wcontrols) \
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{ .id = snd_soc_dapm_switch, .name = wname, .reg = wreg, .shift = wshift, \
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.invert = winvert, .kcontrols = wcontrols, .num_kcontrols = 1}
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#define SND_SOC_DAPM_MUX(wname, wreg, wshift, winvert, wcontrols) \
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{ .id = snd_soc_dapm_mux, .name = wname, .reg = wreg, .shift = wshift, \
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.invert = winvert, .kcontrols = wcontrols, .num_kcontrols = 1}
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#define SND_SOC_DAPM_VALUE_MUX(wname, wreg, wshift, winvert, wcontrols) \
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{ .id = snd_soc_dapm_value_mux, .name = wname, .reg = wreg, \
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.shift = wshift, .invert = winvert, .kcontrols = wcontrols, \
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.num_kcontrols = 1}
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/* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */
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#define SOC_PGA_ARRAY(wname, wreg, wshift, winvert,\
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wcontrols) \
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{ .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \
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.invert = winvert, .kcontrols = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)}
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#define SOC_MIXER_ARRAY(wname, wreg, wshift, winvert, \
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wcontrols)\
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{ .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \
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.invert = winvert, .kcontrols = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)}
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#define SOC_MIXER_NAMED_CTL_ARRAY(wname, wreg, wshift, winvert, \
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wcontrols)\
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{ .id = snd_soc_dapm_mixer_named_ctl, .name = wname, .reg = wreg, \
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.shift = wshift, .invert = winvert, .kcontrols = wcontrols, \
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.num_kcontrols = ARRAY_SIZE(wcontrols)}
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/* path domain with event - event handler must return 0 for success */
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#define SND_SOC_DAPM_PGA_E(wname, wreg, wshift, winvert, wcontrols, \
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wncontrols, wevent, wflags) \
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{ .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \
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.invert = winvert, .kcontrols = wcontrols, .num_kcontrols = wncontrols, \
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.event = wevent, .event_flags = wflags}
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#define SND_SOC_DAPM_MIXER_E(wname, wreg, wshift, winvert, wcontrols, \
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wncontrols, wevent, wflags) \
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{ .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \
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.invert = winvert, .kcontrols = wcontrols, .num_kcontrols = wncontrols, \
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.event = wevent, .event_flags = wflags}
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#define SND_SOC_DAPM_MIXER_NAMED_CTL_E(wname, wreg, wshift, winvert, \
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wcontrols, wncontrols, wevent, wflags) \
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{ .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \
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.invert = winvert, .kcontrols = wcontrols, \
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.num_kcontrols = wncontrols, .event = wevent, .event_flags = wflags}
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#define SND_SOC_DAPM_MICBIAS_E(wname, wreg, wshift, winvert, wevent, wflags) \
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{ .id = snd_soc_dapm_micbias, .name = wname, .reg = wreg, .shift = wshift, \
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.invert = winvert, .kcontrols = NULL, .num_kcontrols = 0, \
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.event = wevent, .event_flags = wflags}
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#define SND_SOC_DAPM_SWITCH_E(wname, wreg, wshift, winvert, wcontrols, \
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wevent, wflags) \
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{ .id = snd_soc_dapm_switch, .name = wname, .reg = wreg, .shift = wshift, \
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.invert = winvert, .kcontrols = wcontrols, .num_kcontrols = 1, \
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.event = wevent, .event_flags = wflags}
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#define SND_SOC_DAPM_MUX_E(wname, wreg, wshift, winvert, wcontrols, \
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wevent, wflags) \
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{ .id = snd_soc_dapm_mux, .name = wname, .reg = wreg, .shift = wshift, \
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.invert = winvert, .kcontrols = wcontrols, .num_kcontrols = 1, \
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.event = wevent, .event_flags = wflags}
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/* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */
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#define SOC_PGA_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \
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wevent, wflags) \
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{ .id = snd_soc_dapm_pga, .name = wname, .reg = wreg, .shift = wshift, \
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.invert = winvert, .kcontrols = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \
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.event = wevent, .event_flags = wflags}
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#define SOC_MIXER_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \
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wevent, wflags) \
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{ .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \
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.invert = winvert, .kcontrols = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \
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.event = wevent, .event_flags = wflags}
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#define SOC_MIXER_NAMED_CTL_E_ARRAY(wname, wreg, wshift, winvert, \
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wcontrols, wevent, wflags) \
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{ .id = snd_soc_dapm_mixer, .name = wname, .reg = wreg, .shift = wshift, \
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.invert = winvert, .kcontrols = wcontrols, \
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.num_kcontrols = ARRAY_SIZE(wcontrols), .event = wevent, .event_flags = wflags}
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/* events that are pre and post DAPM */
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#define SND_SOC_DAPM_PRE(wname, wevent) \
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{ .id = snd_soc_dapm_pre, .name = wname, .kcontrols = NULL, \
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.num_kcontrols = 0, .event = wevent, \
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.event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD}
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#define SND_SOC_DAPM_POST(wname, wevent) \
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{ .id = snd_soc_dapm_post, .name = wname, .kcontrols = NULL, \
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.num_kcontrols = 0, .event = wevent, \
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.event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD}
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/* stream domain */
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#define SND_SOC_DAPM_AIF_IN(wname, stname, wslot, wreg, wshift, winvert) \
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{ .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \
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.reg = wreg, .shift = wshift, .invert = winvert }
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#define SND_SOC_DAPM_AIF_OUT(wname, stname, wslot, wreg, wshift, winvert) \
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{ .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \
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.reg = wreg, .shift = wshift, .invert = winvert }
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#define SND_SOC_DAPM_DAC(wname, stname, wreg, wshift, winvert) \
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{ .id = snd_soc_dapm_dac, .name = wname, .sname = stname, .reg = wreg, \
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.shift = wshift, .invert = winvert}
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#define SND_SOC_DAPM_DAC_E(wname, stname, wreg, wshift, winvert, \
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wevent, wflags) \
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{ .id = snd_soc_dapm_dac, .name = wname, .sname = stname, .reg = wreg, \
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.shift = wshift, .invert = winvert, \
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.event = wevent, .event_flags = wflags}
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#define SND_SOC_DAPM_ADC(wname, stname, wreg, wshift, winvert) \
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{ .id = snd_soc_dapm_adc, .name = wname, .sname = stname, .reg = wreg, \
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.shift = wshift, .invert = winvert}
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#define SND_SOC_DAPM_ADC_E(wname, stname, wreg, wshift, winvert, \
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wevent, wflags) \
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{ .id = snd_soc_dapm_adc, .name = wname, .sname = stname, .reg = wreg, \
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.shift = wshift, .invert = winvert, \
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.event = wevent, .event_flags = wflags}
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/* generic widgets */
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#define SND_SOC_DAPM_REG(wid, wname, wreg, wshift, wmask, won_val, woff_val) \
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{ .id = wid, .name = wname, .kcontrols = NULL, .num_kcontrols = 0, \
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.reg = -((wreg) + 1), .shift = wshift, .mask = wmask, \
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.on_val = won_val, .off_val = woff_val, .event = dapm_reg_event, \
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.event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD}
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#define SND_SOC_DAPM_SUPPLY(wname, wreg, wshift, winvert, wevent, wflags) \
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{ .id = snd_soc_dapm_supply, .name = wname, .reg = wreg, \
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.shift = wshift, .invert = winvert, .event = wevent, \
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.event_flags = wflags}
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/* dapm kcontrol types */
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#define SOC_DAPM_SINGLE(xname, reg, shift, max, invert) \
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
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.info = snd_soc_info_volsw, \
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.get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \
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.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
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#define SOC_DAPM_DOUBLE(xname, reg, shift_left, shift_right, max, invert, \
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power) \
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
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.info = snd_soc_info_volsw, \
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.get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \
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.private_value = (reg) | ((shift_left) << 8) | ((shift_right) << 12) |\
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((max) << 16) | ((invert) << 24) }
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#define SOC_DAPM_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
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.info = snd_soc_info_volsw, \
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.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,\
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.tlv.p = (tlv_array), \
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.get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \
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.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
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#define SOC_DAPM_DOUBLE_TLV(xname, reg, shift_left, shift_right, max, invert, \
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power, tlv_array) \
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
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.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,\
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.tlv.p = (tlv_array), \
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.info = snd_soc_info_volsw, \
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.get = snd_soc_dapm_get_volsw, .put = snd_soc_dapm_put_volsw, \
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.private_value = (reg) | ((shift_left) << 8) | ((shift_right) << 12) |\
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((max) << 16) | ((invert) << 24) }
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#define SOC_DAPM_ENUM(xname, xenum) \
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
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.info = snd_soc_info_enum_double, \
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.get = snd_soc_dapm_get_enum_double, \
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.put = snd_soc_dapm_put_enum_double, \
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.private_value = (unsigned long)&xenum }
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#define SOC_DAPM_ENUM_VIRT(xname, xenum) \
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
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.info = snd_soc_info_enum_double, \
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.get = snd_soc_dapm_get_enum_virt, \
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.put = snd_soc_dapm_put_enum_virt, \
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.private_value = (unsigned long)&xenum }
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#define SOC_DAPM_VALUE_ENUM(xname, xenum) \
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
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.info = snd_soc_info_enum_double, \
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.get = snd_soc_dapm_get_value_enum_double, \
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.put = snd_soc_dapm_put_value_enum_double, \
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.private_value = (unsigned long)&xenum }
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#define SOC_DAPM_PIN_SWITCH(xname) \
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname " Switch", \
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.info = snd_soc_dapm_info_pin_switch, \
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.get = snd_soc_dapm_get_pin_switch, \
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.put = snd_soc_dapm_put_pin_switch, \
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.private_value = (unsigned long)xname }
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/* dapm stream operations */
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#define SND_SOC_DAPM_STREAM_NOP 0x0
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#define SND_SOC_DAPM_STREAM_START 0x1
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#define SND_SOC_DAPM_STREAM_STOP 0x2
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#define SND_SOC_DAPM_STREAM_SUSPEND 0x4
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#define SND_SOC_DAPM_STREAM_RESUME 0x8
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#define SND_SOC_DAPM_STREAM_PAUSE_PUSH 0x10
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#define SND_SOC_DAPM_STREAM_PAUSE_RELEASE 0x20
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/* dapm event types */
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#define SND_SOC_DAPM_PRE_PMU 0x1 /* before widget power up */
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#define SND_SOC_DAPM_POST_PMU 0x2 /* after widget power up */
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#define SND_SOC_DAPM_PRE_PMD 0x4 /* before widget power down */
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#define SND_SOC_DAPM_POST_PMD 0x8 /* after widget power down */
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#define SND_SOC_DAPM_PRE_REG 0x10 /* before audio path setup */
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#define SND_SOC_DAPM_POST_REG 0x20 /* after audio path setup */
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#define SND_SOC_DAPM_PRE_POST_PMD \
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(SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD)
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/* convenience event type detection */
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#define SND_SOC_DAPM_EVENT_ON(e) \
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(e & (SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU))
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#define SND_SOC_DAPM_EVENT_OFF(e) \
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(e & (SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD))
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struct snd_soc_dapm_widget;
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enum snd_soc_dapm_type;
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struct snd_soc_dapm_path;
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struct snd_soc_dapm_pin;
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struct snd_soc_dapm_route;
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int dapm_reg_event(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *kcontrol, int event);
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/* dapm controls */
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int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol);
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int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol);
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int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol);
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int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol);
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int snd_soc_dapm_get_enum_virt(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol);
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int snd_soc_dapm_put_enum_virt(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol);
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int snd_soc_dapm_get_value_enum_double(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol);
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int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol);
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int snd_soc_dapm_info_pin_switch(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo);
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int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *uncontrol);
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int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *uncontrol);
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int snd_soc_dapm_new_control(struct snd_soc_codec *codec,
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const struct snd_soc_dapm_widget *widget);
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int snd_soc_dapm_new_controls(struct snd_soc_codec *codec,
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const struct snd_soc_dapm_widget *widget,
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int num);
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/* dapm path setup */
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int snd_soc_dapm_new_widgets(struct snd_soc_codec *codec);
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void snd_soc_dapm_free(struct snd_soc_codec *codec);
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int snd_soc_dapm_add_routes(struct snd_soc_codec *codec,
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const struct snd_soc_dapm_route *route, int num);
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/* dapm events */
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int snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd,
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const char *stream, int event);
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void snd_soc_dapm_shutdown(struct snd_soc_card *card);
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/* dapm sys fs - used by the core */
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int snd_soc_dapm_sys_add(struct device *dev);
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void snd_soc_dapm_debugfs_init(struct snd_soc_codec *codec);
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/* dapm audio pin control and status */
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int snd_soc_dapm_enable_pin(struct snd_soc_codec *codec, const char *pin);
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int snd_soc_dapm_disable_pin(struct snd_soc_codec *codec, const char *pin);
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int snd_soc_dapm_nc_pin(struct snd_soc_codec *codec, const char *pin);
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int snd_soc_dapm_get_pin_status(struct snd_soc_codec *codec, const char *pin);
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int snd_soc_dapm_sync(struct snd_soc_codec *codec);
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int snd_soc_dapm_force_enable_pin(struct snd_soc_codec *codec,
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const char *pin);
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int snd_soc_dapm_ignore_suspend(struct snd_soc_codec *codec, const char *pin);
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/* dapm widget types */
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enum snd_soc_dapm_type {
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snd_soc_dapm_input = 0, /* input pin */
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snd_soc_dapm_output, /* output pin */
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snd_soc_dapm_mux, /* selects 1 analog signal from many inputs */
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snd_soc_dapm_value_mux, /* selects 1 analog signal from many inputs */
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snd_soc_dapm_mixer, /* mixes several analog signals together */
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snd_soc_dapm_mixer_named_ctl, /* mixer with named controls */
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snd_soc_dapm_pga, /* programmable gain/attenuation (volume) */
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snd_soc_dapm_adc, /* analog to digital converter */
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snd_soc_dapm_dac, /* digital to analog converter */
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snd_soc_dapm_micbias, /* microphone bias (power) */
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snd_soc_dapm_mic, /* microphone */
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snd_soc_dapm_hp, /* headphones */
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snd_soc_dapm_spk, /* speaker */
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snd_soc_dapm_line, /* line input/output */
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snd_soc_dapm_switch, /* analog switch */
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snd_soc_dapm_vmid, /* codec bias/vmid - to minimise pops */
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snd_soc_dapm_pre, /* machine specific pre widget - exec first */
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snd_soc_dapm_post, /* machine specific post widget - exec last */
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snd_soc_dapm_supply, /* power/clock supply */
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snd_soc_dapm_aif_in, /* audio interface input */
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snd_soc_dapm_aif_out, /* audio interface output */
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};
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/*
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* DAPM audio route definition.
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*
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* Defines an audio route originating at source via control and finishing
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* at sink.
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*/
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struct snd_soc_dapm_route {
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const char *sink;
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const char *control;
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const char *source;
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/* Note: currently only supported for links where source is a supply */
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int (*connected)(struct snd_soc_dapm_widget *source,
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struct snd_soc_dapm_widget *sink);
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};
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/* dapm audio path between two widgets */
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struct snd_soc_dapm_path {
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char *name;
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char *long_name;
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/* source (input) and sink (output) widgets */
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struct snd_soc_dapm_widget *source;
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struct snd_soc_dapm_widget *sink;
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struct snd_kcontrol *kcontrol;
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/* status */
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u32 connect:1; /* source and sink widgets are connected */
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u32 walked:1; /* path has been walked */
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int (*connected)(struct snd_soc_dapm_widget *source,
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struct snd_soc_dapm_widget *sink);
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struct list_head list_source;
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struct list_head list_sink;
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struct list_head list;
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};
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/* dapm widget */
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struct snd_soc_dapm_widget {
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enum snd_soc_dapm_type id;
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char *name; /* widget name */
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char *sname; /* stream name */
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struct snd_soc_codec *codec;
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struct list_head list;
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/* dapm control */
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short reg; /* negative reg = no direct dapm */
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unsigned char shift; /* bits to shift */
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unsigned int saved_value; /* widget saved value */
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unsigned int value; /* widget current value */
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unsigned int mask; /* non-shifted mask */
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unsigned int on_val; /* on state value */
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unsigned int off_val; /* off state value */
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unsigned char power:1; /* block power status */
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unsigned char invert:1; /* invert the power bit */
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unsigned char active:1; /* active stream on DAC, ADC's */
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unsigned char connected:1; /* connected codec pin */
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unsigned char new:1; /* cnew complete */
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unsigned char ext:1; /* has external widgets */
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unsigned char force:1; /* force state */
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unsigned char ignore_suspend:1; /* kept enabled over suspend */
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int (*power_check)(struct snd_soc_dapm_widget *w);
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/* external events */
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unsigned short event_flags; /* flags to specify event types */
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int (*event)(struct snd_soc_dapm_widget*, struct snd_kcontrol *, int);
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/* kcontrols that relate to this widget */
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int num_kcontrols;
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const struct snd_kcontrol_new *kcontrols;
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/* widget input and outputs */
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struct list_head sources;
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struct list_head sinks;
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/* used during DAPM updates */
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struct list_head power_list;
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};
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#endif
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