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ASoC: Intel: Add jack detection for Broadwell

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Add jack dectection and event reporting for Broadwell. It use combo
jack on BDW platform, which including Mic Jack pin and Headphone
jack pin.

Signed-off-by: Jie Yang <yang.jie@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jie Yang 2014-10-30 21:16:23 +08:00 committed by Mark Brown
parent 7fb73c74ff
commit c1e99c913b
1 changed files with 46 additions and 3 deletions
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49
sound/soc/intel/broadwell.c
View file

@ -19,6 +19,7 @@
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/jack.h>
#include <sound/pcm_params.h>
#include "sst-dsp.h"
@ -26,8 +27,26 @@
#include "../codecs/rt286.h"
static struct snd_soc_jack broadwell_headset;
/* Headset jack detection DAPM pins */
static struct snd_soc_jack_pin broadwell_headset_pins[] = {
{
.pin = "Mic Jack",
.mask = SND_JACK_MICROPHONE,
},
{
.pin = "Headphone Jack",
.mask = SND_JACK_HEADPHONE,
},
};
static const struct snd_kcontrol_new broadwell_controls[] = {
SOC_DAPM_PIN_SWITCH("Speaker"),
SOC_DAPM_PIN_SWITCH("Headphone Jack"),
};
static const struct snd_soc_dapm_widget broadwell_widgets[] = {
SND_SOC_DAPM_HP("Headphones", NULL),
SND_SOC_DAPM_HP("Headphone Jack", NULL),
SND_SOC_DAPM_SPK("Speaker", NULL),
SND_SOC_DAPM_MIC("Mic Jack", NULL),
SND_SOC_DAPM_MIC("DMIC1", NULL),
@ -42,7 +61,7 @@ static const struct snd_soc_dapm_route broadwell_rt286_map[] = {
{"Speaker", NULL, "SPOL"},
/* HP jack connectors - unknown if we have jack deteck */
{"Headphones", NULL, "HPO Pin"},
{"Headphone Jack", NULL, "HPO Pin"},
/* other jacks */
{"MIC1", NULL, "Mic Jack"},
@ -57,6 +76,27 @@ static const struct snd_soc_dapm_route broadwell_rt286_map[] = {
{"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
};
static int broadwell_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_codec *codec = rtd->codec;
int ret = 0;
ret = snd_soc_jack_new(codec, "Headset",
SND_JACK_HEADSET | SND_JACK_BTN_0, &broadwell_headset);
if (ret)
return ret;
ret = snd_soc_jack_add_pins(&broadwell_headset,
ARRAY_SIZE(broadwell_headset_pins),
broadwell_headset_pins);
if (ret)
return ret;
rt286_mic_detect(codec, &broadwell_headset);
return 0;
}
static int broadwell_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params)
{
@ -116,7 +156,7 @@ static int broadwell_rtd_init(struct snd_soc_pcm_runtime *rtd)
}
/* always connected - check HP for jack detect */
snd_soc_dapm_enable_pin(dapm, "Headphones");
snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
snd_soc_dapm_enable_pin(dapm, "Speaker");
snd_soc_dapm_enable_pin(dapm, "Mic Jack");
snd_soc_dapm_enable_pin(dapm, "Line Jack");
@ -196,6 +236,7 @@ static struct snd_soc_dai_link broadwell_rt286_dais[] = {
.no_pcm = 1,
.codec_name = "i2c-INT343A:00",
.codec_dai_name = "rt286-aif1",
.init = broadwell_rt286_codec_init,
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
.ignore_suspend = 1,
@ -213,6 +254,8 @@ static struct snd_soc_card broadwell_rt286 = {
.owner = THIS_MODULE,
.dai_link = broadwell_rt286_dais,
.num_links = ARRAY_SIZE(broadwell_rt286_dais),
.controls = broadwell_controls,
.num_controls = ARRAY_SIZE(broadwell_controls),
.dapm_widgets = broadwell_widgets,
.num_dapm_widgets = ARRAY_SIZE(broadwell_widgets),
.dapm_routes = broadwell_rt286_map,