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[ALSA] Increase capture buffer sizes.

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EMU10K1/EMU10K2 driver


Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
This commit is contained in:
James Courtier-Dutton 2005-05-07 16:13:40 +02:00 committed by Jaroslav Kysela
parent f927c8fc64
commit 22bc30c84b
1 changed files with 6 additions and 4 deletions
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10
sound/pci/emu10k1/p16v.c
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@ -1,7 +1,7 @@
/* /*
* Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk> * Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk>
* Driver p16v chips * Driver p16v chips
* Version: 0.22 * Version: 0.25
* *
* FEATURES currently supported: * FEATURES currently supported:
* Output fixed at S32_LE, 2 channel to hw:0,0 * Output fixed at S32_LE, 2 channel to hw:0,0
@ -48,6 +48,8 @@
* e.g. When HD Capture source is set to SPDIF, * e.g. When HD Capture source is set to SPDIF,
* setting HD Capture channel to 0 captures from CDROM digital input. * setting HD Capture channel to 0 captures from CDROM digital input.
* setting HD Capture channel to 1 captures from SPDIF in. * setting HD Capture channel to 1 captures from SPDIF in.
* 0.25
* Include capture buffer sizes.
* *
* BUGS: * BUGS:
* Some stability problems when unloading the snd-p16v kernel module. * Some stability problems when unloading the snd-p16v kernel module.
@ -149,9 +151,9 @@ static snd_pcm_hardware_t snd_p16v_capture_hw = {
.rate_max = 192000, .rate_max = 192000,
.channels_min = 2, .channels_min = 2,
.channels_max = 2, .channels_max = 2,
.buffer_bytes_max = (32*1024), .buffer_bytes_max = (65536 - 64),
.period_bytes_min = 64, .period_bytes_min = 64,
.period_bytes_max = (16*1024), .period_bytes_max = (65536 - 128) >> 1, /* size has to be N*64 bytes */
.periods_min = 2, .periods_min = 2,
.periods_max = 2, .periods_max = 2,
.fifo_size = 0, .fifo_size = 0,
@ -637,7 +639,7 @@ int snd_p16v_pcm(emu10k1_t *emu, int device, snd_pcm_t **rpcm)
if ((err = snd_pcm_lib_preallocate_pages(substream, if ((err = snd_pcm_lib_preallocate_pages(substream,
SNDRV_DMA_TYPE_DEV, SNDRV_DMA_TYPE_DEV,
snd_dma_pci_data(emu->pci), snd_dma_pci_data(emu->pci),
64*1024, 64*1024)) < 0) 65536 - 64, 65536 - 64)) < 0)
return err; return err;
//snd_printk("preallocate capture substream: err=%d\n", err); //snd_printk("preallocate capture substream: err=%d\n", err);
} }