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ALSA: ice1724: increase SPDIF and independent stereo buffer sizes

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Increase the default and maximum PCM buffer prellocation size for ice1724's
SPDIF and independent stereo pair outputs to 256K, which is the hardware's
maximum supported size. This allows a reduction in interrupt rate and
potentially power usage when an application is not latency-critical.

Signed-off-by: Robert Hancock <hancockrwd@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Robert Hancock 2009-10-07 20:19:21 -06:00 committed by Takashi Iwai
parent 8dce39b895
commit 1d4efa6650
1 changed files with 2 additions and 2 deletions
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4
sound/pci/ice1712/ice1724.c
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@ -1294,7 +1294,7 @@ static int __devinit snd_vt1724_pcm_spdif(struct snd_ice1712 *ice, int device)
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
snd_dma_pci_data(ice->pci),
64*1024, 64*1024);
256*1024, 256*1024);
ice->pcm = pcm;
@ -1408,7 +1408,7 @@ static int __devinit snd_vt1724_pcm_indep(struct snd_ice1712 *ice, int device)
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
snd_dma_pci_data(ice->pci),
64*1024, 64*1024);
256*1024, 256*1024);
ice->pcm_ds = pcm;