diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-18 08:05:50 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-18 08:05:50 -0800 |
| commit | b7c15e4a1cbf19be3d3063819b472806902fb525 (patch) | |
| tree | 802103cb642b9e7fb76677de544289a754cf4c57 /sound/pci/au88x0/au88x0_pcm.c | |
| parent | 6a7f6ec9512970874fa9fc883ea44d77d0f287c2 (diff) | |
| parent | 27de094f54a4d96bae2cd3121eb157bb8a34f729 (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ALSA: hda - Fix initialization for HP 2011 notebooks
ALSA: hda - Add support for VMware controller
ALSA: hda - consitify string arrays
ALSA: hda - Add add multi-streaming playback for AD1988
ASoC: EP93xx: fixed LRCLK rate and DMA oper. in I2S code
ASoC: WM8990: msleep() takes milliseconds not jiffies
ALSA : au88x0 - Limit number of channels to fix Oops via OSS emu
ALSA: constify functions in ac97
ASoC: WL1273 FM radio: Fix breakage with MFD API changes
ALSA: hda - More coverage for odd-number channels elimination for HDMI
ALSA: hda - Store PCM parameters properly in HDMI open callback
ALSA: hda - Rearrange fixup struct in patch_realtek.c
ALSA: oxygen: Xonar DG: fix CS4245 register writes
ALSA: hda - Suppress the odd number of channels for HDMI
ALSA: hda - Add fixup-call in init callback
ALSA: hda - Reorganize fixup structure for Realtek
ALSA: hda - Apply Sony VAIO hweq fixup only once
ALSA: hda - Apply mario fixup only once
ALSA: hda - Remove unused fixup entry for ALC262
Diffstat (limited to 'sound/pci/au88x0/au88x0_pcm.c')
| -rw-r--r-- | sound/pci/au88x0/au88x0_pcm.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/sound/pci/au88x0/au88x0_pcm.c b/sound/pci/au88x0/au88x0_pcm.c index b9d2f202cf9..5439d662d10 100644 --- a/sound/pci/au88x0/au88x0_pcm.c +++ b/sound/pci/au88x0/au88x0_pcm.c @@ -42,11 +42,7 @@ static struct snd_pcm_hardware snd_vortex_playback_hw_adb = { .rate_min = 5000, .rate_max = 48000, .channels_min = 1, -#ifdef CHIP_AU8830 - .channels_max = 4, -#else .channels_max = 2, -#endif .buffer_bytes_max = 0x10000, .period_bytes_min = 0x1, .period_bytes_max = 0x1000, @@ -115,6 +111,17 @@ static struct snd_pcm_hardware snd_vortex_playback_hw_wt = { .periods_max = 64, }; #endif +#ifdef CHIP_AU8830 +static unsigned int au8830_channels[3] = { + 1, 2, 4, +}; + +static struct snd_pcm_hw_constraint_list hw_constraints_au8830_channels = { + .count = ARRAY_SIZE(au8830_channels), + .list = au8830_channels, + .mask = 0, +}; +#endif /* open callback */ static int snd_vortex_pcm_open(struct snd_pcm_substream *substream) { @@ -156,6 +163,15 @@ static int snd_vortex_pcm_open(struct snd_pcm_substream *substream) if (VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB || VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_I2S) runtime->hw = snd_vortex_playback_hw_adb; +#ifdef CHIP_AU8830 + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && + VORTEX_PCM_TYPE(substream->pcm) == VORTEX_PCM_ADB) { + runtime->hw.channels_max = 4; + snd_pcm_hw_constraint_list(runtime, 0, + SNDRV_PCM_HW_PARAM_CHANNELS, + &hw_constraints_au8830_channels); + } +#endif substream->runtime->private_data = NULL; } #ifndef CHIP_AU8810 |