diff options
Diffstat (limited to 'sound/pci/hda/patch_hdmi.c')
| -rw-r--r-- | sound/pci/hda/patch_hdmi.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 8804c05..f29b97b 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -1193,11 +1193,53 @@ static int nvhdmi_7x_init(struct hda_codec *codec) return 0; } +static unsigned int channels_2_6_8[] = { + 2, 6, 8 +}; + +static unsigned int channels_2_8[] = { + 2, 8 +}; + +static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = { + .count = ARRAY_SIZE(channels_2_6_8), + .list = channels_2_6_8, + .mask = 0, +}; + +static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = { + .count = ARRAY_SIZE(channels_2_8), + .list = channels_2_8, + .mask = 0, +}; + static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo, struct hda_codec *codec, struct snd_pcm_substream *substream) { struct hdmi_spec *spec = codec->spec; + struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL; + + switch (codec->preset->id) { + case 0x10de0002: + case 0x10de0003: + case 0x10de0005: + case 0x10de0006: + hw_constraints_channels = &hw_constraints_2_8_channels; + break; + case 0x10de0007: + hw_constraints_channels = &hw_constraints_2_6_8_channels; + break; + default: + break; + } + + if (hw_constraints_channels != NULL) { + snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_CHANNELS, + hw_constraints_channels); + } + return snd_hda_multi_out_dig_open(codec, &spec->multiout); } |