ALSA: hda - Apply a proper chmap for built-in 2.1 speakers

When 2.1 speakers are detected, use the corresponding channel map
instead of the standard map with front+rear surrounds.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 5 insertions, 0 deletions

diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index f8e9ff493dc7..3401a087de80 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -337,6 +337,8 @@ static const struct hda_pcm_stream cx5051_pcm_analog_capture = {
         },
 };
 
+static bool is_2_1_speaker(struct conexant_spec *spec);
+
 static int conexant_build_pcms(struct hda_codec *codec)
 {
         struct conexant_spec *spec = codec->spec;
@@ -351,6 +353,9 @@ static int conexant_build_pcms(struct hda_codec *codec)
                 spec->multiout.max_channels;
         info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid =
                 spec->multiout.dac_nids[0];
+        if (is_2_1_speaker(spec))
+                info->stream[SNDRV_PCM_STREAM_PLAYBACK].chmap =
+                        snd_pcm_2_1_chmaps;
         if (spec->capture_stream)
                 info->stream[SNDRV_PCM_STREAM_CAPTURE] = *spec->capture_stream;
         else {