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_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index f799406f4404..a6aeb6260719 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -2516,6 +2516,11 @@ static int stac92xx_build_pcms(struct hda_codec *codec)
         info->stream[SNDRV_PCM_STREAM_PLAYBACK] = stac92xx_pcm_analog_playback;
         info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid =
                 spec->multiout.dac_nids[0];
+        if (spec->autocfg.line_out_type == AUTO_PIN_SPEAKER_OUT &&
+            spec->autocfg.line_outs == 2)
+                info->stream[SNDRV_PCM_STREAM_PLAYBACK].chmap =
+                        snd_pcm_2_1_chmaps;
+
         info->stream[SNDRV_PCM_STREAM_CAPTURE] = stac92xx_pcm_analog_capture;
         info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->adc_nids[0];
         info->stream[SNDRV_PCM_STREAM_CAPTURE].substreams = spec->num_adcs;