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, 4 insertions, 0 deletions

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index bc71be32232e..89737ae49152 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2260,6 +2260,10 @@ static int alc_build_pcms(struct hda_codec *codec)
                 info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = spec->multiout.dac_nids[0];
                 info->stream[SNDRV_PCM_STREAM_PLAYBACK].channels_max =
                         spec->multiout.max_channels;
+                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;
         }
         if (spec->adc_nids) {
                 p = spec->stream_analog_capture;