ALSA: hda - Give standard "Bass Speaker" mixer for 2.1 speakers
When two built-in speakers are found on the machine, we can suppose
it's rather a 2.1 speaker system with a bass output instead of
front/surround channels.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 252d419..f8e9ff4 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -472,7 +472,7 @@
#endif
static const char * const slave_pfxs[] = {
- "Headphone", "Speaker", "Front", "Surround", "CLFE",
+ "Headphone", "Speaker", "Bass Speaker", "Front", "Surround", "CLFE",
NULL
};
@@ -4116,11 +4116,26 @@
return 0;
}
+static bool is_2_1_speaker(struct conexant_spec *spec)
+{
+ int i, type, num_spk = 0;
+
+ for (i = 0; i < spec->dac_info_filled; i++) {
+ type = spec->dac_info[i].type;
+ if (type == AUTO_PIN_LINE_OUT)
+ type = spec->autocfg.line_out_type;
+ if (type == AUTO_PIN_SPEAKER_OUT)
+ num_spk++;
+ }
+ return (num_spk == 2 && spec->autocfg.line_out_type != AUTO_PIN_LINE_OUT);
+}
+
static int cx_auto_build_output_controls(struct hda_codec *codec)
{
struct conexant_spec *spec = codec->spec;
int i, err;
int num_line = 0, num_hp = 0, num_spk = 0;
+ bool speaker_2_1;
static const char * const texts[3] = { "Front", "Surround", "CLFE" };
if (spec->dac_info_filled == 1)
@@ -4128,6 +4143,8 @@
spec->dac_info[0].pin,
"Master", 0);
+ speaker_2_1 = is_2_1_speaker(spec);
+
for (i = 0; i < spec->dac_info_filled; i++) {
const char *label;
int idx, type;
@@ -4146,8 +4163,13 @@
idx = num_hp++;
break;
case AUTO_PIN_SPEAKER_OUT:
- label = "Speaker";
- idx = num_spk++;
+ if (speaker_2_1) {
+ label = num_spk++ ? "Bass Speaker" : "Speaker";
+ idx = 0;
+ } else {
+ label = "Speaker";
+ idx = num_spk++;
+ }
break;
}
err = try_add_pb_volume(codec, dac,