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author | Takashi Iwai <tiwai@suse.de> | 2008-12-19 10:09:47 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2008-12-19 15:09:38 +0100 |
commit | 766245348db4b047a9b53548b5b893cd5115decc (patch) | |
tree | 17b72e54c6667f6a5b79e169ae961aaed885f70b | |
parent | c21ca4a872697aeda4fe91bf9b6cc8380c62827c (diff) | |
download | linux-stable-766245348db4b047a9b53548b5b893cd5115decc.tar.gz linux-stable-766245348db4b047a9b53548b5b893cd5115decc.tar.bz2 linux-stable-766245348db4b047a9b53548b5b893cd5115decc.zip |
ALSA: hda - Use more distinct name for a unique volume in STAC/IDT
When the line_out has only one DAC and it's unique (i.e. not shared
by other outputs), assign a more reasonable and distinct mixer name
such as "Headphone" or "Speaker".
Signed-off-by: Takashi Iwai <tiwai@suse.de>
-rw-r--r-- | sound/pci/hda/patch_sigmatel.c | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 171400216326..6b7eeba656ed 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -2949,17 +2949,30 @@ static int add_spec_extra_dacs(struct sigmatel_spec *spec, hda_nid_t nid) return 1; } +static int is_unique_dac(struct sigmatel_spec *spec, hda_nid_t nid) +{ + int i; + + if (spec->autocfg.line_outs != 1) + return 0; + if (spec->multiout.hp_nid == nid) + return 0; + for (i = 0; i < ARRAY_SIZE(spec->multiout.extra_out_nid); i++) + if (spec->multiout.extra_out_nid[i] == nid) + return 0; + return 1; +} + /* add playback controls from the parsed DAC table */ static int stac92xx_auto_create_multi_out_ctls(struct hda_codec *codec, const struct auto_pin_cfg *cfg) { + struct sigmatel_spec *spec = codec->spec; static const char *chname[4] = { "Front", "Surround", NULL /*CLFE*/, "Side" }; hda_nid_t nid = 0; - int i, err; - - struct sigmatel_spec *spec = codec->spec; + int i, err, num_dacs; unsigned int wid_caps, pincap; for (i = 0; i < cfg->line_outs && spec->multiout.dac_nids[i]; i++) { @@ -2985,7 +2998,19 @@ static int stac92xx_auto_create_multi_out_ctls(struct hda_codec *codec, } } else { - err = create_controls(spec, chname[i], nid, 3); + const char *name = chname[i]; + /* if it's a single DAC, assign a better name */ + if (!i && is_unique_dac(spec, nid)) { + switch (cfg->line_out_type) { + case AUTO_PIN_HP_OUT: + name = "Headphone"; + break; + case AUTO_PIN_SPEAKER_OUT: + name = "Speaker"; + break; + } + } + err = create_controls(spec, name, nid, 3); if (err < 0) return err; } |