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| author | Matthew Ranostay <mranostay@embeddedalley.com> | 2007-06-19 16:48:28 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2007-07-20 11:11:30 +0200 |
| commit | 92a22beb756c53985e8ba98d39f2c8fc834557a4 (patch) | |
| tree | c64ea7e47eb0c691e2ea25616f13dcdd3967ef44 /sound | |
| parent | 76c08828709129bdce6c6a325e0342ba73f2618f (diff) | |
| download | op-kernel-dev-92a22beb756c53985e8ba98d39f2c8fc834557a4.zip op-kernel-dev-92a22beb756c53985e8ba98d39f2c8fc834557a4.tar.gz | |
[ALSA] hda: add eapd support to additional idt codecs
Added support for EAPD on the 927x, and 9227-8 IDT HDA codecs.
Enabling EAPD powers the internal speaker amp otherwise there is no
sound on systems with an internal amp.
Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/hda/patch_sigmatel.c | 31 |
1 files changed, 18 insertions, 13 deletions
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 36423ca..270539a 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -844,6 +844,21 @@ static void stac92xx_set_config_regs(struct hda_codec *codec) } } +static void stac92xx_enable_eapd(struct hda_codec *codec) +{ + /* Configure GPIO0 as output */ + snd_hda_codec_write(codec, codec->afg, 0, + AC_VERB_SET_GPIO_DIRECTION, 0x00000001); + /* Configure GPIO0 as CMOS */ + snd_hda_codec_write(codec, codec->afg, 0, 0x7e7, 0x00000000); + /* Assert GPIO0 high */ + snd_hda_codec_write(codec, codec->afg, 0, + AC_VERB_SET_GPIO_DATA, 0x00000001); + /* Enable GPIO0 */ + snd_hda_codec_write(codec, codec->afg, 0, + AC_VERB_SET_GPIO_MASK, 0x00000001); +} + /* * Analog playback callbacks */ @@ -2205,7 +2220,8 @@ static int patch_stac927x(struct hda_codec *codec) } spec->multiout.dac_nids = spec->dac_nids; - + stac92xx_enable_eapd(codec); + err = stac92xx_parse_auto_config(codec, 0x1e, 0x20); if (!err) { if (spec->board_config < 0) { @@ -2273,18 +2289,7 @@ static int patch_stac9205(struct hda_codec *codec) spec->mixer = stac9205_mixer; spec->multiout.dac_nids = spec->dac_nids; - - /* Configure GPIO0 as EAPD output */ - snd_hda_codec_write(codec, codec->afg, 0, - AC_VERB_SET_GPIO_DIRECTION, 0x00000001); - /* Configure GPIO0 as CMOS */ - snd_hda_codec_write(codec, codec->afg, 0, 0x7e7, 0x00000000); - /* Assert GPIO0 high */ - snd_hda_codec_write(codec, codec->afg, 0, - AC_VERB_SET_GPIO_DATA, 0x00000001); - /* Enable GPIO0 */ - snd_hda_codec_write(codec, codec->afg, 0, - AC_VERB_SET_GPIO_MASK, 0x00000001); + stac92xx_enable_eapd(codec); err = stac92xx_parse_auto_config(codec, 0x1f, 0x20); if (!err) { |
