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[ALSA] hda-codec - Fix GPIO in resume 

Reinitialize GPIO in resume callback if necessary.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Takashi Iwai 2007-07-31 15:56:24 +02:00 committed by Jaroslav Kysela
parent d71a5c50ca
commit 8259980ebc
1 changed files with 18 additions and 12 deletions
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30
sound/pci/hda/patch_sigmatel.c
View File

@ -95,6 +95,8 @@ struct sigmatel_spec {
unsigned int hp_detect: 1;
unsigned int gpio_mute: 1;
unsigned int gpio_mask, gpio_data;
/* playback */
struct hda_multi_out multiout;
hda_nid_t dac_nids[5];
@ -854,20 +856,20 @@ static void stac92xx_set_config_regs(struct hda_codec *codec)
spec->pin_configs[i]);
}
static void stac92xx_enable_gpio_mask(struct hda_codec *codec,
int gpio_mask, int gpio_data)
static void stac92xx_enable_gpio_mask(struct hda_codec *codec)
{
struct sigmatel_spec *spec = codec->spec;
/* Configure GPIOx as output */
snd_hda_codec_write(codec, codec->afg, 0,
AC_VERB_SET_GPIO_DIRECTION, gpio_mask);
AC_VERB_SET_GPIO_DIRECTION, spec->gpio_mask);
/* Configure GPIOx as CMOS */
snd_hda_codec_write(codec, codec->afg, 0, 0x7e7, 0x00000000);
/* Assert GPIOx */
snd_hda_codec_write(codec, codec->afg, 0,
AC_VERB_SET_GPIO_DATA, gpio_data);
AC_VERB_SET_GPIO_DATA, spec->gpio_data);
/* Enable GPIOx */
snd_hda_codec_write(codec, codec->afg, 0,
AC_VERB_SET_GPIO_MASK, gpio_mask);
AC_VERB_SET_GPIO_MASK, spec->gpio_mask);
}
/*
@ -1935,8 +1937,10 @@ static int stac92xx_resume(struct hda_codec *codec)
struct sigmatel_spec *spec = codec->spec;
int i;
stac92xx_init(codec);
stac92xx_set_config_regs(codec);
if (spec->gpio_mask && spec->gpio_data)
stac92xx_enable_gpio_mask(codec);
stac92xx_init(codec);
snd_hda_resume_ctls(codec, spec->mixer);
for (i = 0; i < spec->num_mixers; i++)
snd_hda_resume_ctls(codec, spec->mixers[i]);
@ -2240,7 +2244,8 @@ static int patch_stac927x(struct hda_codec *codec)
spec->multiout.dac_nids = spec->dac_nids;
/* GPIO0 High = Enable EAPD */
stac92xx_enable_gpio_mask(codec, 0x00000001, 0x00000001);
spec->gpio_mask = spec->gpio_data = 0x00000001;
stac92xx_enable_gpio_mask(codec);
err = stac92xx_parse_auto_config(codec, 0x1e, 0x20);
if (!err) {
@ -2265,7 +2270,7 @@ static int patch_stac927x(struct hda_codec *codec)
static int patch_stac9205(struct hda_codec *codec)
{
struct sigmatel_spec *spec;
int err, gpio_mask, gpio_data;
int err;
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
if (spec == NULL)
@ -2308,15 +2313,16 @@ static int patch_stac9205(struct hda_codec *codec)
stac92xx_set_config_reg(codec, 0x1f, 0x01441030);
stac92xx_set_config_reg(codec, 0x20, 0x1c410030);
gpio_mask = 0x00000007; /* GPIO0-2 */
spec->gpio_mask = 0x00000007; /* GPIO0-2 */
/* GPIO0 High = EAPD, GPIO1 Low = DRM,
* GPIO2 High = Headphone Mute
*/
gpio_data = 0x00000005;
spec->gpio_data = 0x00000005;
} else
gpio_mask = gpio_data = 0x00000001; /* GPIO0 High = EAPD */
spec->gpio_mask = spec->gpio_data =
0x00000001; /* GPIO0 High = EAPD */
stac92xx_enable_gpio_mask(codec, gpio_mask, gpio_data);
stac92xx_enable_gpio_mask(codec);
err = stac92xx_parse_auto_config(codec, 0x1f, 0x20);
if (!err) {
if (spec->board_config < 0) {