korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-15 23:14:31 +08:00
Code Issues Packages Projects Releases Wiki Activity

[ALSA] hda-code - Clean up STAC GPIO enablement code

Browse Source 
There are two similar GPIO-enablement codes in patch_sigmatel.c.
Let's clean up.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Takashi Iwai 2008-01-15 11:39:08 +01:00 committed by Jaroslav Kysela
parent bcd7200394
commit 76e1ddfbda
1 changed files with 13 additions and 43 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

56
sound/pci/hda/patch_sigmatel.c
View File

@ -121,7 +121,6 @@ struct sigmatel_spec {
unsigned int mic_switch: 1;
unsigned int alt_switch: 1;
unsigned int hp_detect: 1;
unsigned int gpio_mute: 1;
unsigned int gpio_mask, gpio_data;
unsigned char aloopback_mask;
@ -1681,22 +1680,6 @@ static void stac92xx_set_config_regs(struct hda_codec *codec)
spec->pin_configs[i]);
}
static void stac92xx_enable_gpio_mask(struct hda_codec *codec)
{
struct sigmatel_spec *spec = codec->spec;
/* Configure GPIOx as output */
snd_hda_codec_write_cache(codec, codec->afg, 0,
AC_VERB_SET_GPIO_DIRECTION, spec->gpio_mask);
/* Configure GPIOx as CMOS */
snd_hda_codec_write_cache(codec, codec->afg, 0, 0x7e7, 0x00000000);
/* Assert GPIOx */
snd_hda_codec_write_cache(codec, codec->afg, 0,
AC_VERB_SET_GPIO_DATA, spec->gpio_data);
/* Enable GPIOx */
snd_hda_codec_write_cache(codec, codec->afg, 0,
AC_VERB_SET_GPIO_MASK, spec->gpio_mask);
}
/*
* Analog playback callbacks
*/
@ -2678,38 +2661,35 @@ static int stac9200_parse_auto_config(struct hda_codec *codec)
* funky external mute control using GPIO pins.
*/
static void stac922x_gpio_mute(struct hda_codec *codec, int pin, int muted)
static void stac_gpio_set(struct hda_codec *codec, unsigned int mask,
unsigned int data)
{
unsigned int gpiostate, gpiomask, gpiodir;
gpiostate = snd_hda_codec_read(codec, codec->afg, 0,
AC_VERB_GET_GPIO_DATA, 0);
if (!muted)
gpiostate |= (1 << pin);
else
gpiostate &= ~(1 << pin);
gpiostate = (gpiostate & ~mask) | (data & mask);
gpiomask = snd_hda_codec_read(codec, codec->afg, 0,
AC_VERB_GET_GPIO_MASK, 0);
gpiomask |= (1 << pin);
gpiomask |= mask;
gpiodir = snd_hda_codec_read(codec, codec->afg, 0,
AC_VERB_GET_GPIO_DIRECTION, 0);
gpiodir |= (1 << pin);
gpiodir |= mask;
/* AppleHDA seems to do this -- WTF is this verb?? */
/* Configure GPIOx as CMOS */
snd_hda_codec_write(codec, codec->afg, 0, 0x7e7, 0);
snd_hda_codec_write(codec, codec->afg, 0,
AC_VERB_SET_GPIO_MASK, gpiomask);
snd_hda_codec_write(codec, codec->afg, 0,
AC_VERB_SET_GPIO_DIRECTION, gpiodir);
snd_hda_codec_read(codec, codec->afg, 0,
AC_VERB_SET_GPIO_DIRECTION, gpiodir); /* sync */
msleep(1);
snd_hda_codec_write(codec, codec->afg, 0,
AC_VERB_SET_GPIO_DATA, gpiostate);
snd_hda_codec_read(codec, codec->afg, 0,
AC_VERB_SET_GPIO_DATA, gpiostate); /* sync */
}
static void enable_pin_detect(struct hda_codec *codec, hda_nid_t nid,
@ -2791,10 +2771,7 @@ static int stac92xx_init(struct hda_codec *codec)
stac92xx_auto_set_pinctl(codec, cfg->dig_in_pin,
AC_PINCTL_IN_EN);
if (spec->gpio_mute) {
stac922x_gpio_mute(codec, 0, 0);
stac922x_gpio_mute(codec, 1, 0);
}
stac_gpio_set(codec, spec->gpio_mask, spec->gpio_data);
return 0;
}
@ -2950,10 +2927,7 @@ static int stac92xx_resume(struct hda_codec *codec)
stac92xx_set_config_regs(codec);
snd_hda_sequence_write(codec, spec->init);
if (spec->gpio_mute) {
stac922x_gpio_mute(codec, 0, 0);
stac922x_gpio_mute(codec, 1, 0);
}
stac_gpio_set(codec, spec->gpio_mask, spec->gpio_data);
snd_hda_codec_resume_amp(codec);
snd_hda_codec_resume_cache(codec);
/* invoke unsolicited event to reset the HP state */
@ -3188,7 +3162,6 @@ again:
spec->dinput_mux = &stac92hd73xx_dmux;
/* GPIO0 High = Enable EAPD */
spec->gpio_mask = spec->gpio_data = 0x000001;
stac92xx_enable_gpio_mask(codec);
spec->num_pwrs = ARRAY_SIZE(stac92hd73xx_pwr_nids);
spec->pwr_nids = stac92hd73xx_pwr_nids;
@ -3263,7 +3236,6 @@ again:
spec->aloopback_shift = 0;
spec->gpio_mask = spec->gpio_data = 0x00000001; /* GPIO0 High = EAPD */
stac92xx_enable_gpio_mask(codec);
spec->mux_nids = stac92hd71bxx_mux_nids;
spec->adc_nids = stac92hd71bxx_adc_nids;
@ -3319,7 +3291,7 @@ static int patch_stac922x(struct hda_codec *codec)
stac922x_models,
stac922x_cfg_tbl);
if (spec->board_config == STAC_INTEL_MAC_V3) {
spec->gpio_mute = 1;
spec->gpio_mask = spec->gpio_data = 0x03;
/* Intel Macs have all same PCI SSID, so we need to check
* codec SSID to distinguish the exact models
*/
@ -3483,7 +3455,6 @@ static int patch_stac927x(struct hda_codec *codec)
spec->aloopback_mask = 0x40;
spec->aloopback_shift = 0;
stac92xx_enable_gpio_mask(codec);
err = stac92xx_parse_auto_config(codec, 0x1e, 0x20);
if (!err) {
if (spec->board_config < 0) {
@ -3568,7 +3539,6 @@ static int patch_stac9205(struct hda_codec *codec)
break;
}
stac92xx_enable_gpio_mask(codec);
err = stac92xx_parse_auto_config(codec, 0x1f, 0x20);
if (!err) {
if (spec->board_config < 0) {