diff options
| author | Takashi Iwai <tiwai@suse.de> | 2009-09-10 15:32:55 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-09-10 15:32:55 +0200 |
| commit | 8a3351bbb93b15ec5d35fd4b3e6e971d6285e674 (patch) | |
| tree | ec40d226dc962401fa022ad3d862f2ccd01f6817 /sound/pci/ice1712/prodigy_hifi.c | |
| parent | dcb37d509a93710f96ebfd8b653e3653144799f9 (diff) | |
| parent | cd775387244e379ef9b284f9b6aff6ee069f4d12 (diff) | |
Merge branch 'topic/ice1724-pm' into for-linus
* topic/ice1724-pm:
ALSA: ice1724 - Fix section mismatch
ALSA: ice1724 - Patch for suspend/resume for Audiotrak Prodigy HD2
Diffstat (limited to 'sound/pci/ice1712/prodigy_hifi.c')
| -rw-r--r-- | sound/pci/ice1712/prodigy_hifi.c | 46 |
1 files changed, 36 insertions, 10 deletions
diff --git a/sound/pci/ice1712/prodigy_hifi.c b/sound/pci/ice1712/prodigy_hifi.c index 043a93879bd..c75515f5be6 100644 --- a/sound/pci/ice1712/prodigy_hifi.c +++ b/sound/pci/ice1712/prodigy_hifi.c @@ -1077,7 +1077,7 @@ static int __devinit prodigy_hifi_init(struct snd_ice1712 *ice) /* * initialize the chip */ -static int __devinit prodigy_hd2_init(struct snd_ice1712 *ice) +static void ak4396_init(struct snd_ice1712 *ice) { static unsigned short ak4396_inits[] = { AK4396_CTRL1, 0x87, /* I2S Normal Mode, 24 bit */ @@ -1087,9 +1087,37 @@ static int __devinit prodigy_hd2_init(struct snd_ice1712 *ice) AK4396_RCH_ATT, 0x00, }; - struct prodigy_hifi_spec *spec; unsigned int i; + /* initialize ak4396 codec */ + /* reset codec */ + ak4396_write(ice, AK4396_CTRL1, 0x86); + msleep(100); + ak4396_write(ice, AK4396_CTRL1, 0x87); + + for (i = 0; i < ARRAY_SIZE(ak4396_inits); i += 2) + ak4396_write(ice, ak4396_inits[i], ak4396_inits[i+1]); +} + +#ifdef CONFIG_PM +static int __devinit prodigy_hd2_resume(struct snd_ice1712 *ice) +{ + /* initialize ak4396 codec and restore previous mixer volumes */ + struct prodigy_hifi_spec *spec = ice->spec; + int i; + mutex_lock(&ice->gpio_mutex); + ak4396_init(ice); + for (i = 0; i < 2; i++) + ak4396_write(ice, AK4396_LCH_ATT + i, spec->vol[i] & 0xff); + mutex_unlock(&ice->gpio_mutex); + return 0; +} +#endif + +static int __devinit prodigy_hd2_init(struct snd_ice1712 *ice) +{ + struct prodigy_hifi_spec *spec; + ice->vt1720 = 0; ice->vt1724 = 1; @@ -1112,14 +1140,12 @@ static int __devinit prodigy_hd2_init(struct snd_ice1712 *ice) return -ENOMEM; ice->spec = spec; - /* initialize ak4396 codec */ - /* reset codec */ - ak4396_write(ice, AK4396_CTRL1, 0x86); - msleep(100); - ak4396_write(ice, AK4396_CTRL1, 0x87); - - for (i = 0; i < ARRAY_SIZE(ak4396_inits); i += 2) - ak4396_write(ice, ak4396_inits[i], ak4396_inits[i+1]); +#ifdef CONFIG_PM + ice->pm_resume = &prodigy_hd2_resume; + ice->pm_suspend_enabled = 1; +#endif + + ak4396_init(ice); return 0; } |