Add proper suspend/resume code for Terratec Aureon cards. Based on ice1724 suspend/resume work of Igor Chernyshev. Fixes bug https://bugtrack.alsa-project.org/alsa-bug/view.php?id=4944 Tested on linux-2.6.32.9
Signed-off-by: Bernhard Urban lewurm@gmail.com --- sound/pci/ice1712/aureon.c | 90 +++++++++++++++++++++++++++++++------------ 1 files changed, 65 insertions(+), 25 deletions(-)
diff --git a/sound/pci/ice1712/aureon.c b/sound/pci/ice1712/aureon.c index 110d16e..1772e1a 100644 --- a/sound/pci/ice1712/aureon.c +++ b/sound/pci/ice1712/aureon.c @@ -1971,11 +1971,10 @@ static int __devinit aureon_add_controls(struct snd_ice1712 *ice) return 0; }
- /* - * initialize the chip + * reset the chip */ -static int __devinit aureon_init(struct snd_ice1712 *ice) +static int aureon_reset(struct snd_ice1712 *ice) { static const unsigned short wm_inits_aureon[] = { /* These come first to reduce init pop noise */ @@ -2062,30 +2061,10 @@ static int __devinit aureon_init(struct snd_ice1712 *ice) 0x0605, /* slave, 24bit, MSB on second OSCLK, SDOUT for right channel when OLRCK is high */ (unsigned short)-1 }; - struct aureon_spec *spec; unsigned int tmp; const unsigned short *p; - int err, i; - - spec = kzalloc(sizeof(*spec), GFP_KERNEL); - if (!spec) - return -ENOMEM; - ice->spec = spec; - - if (ice->eeprom.subvendor == VT1724_SUBDEVICE_AUREON51_SKY) { - ice->num_total_dacs = 6; - ice->num_total_adcs = 2; - } else { - /* aureon 7.1 and prodigy 7.1 */ - ice->num_total_dacs = 8; - ice->num_total_adcs = 2; - } - - /* to remeber the register values of CS8415 */ - ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL); - if (!ice->akm) - return -ENOMEM; - ice->akm_codecs = 1; + int err; + struct aureon_spec *spec = ice->spec;
err = aureon_ac97_init(ice); if (err != 0) @@ -2133,6 +2112,62 @@ static int __devinit aureon_init(struct snd_ice1712 *ice) /* initialize PCA9554 pin directions & set default input */ aureon_pca9554_write(ice, PCA9554_DIR, 0x00); aureon_pca9554_write(ice, PCA9554_OUT, 0x00); /* internal AUX */ + return 0; +} + +/* + * suspend/resume + */ +#ifdef CONFIG_PM +static int aureon_resume(struct snd_ice1712 *ice) +{ + struct aureon_spec *spec = ice->spec; + int err, i; + + err = aureon_reset(ice); + if (err != 0) + return err; + + /* workaround for poking volume with alsamixer after resume: + * just set stored volume again */ + for (i = 0; i < ice->num_total_dacs; i++) { + wm_set_vol(ice, i, spec->vol[i], spec->master[i % 2]); + } + return 0; +} +#endif + +/* + * initialize the chip + */ +static int __devinit aureon_init(struct snd_ice1712 *ice) +{ + struct aureon_spec *spec; + int i, err; + + spec = kzalloc(sizeof(*spec), GFP_KERNEL); + if (!spec) + return -ENOMEM; + ice->spec = spec; + + if (ice->eeprom.subvendor == VT1724_SUBDEVICE_AUREON51_SKY) { + ice->num_total_dacs = 6; + ice->num_total_adcs = 2; + } else { + /* aureon 7.1 and prodigy 7.1 */ + ice->num_total_dacs = 8; + ice->num_total_adcs = 2; + } + + /* to remeber the register values of CS8415 */ + ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL); + if (!ice->akm) + return -ENOMEM; + ice->akm_codecs = 1; + + err = aureon_reset(ice); + if (err != 0) + return err;
spec->master[0] = WM_VOL_MUTE; spec->master[1] = WM_VOL_MUTE; @@ -2141,6 +2176,11 @@ static int __devinit aureon_init(struct snd_ice1712 *ice) wm_set_vol(ice, i, spec->vol[i], spec->master[i % 2]); }
+#ifdef CONFIG_PM + ice->pm_resume = aureon_resume; + ice->pm_suspend_enabled = 1; +#endif + return 0; }