There are two issues after resuming from suspend on the Audiotrak Prodigy 7.1 HiFi: - the output volume is set to 100% - microphone input isn't working anymore

This patch fixes these issues by reinitializing both codecs of the device and restoring the previous volumes during resume.

Signed-off-by: Yussuf Khalil dev@pp3345.net --- sound/pci/ice1712/prodigy_hifi.c | 131 ++++++++++++++++++++++++++++++--------- 1 file changed, 102 insertions(+), 29 deletions(-)

diff --git a/sound/pci/ice1712/prodigy_hifi.c b/sound/pci/ice1712/prodigy_hifi.c index 2697402b5195..8dabd4d0211d 100644 --- a/sound/pci/ice1712/prodigy_hifi.c +++ b/sound/pci/ice1712/prodigy_hifi.c @@ -965,13 +965,32 @@ static int prodigy_hd2_add_controls(struct snd_ice1712 *ice) return 0; }

+static void wm8766_init(struct snd_ice1712 *ice) +{ + static unsigned short wm8766_inits[] = { + WM8766_RESET, 0x0000, + WM8766_DAC_CTRL, 0x0120, + WM8766_INT_CTRL, 0x0022, /* I2S Normal Mode, 24 bit */ + WM8766_DAC_CTRL2, 0x0001, + WM8766_DAC_CTRL3, 0x0080, + WM8766_LDA1, 0x0100, + WM8766_LDA2, 0x0100, + WM8766_LDA3, 0x0100, + WM8766_RDA1, 0x0100, + WM8766_RDA2, 0x0100, + WM8766_RDA3, 0x0100, + WM8766_MUTE1, 0x0000, + WM8766_MUTE2, 0x0000, + }; + unsigned int i;

-/* - * initialize the chip - */ -static int prodigy_hifi_init(struct snd_ice1712 *ice) + for (i = 0; i < ARRAY_SIZE(wm8766_inits); i += 2) + wm8766_spi_write(ice, wm8766_inits[i], wm8766_inits[i + 1]); +} + +static void wm8776_init(struct snd_ice1712 *ice) { - static unsigned short wm_inits[] = { + static unsigned short wm8776_inits[] = { /* These come first to reduce init pop noise */ WM_ADC_MUX, 0x0003, /* ADC mute */ /* 0x00c0 replaced by 0x0003 */ @@ -982,7 +1001,76 @@ static int prodigy_hifi_init(struct snd_ice1712 *ice) WM_POWERDOWN, 0x0008, /* All power-up except HP */ WM_RESET, 0x0000, /* reset */ }; - static unsigned short wm_inits2[] = { + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(wm8776_inits); i += 2) + wm_put(ice, wm8776_inits[i], wm8776_inits[i + 1]); +} + +#ifdef CONFIG_PM_SLEEP +static int prodigy_hifi_resume(struct snd_ice1712 *ice) +{ + static unsigned short wm8776_reinit_registers[] = { + WM_MASTER_CTRL, + WM_DAC_INT, + WM_ADC_INT, + WM_OUT_MUX, + WM_HP_ATTEN_L, + WM_HP_ATTEN_R, + WM_PHASE_SWAP, + WM_DAC_CTRL2, + WM_ADC_ATTEN_L, + WM_ADC_ATTEN_R, + WM_ALC_CTRL1, + WM_ALC_CTRL2, + WM_ALC_CTRL3, + WM_NOISE_GATE, + WM_ADC_MUX, + /* no DAC attenuation here */ + }; + struct prodigy_hifi_spec *spec = ice->spec; + int i, ch; + + mutex_lock(&ice->gpio_mutex); + + /* reinitialize WM8776 and re-apply old register values */ + wm8776_init(ice); + schedule_timeout_uninterruptible(1); + for (i = 0; i < ARRAY_SIZE(wm8776_reinit_registers); i++) + wm_put(ice, wm8776_reinit_registers[i], + wm_get(ice, wm8776_reinit_registers[i])); + + /* reinitialize WM8766 and re-apply volumes for all DACs */ + wm8766_init(ice); + for (ch = 0; ch < 2; ch++) { + wm_set_vol(ice, WM_DAC_ATTEN_L + ch, + spec->vol[2 + ch], spec->master[ch]); + + wm8766_set_vol(ice, WM8766_LDA1 + ch, + spec->vol[0 + ch], spec->master[ch]); + + wm8766_set_vol(ice, WM8766_LDA2 + ch, + spec->vol[4 + ch], spec->master[ch]); + + wm8766_set_vol(ice, WM8766_LDA3 + ch, + spec->vol[6 + ch], spec->master[ch]); + } + + /* unmute WM8776 DAC */ + wm_put(ice, WM_DAC_MUTE, 0x00); + wm_put(ice, WM_DAC_CTRL1, 0x90); + + mutex_unlock(&ice->gpio_mutex); + return 0; +} +#endif + +/* + * initialize the chip + */ +static int prodigy_hifi_init(struct snd_ice1712 *ice) +{ + static unsigned short wm8776_defaults[] = { WM_MASTER_CTRL, 0x0022, /* 256fs, slave mode */ WM_DAC_INT, 0x0022, /* I2S, normal polarity, 24bit */ WM_ADC_INT, 0x0022, /* I2S, normal polarity, 24bit */ @@ -1010,22 +1098,6 @@ static int prodigy_hifi_init(struct snd_ice1712 *ice) WM_DAC_MUTE, 0x0000, /* DAC unmute */ WM_ADC_MUX, 0x0003, /* ADC unmute, both CD/Line On */ }; - static unsigned short wm8766_inits[] = { - WM8766_RESET, 0x0000, - WM8766_DAC_CTRL, 0x0120, - WM8766_INT_CTRL, 0x0022, /* I2S Normal Mode, 24 bit */ - WM8766_DAC_CTRL2, 0x0001, - WM8766_DAC_CTRL3, 0x0080, - WM8766_LDA1, 0x0100, - WM8766_LDA2, 0x0100, - WM8766_LDA3, 0x0100, - WM8766_RDA1, 0x0100, - WM8766_RDA2, 0x0100, - WM8766_RDA3, 0x0100, - WM8766_MUTE1, 0x0000, - WM8766_MUTE2, 0x0000, - }; - struct prodigy_hifi_spec *spec; unsigned int i;

@@ -1052,16 +1124,17 @@ static int prodigy_hifi_init(struct snd_ice1712 *ice) ice->spec = spec;

/* initialize WM8776 codec */ - for (i = 0; i < ARRAY_SIZE(wm_inits); i += 2) - wm_put(ice, wm_inits[i], wm_inits[i+1]); + wm8776_init(ice); schedule_timeout_uninterruptible(1); - for (i = 0; i < ARRAY_SIZE(wm_inits2); i += 2) - wm_put(ice, wm_inits2[i], wm_inits2[i+1]); + for (i = 0; i < ARRAY_SIZE(wm8776_defaults); i += 2) + wm_put(ice, wm8776_defaults[i], wm8776_defaults[i + 1]);

- /* initialize WM8766 codec */ - for (i = 0; i < ARRAY_SIZE(wm8766_inits); i += 2) - wm8766_spi_write(ice, wm8766_inits[i], wm8766_inits[i+1]); + wm8766_init(ice);

+#ifdef CONFIG_PM_SLEEP + ice->pm_resume = &prodigy_hifi_resume; + ice->pm_suspend_enabled = 1; +#endif

return 0; }