diff options
Diffstat (limited to 'sound/pci/oxygen/oxygen.c')
| -rw-r--r-- | sound/pci/oxygen/oxygen.c | 76 |
1 files changed, 55 insertions, 21 deletions
diff --git a/sound/pci/oxygen/oxygen.c b/sound/pci/oxygen/oxygen.c index 63f185c..7c8ae31 100644 --- a/sound/pci/oxygen/oxygen.c +++ b/sound/pci/oxygen/oxygen.c @@ -43,7 +43,7 @@ MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>"); MODULE_DESCRIPTION("C-Media CMI8788 driver"); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); MODULE_SUPPORTED_DEVICE("{{C-Media,CMI8788}}"); static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; @@ -80,6 +80,7 @@ MODULE_DEVICE_TABLE(pci, oxygen_ids); struct generic_data { u8 ak4396_ctl2; + u16 saved_wm8785_registers[2]; }; static void ak4396_write(struct oxygen *chip, unsigned int codec, @@ -99,20 +100,35 @@ static void ak4396_write(struct oxygen *chip, unsigned int codec, static void wm8785_write(struct oxygen *chip, u8 reg, unsigned int value) { + struct generic_data *data = chip->model_data; + oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER | OXYGEN_SPI_DATA_LENGTH_2 | OXYGEN_SPI_CLOCK_160 | (3 << OXYGEN_SPI_CODEC_SHIFT) | OXYGEN_SPI_CEN_LATCH_CLOCK_LO, (reg << 9) | value); + if (reg < ARRAY_SIZE(data->saved_wm8785_registers)) + data->saved_wm8785_registers[reg] = value; } -static void ak4396_init(struct oxygen *chip) +static void update_ak4396_volume(struct oxygen *chip) +{ + unsigned int i; + + for (i = 0; i < 4; ++i) { + ak4396_write(chip, i, + AK4396_LCH_ATT, chip->dac_volume[i * 2]); + ak4396_write(chip, i, + AK4396_RCH_ATT, chip->dac_volume[i * 2 + 1]); + } +} + +static void ak4396_registers_init(struct oxygen *chip) { struct generic_data *data = chip->model_data; unsigned int i; - data->ak4396_ctl2 = AK4396_SMUTE | AK4396_DEM_OFF | AK4396_DFS_NORMAL; for (i = 0; i < 4; ++i) { ak4396_write(chip, i, AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN); @@ -120,9 +136,16 @@ static void ak4396_init(struct oxygen *chip) AK4396_CONTROL_2, data->ak4396_ctl2); ak4396_write(chip, i, AK4396_CONTROL_3, AK4396_PCM); - ak4396_write(chip, i, AK4396_LCH_ATT, 0); - ak4396_write(chip, i, AK4396_RCH_ATT, 0); } + update_ak4396_volume(chip); +} + +static void ak4396_init(struct oxygen *chip) +{ + struct generic_data *data = chip->model_data; + + data->ak4396_ctl2 = AK4396_SMUTE | AK4396_DEM_OFF | AK4396_DFS_NORMAL; + ak4396_registers_init(chip); snd_component_add(chip->card, "AK4396"); } @@ -133,12 +156,23 @@ static void ak5385_init(struct oxygen *chip) snd_component_add(chip->card, "AK5385"); } -static void wm8785_init(struct oxygen *chip) +static void wm8785_registers_init(struct oxygen *chip) { + struct generic_data *data = chip->model_data; + wm8785_write(chip, WM8785_R7, 0); - wm8785_write(chip, WM8785_R0, WM8785_MCR_SLAVE | - WM8785_OSR_SINGLE | WM8785_FORMAT_LJUST); - wm8785_write(chip, WM8785_R1, WM8785_WL_24); + wm8785_write(chip, WM8785_R0, data->saved_wm8785_registers[0]); + wm8785_write(chip, WM8785_R1, data->saved_wm8785_registers[1]); +} + +static void wm8785_init(struct oxygen *chip) +{ + struct generic_data *data = chip->model_data; + + data->saved_wm8785_registers[0] = WM8785_MCR_SLAVE | + WM8785_OSR_SINGLE | WM8785_FORMAT_LJUST; + data->saved_wm8785_registers[1] = WM8785_WL_24; + wm8785_registers_init(chip); snd_component_add(chip->card, "WM8785"); } @@ -158,6 +192,12 @@ static void generic_cleanup(struct oxygen *chip) { } +static void generic_resume(struct oxygen *chip) +{ + ak4396_registers_init(chip); + wm8785_registers_init(chip); +} + static void set_ak4396_params(struct oxygen *chip, struct snd_pcm_hw_params *params) { @@ -183,18 +223,6 @@ static void set_ak4396_params(struct oxygen *chip, } } -static void update_ak4396_volume(struct oxygen *chip) -{ - unsigned int i; - - for (i = 0; i < 4; ++i) { - ak4396_write(chip, i, - AK4396_LCH_ATT, chip->dac_volume[i * 2]); - ak4396_write(chip, i, - AK4396_RCH_ATT, chip->dac_volume[i * 2 + 1]); - } -} - static void update_ak4396_mute(struct oxygen *chip) { struct generic_data *data = chip->model_data; @@ -256,6 +284,7 @@ static const struct oxygen_model model_generic = { .owner = THIS_MODULE, .init = generic_init, .cleanup = generic_cleanup, + .resume = generic_resume, .set_dac_params = set_ak4396_params, .set_adc_params = set_wm8785_params, .update_dac_volume = update_ak4396_volume, @@ -283,6 +312,7 @@ static const struct oxygen_model model_meridian = { .owner = THIS_MODULE, .init = meridian_init, .cleanup = generic_cleanup, + .resume = ak4396_registers_init, .set_dac_params = set_ak4396_params, .set_adc_params = set_ak5385_params, .update_dac_volume = update_ak4396_volume, @@ -331,6 +361,10 @@ static struct pci_driver oxygen_driver = { .id_table = oxygen_ids, .probe = generic_oxygen_probe, .remove = __devexit_p(oxygen_pci_remove), +#ifdef CONFIG_PM + .suspend = oxygen_pci_suspend, + .resume = oxygen_pci_resume, +#endif }; static int __init alsa_card_oxygen_init(void) |
