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Diffstat (limited to 'sound/pci/oxygen/oxygen.c')
-rw-r--r--sound/pci/oxygen/oxygen.c76
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)
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