diff options
Diffstat (limited to 'sound/soc/codecs/wm8750.c')
| -rw-r--r-- | sound/soc/codecs/wm8750.c | 56 |
1 files changed, 23 insertions, 33 deletions
diff --git a/sound/soc/codecs/wm8750.c b/sound/soc/codecs/wm8750.c index d0003cc3bcd..ca75a818070 100644 --- a/sound/soc/codecs/wm8750.c +++ b/sound/soc/codecs/wm8750.c @@ -21,6 +21,7 @@ #include <linux/platform_device.h> #include <linux/spi/spi.h> #include <linux/slab.h> +#include <linux/of_device.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> @@ -615,6 +616,8 @@ static int wm8750_set_bias_level(struct snd_soc_codec *codec, break; case SND_SOC_BIAS_STANDBY: if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { + snd_soc_cache_sync(codec); + /* Set VMID to 5k */ snd_soc_write(codec, WM8750_PWR1, pwr_reg | 0x01c1); @@ -672,28 +675,14 @@ static int wm8750_suspend(struct snd_soc_codec *codec, pm_message_t state) static int wm8750_resume(struct snd_soc_codec *codec) { - int i; - u8 data[2]; - u16 *cache = codec->reg_cache; - - /* Sync reg_cache with the hardware */ - for (i = 0; i < ARRAY_SIZE(wm8750_reg); i++) { - if (i == WM8750_RESET) - continue; - data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001); - data[1] = cache[i] & 0x00ff; - codec->hw_write(codec->control_data, data, 2); - } - wm8750_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - return 0; } static int wm8750_probe(struct snd_soc_codec *codec) { struct wm8750_priv *wm8750 = snd_soc_codec_get_drvdata(codec); - int reg, ret; + int ret; ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8750->control_type); if (ret < 0) { @@ -711,22 +700,14 @@ static int wm8750_probe(struct snd_soc_codec *codec) wm8750_set_bias_level(codec, SND_SOC_BIAS_STANDBY); /* set the update bits */ - reg = snd_soc_read(codec, WM8750_LDAC); - snd_soc_write(codec, WM8750_LDAC, reg | 0x0100); - reg = snd_soc_read(codec, WM8750_RDAC); - snd_soc_write(codec, WM8750_RDAC, reg | 0x0100); - reg = snd_soc_read(codec, WM8750_LOUT1V); - snd_soc_write(codec, WM8750_LOUT1V, reg | 0x0100); - reg = snd_soc_read(codec, WM8750_ROUT1V); - snd_soc_write(codec, WM8750_ROUT1V, reg | 0x0100); - reg = snd_soc_read(codec, WM8750_LOUT2V); - snd_soc_write(codec, WM8750_LOUT2V, reg | 0x0100); - reg = snd_soc_read(codec, WM8750_ROUT2V); - snd_soc_write(codec, WM8750_ROUT2V, reg | 0x0100); - reg = snd_soc_read(codec, WM8750_LINVOL); - snd_soc_write(codec, WM8750_LINVOL, reg | 0x0100); - reg = snd_soc_read(codec, WM8750_RINVOL); - snd_soc_write(codec, WM8750_RINVOL, reg | 0x0100); + snd_soc_update_bits(codec, WM8750_LDAC, 0x0100, 0x0100); + snd_soc_update_bits(codec, WM8750_RDAC, 0x0100, 0x0100); + snd_soc_update_bits(codec, WM8750_LOUT1V, 0x0100, 0x0100); + snd_soc_update_bits(codec, WM8750_ROUT1V, 0x0100, 0x0100); + snd_soc_update_bits(codec, WM8750_LOUT2V, 0x0100, 0x0100); + snd_soc_update_bits(codec, WM8750_ROUT2V, 0x0100, 0x0100); + snd_soc_update_bits(codec, WM8750_LINVOL, 0x0100, 0x0100); + snd_soc_update_bits(codec, WM8750_RINVOL, 0x0100, 0x0100); snd_soc_add_controls(codec, wm8750_snd_controls, ARRAY_SIZE(wm8750_snd_controls)); @@ -751,6 +732,13 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8750 = { .reg_cache_default = wm8750_reg, }; +static const struct of_device_id wm8750_of_match[] = { + { .compatible = "wlf,wm8750", }, + { .compatible = "wlf,wm8987", }, + { } +}; +MODULE_DEVICE_TABLE(of, wm8750_of_match); + #if defined(CONFIG_SPI_MASTER) static int __devinit wm8750_spi_probe(struct spi_device *spi) { @@ -787,8 +775,9 @@ MODULE_DEVICE_TABLE(spi, wm8750_spi_ids); static struct spi_driver wm8750_spi_driver = { .driver = { - .name = "wm8750-codec", + .name = "wm8750", .owner = THIS_MODULE, + .of_match_table = wm8750_of_match, }, .id_table = wm8750_spi_ids, .probe = wm8750_spi_probe, @@ -833,8 +822,9 @@ MODULE_DEVICE_TABLE(i2c, wm8750_i2c_id); static struct i2c_driver wm8750_i2c_driver = { .driver = { - .name = "wm8750-codec", + .name = "wm8750", .owner = THIS_MODULE, + .of_match_table = wm8750_of_match, }, .probe = wm8750_i2c_probe, .remove = __devexit_p(wm8750_i2c_remove), |