diff options
Diffstat (limited to 'sound/soc/codecs/wm8711.c')
| -rw-r--r-- | sound/soc/codecs/wm8711.c | 38 |
1 files changed, 18 insertions, 20 deletions
diff --git a/sound/soc/codecs/wm8711.c b/sound/soc/codecs/wm8711.c index a537e4af6ae7..8d0347cf0e9a 100644 --- a/sound/soc/codecs/wm8711.c +++ b/sound/soc/codecs/wm8711.c @@ -3,7 +3,7 @@ * * Copyright 2006 Wolfson Microelectronics * - * Author: Mike Arthur <linux@wolfsonmicro.com> + * Author: Mike Arthur <Mike.Arthur@wolfsonmicro.com> * * Based on wm8731.c by Richard Purdie * @@ -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> @@ -286,7 +287,6 @@ static int wm8711_set_dai_fmt(struct snd_soc_dai *codec_dai, return 0; } - static int wm8711_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { @@ -299,6 +299,9 @@ static int wm8711_set_bias_level(struct snd_soc_codec *codec, case SND_SOC_BIAS_PREPARE: break; case SND_SOC_BIAS_STANDBY: + if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) + snd_soc_cache_sync(codec); + snd_soc_write(codec, WM8711_PWR, reg | 0x0040); break; case SND_SOC_BIAS_OFF: @@ -345,25 +348,14 @@ static int wm8711_suspend(struct snd_soc_codec *codec, pm_message_t state) static int wm8711_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(wm8711_reg); i++) { - data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001); - data[1] = cache[i] & 0x00ff; - codec->hw_write(codec->control_data, data, 2); - } wm8711_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - return 0; } static int wm8711_probe(struct snd_soc_codec *codec) { struct wm8711_priv *wm8711 = snd_soc_codec_get_drvdata(codec); - int ret, reg; + int ret; ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8711->bus_type); if (ret < 0) { @@ -380,10 +372,8 @@ static int wm8711_probe(struct snd_soc_codec *codec) wm8711_set_bias_level(codec, SND_SOC_BIAS_STANDBY); /* Latch the update bits */ - reg = snd_soc_read(codec, WM8711_LOUT1V); - snd_soc_write(codec, WM8711_LOUT1V, reg | 0x0100); - reg = snd_soc_read(codec, WM8711_ROUT1V); - snd_soc_write(codec, WM8711_ROUT1V, reg | 0x0100); + snd_soc_update_bits(codec, WM8711_LOUT1V, 0x0100, 0x0100); + snd_soc_update_bits(codec, WM8711_ROUT1V, 0x0100, 0x0100); snd_soc_add_controls(codec, wm8711_snd_controls, ARRAY_SIZE(wm8711_snd_controls)); @@ -414,6 +404,12 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8711 = { .num_dapm_routes = ARRAY_SIZE(wm8711_intercon), }; +static const struct of_device_id wm8711_of_match[] = { + { .compatible = "wlf,wm8711", }, + { } +}; +MODULE_DEVICE_TABLE(of, wm8711_of_match); + #if defined(CONFIG_SPI_MASTER) static int __devinit wm8711_spi_probe(struct spi_device *spi) { @@ -443,8 +439,9 @@ static int __devexit wm8711_spi_remove(struct spi_device *spi) static struct spi_driver wm8711_spi_driver = { .driver = { - .name = "wm8711-codec", + .name = "wm8711", .owner = THIS_MODULE, + .of_match_table = wm8711_of_match, }, .probe = wm8711_spi_probe, .remove = __devexit_p(wm8711_spi_remove), @@ -487,8 +484,9 @@ MODULE_DEVICE_TABLE(i2c, wm8711_i2c_id); static struct i2c_driver wm8711_i2c_driver = { .driver = { - .name = "wm8711-codec", + .name = "wm8711", .owner = THIS_MODULE, + .of_match_table = wm8711_of_match, }, .probe = wm8711_i2c_probe, .remove = __devexit_p(wm8711_i2c_remove), |