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Diffstat (limited to 'sound/soc/codecs/wm8711.c')
-rw-r--r--sound/soc/codecs/wm8711.c38
1 files changed, 18 insertions, 20 deletions
diff --git a/sound/soc/codecs/wm8711.c b/sound/soc/codecs/wm8711.c
index a537e4af6ae..8d0347cf0e9 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),