diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-06-13 21:30:18 (GMT) |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-06-13 21:30:18 (GMT) |
| commit | b3b50b3f31775be5d2e441618bbc1c5cbee4d9f1 (patch) | |
| tree | 22171b96e3138fcea12f9845bc3f26358c7bfa6a /sound/soc/codecs/wm8731.c | |
| parent | 831dc0f10f7b2a4856094ff160c018bf19f77527 (diff) | |
| download | linux-b3b50b3f31775be5d2e441618bbc1c5cbee4d9f1.tar.xz | |
ASoC: Add suspend and resume callbacks to Wolfson CODEC drivers
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/wm8731.c')
| -rw-r--r-- | sound/soc/codecs/wm8731.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c index 7a20587..d7f4788 100644 --- a/sound/soc/codecs/wm8731.c +++ b/sound/soc/codecs/wm8731.c @@ -460,6 +460,7 @@ struct snd_soc_dai wm8731_dai = { }; EXPORT_SYMBOL_GPL(wm8731_dai); +#ifdef CONFIG_PM static int wm8731_suspend(struct platform_device *pdev, pm_message_t state) { struct snd_soc_device *socdev = platform_get_drvdata(pdev); @@ -488,6 +489,10 @@ static int wm8731_resume(struct platform_device *pdev) wm8731_set_bias_level(codec, codec->suspend_bias_level); return 0; } +#else +#define wm8731_suspend NULL +#define wm8731_resume NULL +#endif static int wm8731_probe(struct platform_device *pdev) { @@ -680,6 +685,21 @@ static int __devexit wm8731_spi_remove(struct spi_device *spi) return 0; } +#ifdef CONFIG_PM +static int wm8731_spi_suspend(struct spi_device *spi, pm_message_t msg) +{ + return snd_soc_suspend_device(&spi->dev); +} + +static int wm8731_spi_resume(struct spi_device *spi) +{ + return snd_soc_resume_device(&spi->dev); +} +#else +#define wm8731_spi_suspend NULL +#define wm8731_spi_resume NULL +#endif + static struct spi_driver wm8731_spi_driver = { .driver = { .name = "wm8731", @@ -687,6 +707,8 @@ static struct spi_driver wm8731_spi_driver = { .owner = THIS_MODULE, }, .probe = wm8731_spi_probe, + .suspend = wm8731_spi_suspend, + .resume = wm8731_spi_resume, .remove = __devexit_p(wm8731_spi_remove), }; #endif /* CONFIG_SPI_MASTER */ @@ -720,6 +742,21 @@ static __devexit int wm8731_i2c_remove(struct i2c_client *client) return 0; } +#ifdef CONFIG_PM +static int wm8731_i2c_suspend(struct i2c_client *i2c, pm_message_t msg) +{ + return snd_soc_suspend_device(&i2c->dev); +} + +static int wm8731_i2c_resume(struct i2c_client *i2c) +{ + return snd_soc_resume_device(&i2c->dev); +} +#else +#define wm8731_i2c_suspend NULL +#define wm8731_i2c_resume NULL +#endif + static const struct i2c_device_id wm8731_i2c_id[] = { { "wm8731", 0 }, { } @@ -733,6 +770,8 @@ static struct i2c_driver wm8731_i2c_driver = { }, .probe = wm8731_i2c_probe, .remove = __devexit_p(wm8731_i2c_remove), + .suspend = wm8731_i2c_suspend, + .resume = wm8731_i2c_resume, .id_table = wm8731_i2c_id, }; #endif |