diff options
Diffstat (limited to 'sound/soc/codecs/cs4270.c')
| -rw-r--r-- | sound/soc/codecs/cs4270.c | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/sound/soc/codecs/cs4270.c b/sound/soc/codecs/cs4270.c index f1f237ecec2a..fef0f48330e4 100644 --- a/sound/soc/codecs/cs4270.c +++ b/sound/soc/codecs/cs4270.c @@ -22,7 +22,6 @@ */ #include <linux/module.h> -#include <linux/platform_device.h> #include <linux/slab.h> #include <sound/core.h> #include <sound/soc.h> @@ -447,7 +446,7 @@ static const struct snd_kcontrol_new cs4270_snd_controls[] = { snd_soc_get_volsw, cs4270_soc_put_mute), }; -static struct snd_soc_dai_ops cs4270_dai_ops = { +static const struct snd_soc_dai_ops cs4270_dai_ops = { .hw_params = cs4270_hw_params, .set_sysclk = cs4270_set_dai_sysclk, .set_fmt = cs4270_set_dai_fmt, @@ -579,7 +578,7 @@ static int cs4270_remove(struct snd_soc_codec *codec) * and all registers are written back to the hardware when resuming. */ -static int cs4270_soc_suspend(struct snd_soc_codec *codec, pm_message_t mesg) +static int cs4270_soc_suspend(struct snd_soc_codec *codec) { struct cs4270_private *cs4270 = snd_soc_codec_get_drvdata(codec); int reg, ret; @@ -601,7 +600,6 @@ static int cs4270_soc_suspend(struct snd_soc_codec *codec, pm_message_t mesg) static int cs4270_soc_resume(struct snd_soc_codec *codec) { struct cs4270_private *cs4270 = snd_soc_codec_get_drvdata(codec); - struct i2c_client *i2c_client = to_i2c_client(codec->dev); int reg; regulator_bulk_enable(ARRAY_SIZE(cs4270->supplies), @@ -612,14 +610,7 @@ static int cs4270_soc_resume(struct snd_soc_codec *codec) ndelay(500); /* first restore the entire register cache ... */ - for (reg = CS4270_FIRSTREG; reg <= CS4270_LASTREG; reg++) { - u8 val = snd_soc_read(codec, reg); - - if (i2c_smbus_write_byte_data(i2c_client, reg, val)) { - dev_err(codec->dev, "i2c write failed\n"); - return -EIO; - } - } + snd_soc_cache_sync(codec); /* ... then disable the power-down bits */ reg = snd_soc_read(codec, CS4270_PWRCTL); |