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authorAxel Lin <axel.lin@gmail.com>2011-10-14 12:09:48 +0800
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-10-14 20:29:05 +0100
commitc639adc68fc2b5b4899c7902d67fc095f42342e0 (patch)
tree747b746354fc52e235b86b349b936f67193d950b /sound/soc/codecs/wm8991.c
parent3f387a217044b3aa7785062aaa9113aa3cc729c0 (diff)
ASoC: wm8991: Use snd_soc_update_bits for read-modify-write
Use snd_soc_update_bits for read-modify-write register access instead of open-coding it using snd_soc_read and snd_soc_write Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/wm8991.c')
-rw-r--r--sound/soc/codecs/wm8991.c20
1 files changed, 9 insertions, 11 deletions
diff --git a/sound/soc/codecs/wm8991.c b/sound/soc/codecs/wm8991.c
index 708d251019a..c9ab3ba9bce 100644
--- a/sound/soc/codecs/wm8991.c
+++ b/sound/soc/codecs/wm8991.c
@@ -1264,7 +1264,6 @@ static int wm8991_probe(struct snd_soc_codec *codec)
{
struct wm8991_priv *wm8991;
int ret;
- unsigned int reg;
wm8991 = snd_soc_codec_get_drvdata(codec);
@@ -1282,19 +1281,18 @@ static int wm8991_probe(struct snd_soc_codec *codec)
wm8991_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
- reg = snd_soc_read(codec, WM8991_AUDIO_INTERFACE_4);
- snd_soc_write(codec, WM8991_AUDIO_INTERFACE_4, reg | WM8991_ALRCGPIO1);
+ snd_soc_update_bits(codec, WM8991_AUDIO_INTERFACE_4,
+ WM8991_ALRCGPIO1, WM8991_ALRCGPIO1);
- reg = snd_soc_read(codec, WM8991_GPIO1_GPIO2) &
- ~WM8991_GPIO1_SEL_MASK;
- snd_soc_write(codec, WM8991_GPIO1_GPIO2, reg | 1);
+ snd_soc_update_bits(codec, WM8991_GPIO1_GPIO2,
+ WM8991_GPIO1_SEL_MASK, 1);
- reg = snd_soc_read(codec, WM8991_POWER_MANAGEMENT_1);
- snd_soc_write(codec, WM8991_POWER_MANAGEMENT_1, reg | WM8991_VREF_ENA|
- WM8991_VMID_MODE_MASK);
+ snd_soc_update_bits(codec, WM8991_POWER_MANAGEMENT_1,
+ WM8991_VREF_ENA | WM8991_VMID_MODE_MASK,
+ WM8991_VREF_ENA | WM8991_VMID_MODE_MASK);
- reg = snd_soc_read(codec, WM8991_POWER_MANAGEMENT_2);
- snd_soc_write(codec, WM8991_POWER_MANAGEMENT_2, reg | WM8991_OPCLK_ENA);
+ snd_soc_update_bits(codec, WM8991_POWER_MANAGEMENT_2,
+ WM8991_OPCLK_ENA, WM8991_OPCLK_ENA);
snd_soc_write(codec, WM8991_DAC_CTRL, 0);
snd_soc_write(codec, WM8991_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));