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| author | Axel Lin <axel.lin@gmail.com> | 2011-10-14 12:09:48 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-10-14 20:29:05 +0100 |
| commit | c639adc68fc2b5b4899c7902d67fc095f42342e0 (patch) | |
| tree | 747b746354fc52e235b86b349b936f67193d950b | |
| parent | 3f387a217044b3aa7785062aaa9113aa3cc729c0 (diff) | |
| download | linux-stable-c639adc68fc2b5b4899c7902d67fc095f42342e0.tar.gz linux-stable-c639adc68fc2b5b4899c7902d67fc095f42342e0.tar.bz2 linux-stable-c639adc68fc2b5b4899c7902d67fc095f42342e0.zip | |
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>
| -rw-r--r-- | sound/soc/codecs/wm8991.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/sound/soc/codecs/wm8991.c b/sound/soc/codecs/wm8991.c index 708d251019a3..c9ab3ba9bced 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)); |