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ASoC: Convert WM8903 bias management to use snd_soc_update_bits()

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Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Mark Brown 2011-02-10 13:32:58 +00:00
parent c5b6a9feae
commit 66daaa59d5
1 changed files with 7 additions and 10 deletions
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17
sound/soc/codecs/wm8903.c
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@ -1139,15 +1139,13 @@ static int wm8903_add_widgets(struct snd_soc_codec *codec)
static int wm8903_set_bias_level(struct snd_soc_codec *codec, static int wm8903_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level) enum snd_soc_bias_level level)
{ {
u16 reg;
switch (level) { switch (level) {
case SND_SOC_BIAS_ON: case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE: case SND_SOC_BIAS_PREPARE:
reg = snd_soc_read(codec, WM8903_VMID_CONTROL_0); snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
reg &= ~(WM8903_VMID_RES_MASK); WM8903_VMID_RES_MASK,
reg |= WM8903_VMID_RES_50K; WM8903_VMID_RES_50K);
snd_soc_write(codec, WM8903_VMID_CONTROL_0, reg);
break; break;
case SND_SOC_BIAS_STANDBY: case SND_SOC_BIAS_STANDBY:
@ -1174,10 +1172,9 @@ static int wm8903_set_bias_level(struct snd_soc_codec *codec,
WM8903_CP_DYN_V); WM8903_CP_DYN_V);
} }
reg = snd_soc_read(codec, WM8903_VMID_CONTROL_0); snd_soc_update_bits(codec, WM8903_VMID_CONTROL_0,
reg &= ~(WM8903_VMID_RES_MASK); WM8903_VMID_RES_MASK,
reg |= WM8903_VMID_RES_250K; WM8903_VMID_RES_250K);
snd_soc_write(codec, WM8903_VMID_CONTROL_0, reg);
break; break;
case SND_SOC_BIAS_OFF: case SND_SOC_BIAS_OFF: