We use snd_soc_update_bits() to replace snd_soc_write(). "As suggested by Mark Brown"
Signed-off-by: Xavier Hsu xavier.hsu@linaro.org Signed-off-by: Andy Green andy.green@linaro.org --- sound/soc/codecs/wm8971.c | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-)
diff --git a/sound/soc/codecs/wm8971.c b/sound/soc/codecs/wm8971.c index b06bd83..5f711bd 100755 --- a/sound/soc/codecs/wm8971.c +++ b/sound/soc/codecs/wm8971.c @@ -552,12 +552,11 @@ static int wm8971_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { struct snd_soc_codec *codec = codec_dai->codec; - u16 iface = 0;
/* set master/slave audio interface */ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { case SND_SOC_DAIFMT_CBM_CFM: - iface = 0x0040; + snd_soc_update_bits(codec, WM8971_IFACE, 0x0040, 0x0040); break; case SND_SOC_DAIFMT_CBS_CFS: break; @@ -568,18 +567,18 @@ static int wm8971_set_dai_fmt(struct snd_soc_dai *codec_dai, /* interface format */ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: - iface |= 0x0002; + snd_soc_update_bits(codec, WM8971_IFACE, 0x0002, 0x0002); break; case SND_SOC_DAIFMT_RIGHT_J: break; case SND_SOC_DAIFMT_LEFT_J: - iface |= 0x0001; + snd_soc_update_bits(codec, WM8971_IFACE, 0x0001, 0x0001); break; case SND_SOC_DAIFMT_DSP_A: - iface |= 0x0003; + snd_soc_update_bits(codec, WM8971_IFACE, 0x0003, 0x0003); break; case SND_SOC_DAIFMT_DSP_B: - iface |= 0x0013; + snd_soc_update_bits(codec, WM8971_IFACE, 0x0013, 0x0013); break; default: return -EINVAL; @@ -590,19 +589,18 @@ static int wm8971_set_dai_fmt(struct snd_soc_dai *codec_dai, case SND_SOC_DAIFMT_NB_NF: break; case SND_SOC_DAIFMT_IB_IF: - iface |= 0x0090; + snd_soc_update_bits(codec, WM8971_IFACE, 0x0090, 0x0090); break; case SND_SOC_DAIFMT_IB_NF: - iface |= 0x0080; + snd_soc_update_bits(codec, WM8971_IFACE, 0x0080, 0x0080); break; case SND_SOC_DAIFMT_NB_IF: - iface |= 0x0010; + snd_soc_update_bits(codec, WM8971_IFACE, 0x0010, 0x0010); break; default: return -EINVAL; }
- snd_soc_write(codec, WM8971_IFACE, iface); return 0; }