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Date: Tue, 04 Oct 2011 09:59:26 +0800 From: Axel Lin <axel.lin@...il.com> To: linux-kernel@...r.kernel.org Cc: Mark Brown <broonie@...nsource.wolfsonmicro.com>, Liam Girdwood <lrg@...com>, alsa-devel@...a-project.org Subject: [PATCH 4/4] ASoC: wm8988: 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@...il.com> --- sound/soc/codecs/wm8988.c | 15 +++++---------- 1 files changed, 5 insertions(+), 10 deletions(-) diff --git a/sound/soc/codecs/wm8988.c b/sound/soc/codecs/wm8988.c index d7170f1..5099e62 100644 --- a/sound/soc/codecs/wm8988.c +++ b/sound/soc/codecs/wm8988.c @@ -774,16 +774,11 @@ static int wm8988_probe(struct snd_soc_codec *codec) } /* set the update bits (we always update left then right) */ - reg = snd_soc_read(codec, WM8988_RADC); - snd_soc_write(codec, WM8988_RADC, reg | 0x100); - reg = snd_soc_read(codec, WM8988_RDAC); - snd_soc_write(codec, WM8988_RDAC, reg | 0x0100); - reg = snd_soc_read(codec, WM8988_ROUT1V); - snd_soc_write(codec, WM8988_ROUT1V, reg | 0x0100); - reg = snd_soc_read(codec, WM8988_ROUT2V); - snd_soc_write(codec, WM8988_ROUT2V, reg | 0x0100); - reg = snd_soc_read(codec, WM8988_RINVOL); - snd_soc_write(codec, WM8988_RINVOL, reg | 0x0100); + snd_soc_update_bits(codec, WM8988_RADC, 0x0100, 0x0100); + snd_soc_update_bits(codec, WM8988_RDAC, 0x0100, 0x0100); + snd_soc_update_bits(codec, WM8988_ROUT1V, 0x0100, 0x0100); + snd_soc_update_bits(codec, WM8988_ROUT2V, 0x0100, 0x0100); + snd_soc_update_bits(codec, WM8988_RINVOL, 0x0100, 0x0100); wm8988_set_bias_level(codec, SND_SOC_BIAS_STANDBY); -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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