From: Bard Liao Date: Fri, 27 Mar 2015 12:19:08 +0000 (+0800) Subject: ASoC: rt5645: Use update_bits for bit control X-Git-Tag: firefly_0821_release~176^2~1862^2~14^2~9^2~1 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1b5d0160e8f17db0714016a2550d3b1d65c70c3e;p=firefly-linux-kernel-4.4.55.git ASoC: rt5645: Use update_bits for bit control In codec bias level off, we need to disable gate mode with MCLK for power saving. It is set by one bit. We don't need to write while register for that. Signed-off-by: Bard Liao Signed-off-by: Mark Brown --- diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index f9edf09253d9..b6d5b9570efb 100644 --- a/sound/soc/codecs/rt5645.c +++ b/sound/soc/codecs/rt5645.c @@ -2396,7 +2396,8 @@ static int rt5645_set_bias_level(struct snd_soc_codec *codec, case SND_SOC_BIAS_OFF: snd_soc_write(codec, RT5645_DEPOP_M2, 0x1100); - snd_soc_write(codec, RT5645_GEN_CTRL1, 0x0128); + snd_soc_update_bits(codec, RT5645_GEN_CTRL1, + RT5645_DIG_GATE_CTRL, 0); snd_soc_update_bits(codec, RT5645_PWR_ANLG1, RT5645_PWR_VREF1 | RT5645_PWR_MB | RT5645_PWR_BG | RT5645_PWR_VREF2 |