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authorBard Liao <bardliao@realtek.com>2016-10-17 14:14:04 +0300
committerMark Brown <broonie@kernel.org>2016-10-24 20:31:23 +0300
commit25fb7062484a219174baab0761e06bbfd8fa3b07 (patch)
tree2a0a278fce1a8ef09865fa5d17a38a230b9920f6 /sound/soc/codecs/rt5640.h
parent1001354ca34179f3db924eb66672442a173147dc (diff)
downloadlinux-25fb7062484a219174baab0761e06bbfd8fa3b07.tar.xz
ASoC: rt5640: enable MCLK detection
There is a power saving mechanism in rt5640. It will turn off some unused power when MCLK is not present. We call that "MCLK detection" and it should be enabled by default. Signed-off-by: Bard Liao <bardliao@realtek.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/rt5640.h')
-rw-r--r--sound/soc/codecs/rt5640.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt5640.h b/sound/soc/codecs/rt5640.h
index 90c88711c72a..22c017c58d5b 100644
--- a/sound/soc/codecs/rt5640.h
+++ b/sound/soc/codecs/rt5640.h
@@ -1970,6 +1970,8 @@
#define RT5640_ZCD_HP_DIS (0x0 << 15)
#define RT5640_ZCD_HP_EN (0x1 << 15)
+/* General Control 1 (0xfa) */
+#define RT5640_MCLK_DET (0x1 << 11)
/* Codec Private Register definition */
/* 3D Speaker Control (0x63) */