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>
diff --git a/sound/soc/codecs/rt5640.h b/sound/soc/codecs/rt5640.h
index 90c8871..22c017c 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) */