From 49d92c7d5bbd158734bc34ed578a68b214a48583 Mon Sep 17 00:00:00 2001 From: "Stanley.Miao" Date: Thu, 11 Dec 2008 23:28:10 +0800 Subject: ASoC: TWL4030: hands-free start-up sequence. A special start-up sequence is required to reduce the pop-noise of Class D amplifier when enable hands-free on TWL4030. Signed-off-by: Stanley.Miao Signed-off-by: Mark Brown --- sound/soc/codecs/twl4030.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'sound/soc/codecs/twl4030.h') diff --git a/sound/soc/codecs/twl4030.h b/sound/soc/codecs/twl4030.h index a2065d417c2..54615c76802 100644 --- a/sound/soc/codecs/twl4030.h +++ b/sound/soc/codecs/twl4030.h @@ -191,6 +191,12 @@ #define TWL4030_RAMP_DELAY_2581MS 0x1C #define TWL4030_RAMP_EN 0x02 +/* HFL_CTL (0x29, 0x2A) Fields */ +#define TWL4030_HF_CTL_HB_EN 0x04 +#define TWL4030_HF_CTL_LOOP_EN 0x08 +#define TWL4030_HF_CTL_RAMP_EN 0x10 +#define TWL4030_HF_CTL_REF_EN 0x20 + /* APLL_CTL (0x3A) Fields */ #define TWL4030_APLL_EN 0x10 -- cgit v1.2.3-18-g5258