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| author | Stanley.Miao <stanley.miao@windriver.com> | 2008-12-11 23:28:10 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2008-12-11 16:12:22 +0000 |
| commit | 49d92c7d5bbd158734bc34ed578a68b214a48583 (patch) | |
| tree | 99f3b1be80b7c27a10e8204d24c03b3bec243513 /sound/soc/codecs/twl4030.h | |
| parent | 4544f8a22f38ba4560320fcfbe8c7e81562ddc6f (diff) | |
| download | talos-op-linux-49d92c7d5bbd158734bc34ed578a68b214a48583.tar.gz talos-op-linux-49d92c7d5bbd158734bc34ed578a68b214a48583.zip | |
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 <stanley.miao@windriver.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/twl4030.h')
| -rw-r--r-- | sound/soc/codecs/twl4030.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/soc/codecs/twl4030.h b/sound/soc/codecs/twl4030.h index a2065d417c2e..54615c76802b 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 |
