From 006f367e38fb45e2f161c0f500c74449ae63e866 Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Tue, 27 Jan 2009 11:29:43 +0200 Subject: [PATCH] ASoC: TWL4030: Move the twl4030_power_up and _power_down function Move the twl4030_power_up and twl4030_power_down function earlier to facilitate the analog bypass implementation. Signed-off-by: Peter Ujfalusi Signed-off-by: Mark Brown --- sound/soc/codecs/twl4030.c | 85 +++++++++++++++++++++++----------------------- 1 file changed, 42 insertions(+), 43 deletions(-) diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c index 8fe059e..f985bef 100644 --- a/sound/soc/codecs/twl4030.c +++ b/sound/soc/codecs/twl4030.c @@ -184,6 +184,48 @@ static void twl4030_init_chip(struct snd_soc_codec *codec) } +static void twl4030_power_up(struct snd_soc_codec *codec) +{ + u8 anamicl, regmisc1, byte; + int i = 0; + + /* set CODECPDZ to turn on codec */ + twl4030_codec_enable(codec, 1); + + /* initiate offset cancellation */ + anamicl = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICL); + twl4030_write(codec, TWL4030_REG_ANAMICL, + anamicl | TWL4030_CNCL_OFFSET_START); + + /* wait for offset cancellation to complete */ + do { + /* this takes a little while, so don't slam i2c */ + udelay(2000); + twl4030_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte, + TWL4030_REG_ANAMICL); + } while ((i++ < 100) && + ((byte & TWL4030_CNCL_OFFSET_START) == + TWL4030_CNCL_OFFSET_START)); + + /* Make sure that the reg_cache has the same value as the HW */ + twl4030_write_reg_cache(codec, TWL4030_REG_ANAMICL, byte); + + /* anti-pop when changing analog gain */ + regmisc1 = twl4030_read_reg_cache(codec, TWL4030_REG_MISC_SET_1); + twl4030_write(codec, TWL4030_REG_MISC_SET_1, + regmisc1 | TWL4030_SMOOTH_ANAVOL_EN); + + /* toggle CODECPDZ as per TRM */ + twl4030_codec_enable(codec, 0); + twl4030_codec_enable(codec, 1); +} + +static void twl4030_power_down(struct snd_soc_codec *codec) +{ + /* power down */ + twl4030_codec_enable(codec, 0); +} + /* Earpiece */ static const char *twl4030_earpiece_texts[] = {"Off", "DACL1", "DACL2", "DACR1"}; @@ -922,49 +964,6 @@ static int twl4030_add_widgets(struct snd_soc_codec *codec) return 0; } -static void twl4030_power_up(struct snd_soc_codec *codec) -{ - u8 anamicl, regmisc1, byte; - int i = 0; - - /* set CODECPDZ to turn on codec */ - twl4030_codec_enable(codec, 1); - - /* initiate offset cancellation */ - anamicl = twl4030_read_reg_cache(codec, TWL4030_REG_ANAMICL); - twl4030_write(codec, TWL4030_REG_ANAMICL, - anamicl | TWL4030_CNCL_OFFSET_START); - - - /* wait for offset cancellation to complete */ - do { - /* this takes a little while, so don't slam i2c */ - udelay(2000); - twl4030_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte, - TWL4030_REG_ANAMICL); - } while ((i++ < 100) && - ((byte & TWL4030_CNCL_OFFSET_START) == - TWL4030_CNCL_OFFSET_START)); - - /* Make sure that the reg_cache has the same value as the HW */ - twl4030_write_reg_cache(codec, TWL4030_REG_ANAMICL, byte); - - /* anti-pop when changing analog gain */ - regmisc1 = twl4030_read_reg_cache(codec, TWL4030_REG_MISC_SET_1); - twl4030_write(codec, TWL4030_REG_MISC_SET_1, - regmisc1 | TWL4030_SMOOTH_ANAVOL_EN); - - /* toggle CODECPDZ as per TRM */ - twl4030_codec_enable(codec, 0); - twl4030_codec_enable(codec, 1); -} - -static void twl4030_power_down(struct snd_soc_codec *codec) -{ - /* power down */ - twl4030_codec_enable(codec, 0); -} - static int twl4030_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { -- 2.7.4