From 16ab6e18c60927e5a9e756c384a1ed7bd9f40871 Mon Sep 17 00:00:00 2001 From: Bard Liao Date: Tue, 28 Apr 2015 11:27:40 +0800 Subject: [PATCH] ASoC: rt5677: add i2s asrc clk src selection The ASRC source of i2s are also configurable. We add the selection in the existing rt5677_sel_asrc_clk_src API. Signed-off-by: Bard Liao Signed-off-by: Mark Brown --- sound/soc/codecs/rt5677.c | 30 ++++++++++++++++++++++++++++++ sound/soc/codecs/rt5677.h | 14 ++++++++++++++ 2 files changed, 44 insertions(+) diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c index af18258..331e638 100644 --- a/sound/soc/codecs/rt5677.c +++ b/sound/soc/codecs/rt5677.c @@ -1057,6 +1057,7 @@ int rt5677_sel_asrc_clk_src(struct snd_soc_codec *codec, unsigned int asrc5_mask = 0, asrc5_value = 0; unsigned int asrc6_mask = 0, asrc6_value = 0; unsigned int asrc7_mask = 0, asrc7_value = 0; + unsigned int asrc8_mask = 0, asrc8_value = 0; switch (clk_src) { case RT5677_CLK_SEL_SYS: @@ -1193,6 +1194,35 @@ int rt5677_sel_asrc_clk_src(struct snd_soc_codec *codec, regmap_update_bits(rt5677->regmap, RT5677_ASRC_7, asrc7_mask, asrc7_value); + /* ASRC 8 */ + if (filter_mask & RT5677_I2S1_SOURCE) { + asrc8_mask |= RT5677_I2S1_CLK_SEL_MASK; + asrc8_value = (asrc8_value & ~RT5677_I2S1_CLK_SEL_MASK) + | ((clk_src - 1) << RT5677_I2S1_CLK_SEL_SFT); + } + + if (filter_mask & RT5677_I2S2_SOURCE) { + asrc8_mask |= RT5677_I2S2_CLK_SEL_MASK; + asrc8_value = (asrc8_value & ~RT5677_I2S2_CLK_SEL_MASK) + | ((clk_src - 1) << RT5677_I2S2_CLK_SEL_SFT); + } + + if (filter_mask & RT5677_I2S3_SOURCE) { + asrc8_mask |= RT5677_I2S3_CLK_SEL_MASK; + asrc8_value = (asrc8_value & ~RT5677_I2S3_CLK_SEL_MASK) + | ((clk_src - 1) << RT5677_I2S3_CLK_SEL_SFT); + } + + if (filter_mask & RT5677_I2S4_SOURCE) { + asrc8_mask |= RT5677_I2S4_CLK_SEL_MASK; + asrc8_value = (asrc8_value & ~RT5677_I2S4_CLK_SEL_MASK) + | ((clk_src - 1) << RT5677_I2S4_CLK_SEL_SFT); + } + + if (asrc8_mask) + regmap_update_bits(rt5677->regmap, RT5677_ASRC_8, asrc8_mask, + asrc8_value); + return 0; } EXPORT_SYMBOL_GPL(rt5677_sel_asrc_clk_src); diff --git a/sound/soc/codecs/rt5677.h b/sound/soc/codecs/rt5677.h index 9dceb41..62571d0 100644 --- a/sound/soc/codecs/rt5677.h +++ b/sound/soc/codecs/rt5677.h @@ -1446,6 +1446,16 @@ #define RT5677_DSP_OB_4_7_CLK_SEL_MASK (0xf << 8) #define RT5677_DSP_OB_4_7_CLK_SEL_SFT 8 +/* ASRC Control 8 (0x8a) */ +#define RT5677_I2S1_CLK_SEL_MASK (0xf << 12) +#define RT5677_I2S1_CLK_SEL_SFT 12 +#define RT5677_I2S2_CLK_SEL_MASK (0xf << 8) +#define RT5677_I2S2_CLK_SEL_SFT 8 +#define RT5677_I2S3_CLK_SEL_MASK (0xf << 4) +#define RT5677_I2S3_CLK_SEL_SFT 4 +#define RT5677_I2S4_CLK_SEL_MASK (0xf) +#define RT5677_I2S4_CLK_SEL_SFT 0 + /* VAD Function Control 4 (0x9f) */ #define RT5677_VAD_SRC_MASK (0x7 << 8) #define RT5677_VAD_SRC_SFT 8 @@ -1744,6 +1754,10 @@ enum { RT5677_AD_MONO_R_FILTER = (0x1 << 12), RT5677_DSP_OB_0_3_FILTER = (0x1 << 13), RT5677_DSP_OB_4_7_FILTER = (0x1 << 14), + RT5677_I2S1_SOURCE = (0x1 << 15), + RT5677_I2S2_SOURCE = (0x1 << 16), + RT5677_I2S3_SOURCE = (0x1 << 17), + RT5677_I2S4_SOURCE = (0x1 << 18), }; struct rt5677_priv { -- 2.7.4