diff options
Diffstat (limited to 'sound/soc/codecs/rt5668.c')
| -rw-r--r-- | sound/soc/codecs/rt5668.c | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/sound/soc/codecs/rt5668.c b/sound/soc/codecs/rt5668.c index f626453f332b..8442dd09cfaf 100644 --- a/sound/soc/codecs/rt5668.c +++ b/sound/soc/codecs/rt5668.c @@ -799,49 +799,6 @@ static void rt5668_reset(struct regmap *regmap) regmap_write(regmap, RT5668_RESET, 0); regmap_write(regmap, RT5668_I2C_MODE, 1); } -/** - * rt5668_sel_asrc_clk_src - select ASRC clock source for a set of filters - * @component: SoC audio component device. - * @filter_mask: mask of filters. - * @clk_src: clock source - * - * The ASRC function is for asynchronous MCLK and LRCK. Also, since RT5668 can - * only support standard 32fs or 64fs i2s format, ASRC should be enabled to - * support special i2s clock format such as Intel's 100fs(100 * sampling rate). - * ASRC function will track i2s clock and generate a corresponding system clock - * for codec. This function provides an API to select the clock source for a - * set of filters specified by the mask. And the component driver will turn on - * ASRC for these filters if ASRC is selected as their clock source. - */ -int rt5668_sel_asrc_clk_src(struct snd_soc_component *component, - unsigned int filter_mask, unsigned int clk_src) -{ - - switch (clk_src) { - case RT5668_CLK_SEL_SYS: - case RT5668_CLK_SEL_I2S1_ASRC: - case RT5668_CLK_SEL_I2S2_ASRC: - break; - - default: - return -EINVAL; - } - - if (filter_mask & RT5668_DA_STEREO1_FILTER) { - snd_soc_component_update_bits(component, RT5668_PLL_TRACK_2, - RT5668_FILTER_CLK_SEL_MASK, - clk_src << RT5668_FILTER_CLK_SEL_SFT); - } - - if (filter_mask & RT5668_AD_STEREO1_FILTER) { - snd_soc_component_update_bits(component, RT5668_PLL_TRACK_3, - RT5668_FILTER_CLK_SEL_MASK, - clk_src << RT5668_FILTER_CLK_SEL_SFT); - } - - return 0; -} -EXPORT_SYMBOL_GPL(rt5668_sel_asrc_clk_src); static int rt5668_button_detect(struct snd_soc_component *component) { |