We can sleect the i2s clock source for each i2s bus in master mode. The choice is depended on the HW design and the use case.
Signed-off-by: Bard Liao bardliao@realtek.com --- sound/soc/codecs/rt5665.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/sound/soc/codecs/rt5665.c b/sound/soc/codecs/rt5665.c index ef27561..7e64b25 100644 --- a/sound/soc/codecs/rt5665.c +++ b/sound/soc/codecs/rt5665.c @@ -1381,6 +1381,16 @@ static void rt5665_jack_detect_handler(struct work_struct *work) mutex_unlock(&rt5665->calibrate_mutex); }
+static const char * const rt5665_clk_sync[] = { + "I2S1_1", "I2S1_2", "I2S2", "I2S3", "IF2 Slave", "IF3 Slave" +}; + +static const struct soc_enum rt5665_enum[] = { + SOC_ENUM_SINGLE(RT5665_I2S1_SDP, 11, 5, rt5665_clk_sync), + SOC_ENUM_SINGLE(RT5665_I2S2_SDP, 11, 5, rt5665_clk_sync), + SOC_ENUM_SINGLE(RT5665_I2S3_SDP, 11, 5, rt5665_clk_sync), +}; + static const struct snd_kcontrol_new rt5665_snd_controls[] = { /* Headphone Output Volume */ SOC_DOUBLE_R_EXT_TLV("Headphone Playback Volume", RT5665_HPL_GAIN, @@ -1446,6 +1456,11 @@ static const struct snd_kcontrol_new rt5665_snd_controls[] = { SOC_DOUBLE_TLV("STO2 ADC Boost Gain Volume", RT5665_STO2_ADC_BOOST, RT5665_STO2_ADC_L_BST_SFT, RT5665_STO2_ADC_R_BST_SFT, 3, 0, adc_bst_tlv), + + /* I2S3 CLK Source */ + SOC_ENUM("I2S1 Master Clk Sel", rt5665_enum[0]), + SOC_ENUM("I2S2 Master Clk Sel", rt5665_enum[1]), + SOC_ENUM("I2S3 Master Clk Sel", rt5665_enum[2]), };
/**