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Commit 8bfa4268 authored by Bard Liao's avatar Bard Liao Committed by Mark Brown
Browse files

ASoC: rt5665: add clock sync control for master mode 



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: default avatarBard Liao <bardliao@realtek.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 01dfb1ec

sound/soc/codecs/rt5665.c

+15 −0
Original line number Diff line number Diff line
@@ -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]),

};



/**