Unverified Commit 9a74c44a authored by Oder Chiou's avatar Oder Chiou Committed by Mark Brown
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ASoC: rt5682: Add a property for DMIC clock rate 



The patch adds a property for DMIC clock rate (hz) and changes the
default to the common optimize DMIC clock rate.

Signed-off-by: default avatarOder Chiou <oder_chiou@realtek.com>
Link: https://lore.kernel.org/r/20200323082547.7898-1-oder_chiou@realtek.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent bc765162

include/sound/rt5682.h

+1 −0
Original line number Diff line number Diff line
@@ -38,6 +38,7 @@ struct rt5682_platform_data { 
	enum rt5682_dmic1_clk_pin dmic1_clk_pin;

	enum rt5682_jd_src jd_src;

	unsigned int btndet_delay;

	unsigned int dmic_clk_rate;



	const char *dai_clk_names[RT5682_DAI_NUM_CLKS];

};

sound/soc/codecs/rt5682.c

+7 −2
Original line number Diff line number Diff line
@@ -1231,10 +1231,13 @@ static int set_dmic_clk(struct snd_soc_dapm_widget *w, 
	struct snd_soc_component *component =

		snd_soc_dapm_to_component(w->dapm);

	struct rt5682_priv *rt5682 = snd_soc_component_get_drvdata(component);

	int idx = -EINVAL;

	int idx = -EINVAL, dmic_clk_rate = 3072000;

	static const int div[] = {2, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128};



	idx = rt5682_div_sel(rt5682, 1500000, div, ARRAY_SIZE(div));

	if (rt5682->pdata.dmic_clk_rate)

		dmic_clk_rate = rt5682->pdata.dmic_clk_rate;



	idx = rt5682_div_sel(rt5682, dmic_clk_rate, div, ARRAY_SIZE(div));



	snd_soc_component_update_bits(component, RT5682_DMIC_CTRL_1,

		RT5682_DMIC_CLK_MASK, idx << RT5682_DMIC_CLK_SFT);
@@ -3231,6 +3234,8 @@ static int rt5682_parse_dt(struct rt5682_priv *rt5682, struct device *dev) 
		&rt5682->pdata.jd_src);

	device_property_read_u32(dev, "realtek,btndet-delay",

		&rt5682->pdata.btndet_delay);

	device_property_read_u32(dev, "realtek,dmic-clk-rate-hz",

		&rt5682->pdata.dmic_clk_rate);



	rt5682->pdata.ldo1_en = of_get_named_gpio(dev->of_node,

		"realtek,ldo1-en-gpios", 0);