From 9a74c44a6f675e4e991437eee39496109b601629 Mon Sep 17 00:00:00 2001
From: Oder Chiou <oder_chiou@realtek.com>
Date: Mon, 23 Mar 2020 16:25:45 +0800
Subject: [PATCH] ASoC: rt5682: Add a property for DMIC clock rate
Git-commit: 9a74c44a6f675e4e991437eee39496109b601629
Patch-mainline: v5.7-rc1
References: jsc#SLE-16518
The patch adds a property for DMIC clock rate (hz) and changes the
default to the common optimize DMIC clock rate.
Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Link: https://lore.kernel.org/r/20200323082547.7898-1-oder_chiou@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
include/sound/rt5682.h | 1 +
sound/soc/codecs/rt5682.c | 9 +++++++--
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/include/sound/rt5682.h b/include/sound/rt5682.h
index 6bf0e3581056..96b268ac96bd 100644
--- a/include/sound/rt5682.h
+++ b/include/sound/rt5682.h
@@ -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];
};
diff --git a/sound/soc/codecs/rt5682.c b/sound/soc/codecs/rt5682.c
index 513429478d27..cc00d47895b5 100644
--- a/sound/soc/codecs/rt5682.c
+++ b/sound/soc/codecs/rt5682.c
@@ -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);
--
2.16.4