[PATCH] ASoC: rt5682: move clk related code to rt5682_i2c_probe
Jack Yu
jack.yu at realtek.com
Wed Sep 29 07:43:44 CEST 2021
The DAI clock is only used in I2S mode, to make it clear
and to fix clock resource release issue, we move CCF clock
related code to rt5682_i2c_probe to fix clock
register/unregister issue.
Signed-off-by: Jack Yu <jack.yu at realtek.com>
---
sound/soc/codecs/rt5682-i2c.c | 22 +++++++++++
sound/soc/codecs/rt5682.c | 70 +++++++++++++----------------------
sound/soc/codecs/rt5682.h | 3 ++
3 files changed, 51 insertions(+), 44 deletions(-)
diff --git a/sound/soc/codecs/rt5682-i2c.c b/sound/soc/codecs/rt5682-i2c.c
index b9d5d7a0975b..a30e42932cf7 100644
--- a/sound/soc/codecs/rt5682-i2c.c
+++ b/sound/soc/codecs/rt5682-i2c.c
@@ -139,6 +139,8 @@ static int rt5682_i2c_probe(struct i2c_client *i2c,
i2c_set_clientdata(i2c, rt5682);
+ rt5682->i2c_dev = &i2c->dev;
+
rt5682->pdata = i2s_default_platform_data;
if (pdata)
@@ -276,6 +278,26 @@ static int rt5682_i2c_probe(struct i2c_client *i2c,
dev_err(&i2c->dev, "Failed to reguest IRQ: %d\n", ret);
}
+#ifdef CONFIG_COMMON_CLK
+ /* Check if MCLK provided */
+ rt5682->mclk = devm_clk_get(&i2c->dev, "mclk");
+ if (IS_ERR(rt5682->mclk)) {
+ if (PTR_ERR(rt5682->mclk) != -ENOENT) {
+ ret = PTR_ERR(rt5682->mclk);
+ return ret;
+ }
+ rt5682->mclk = NULL;
+ }
+
+ /* Register CCF DAI clock control */
+ ret = rt5682_register_dai_clks(rt5682);
+ if (ret)
+ return ret;
+
+ /* Initial setup for CCF */
+ rt5682->lrck[RT5682_AIF1] = 48000;
+#endif
+
return devm_snd_soc_register_component(&i2c->dev,
&rt5682_soc_component_dev,
rt5682_dai, ARRAY_SIZE(rt5682_dai));
diff --git a/sound/soc/codecs/rt5682.c b/sound/soc/codecs/rt5682.c
index 12113c2dcae2..914fe7debc05 100644
--- a/sound/soc/codecs/rt5682.c
+++ b/sound/soc/codecs/rt5682.c
@@ -2510,7 +2510,7 @@ static int rt5682_set_bias_level(struct snd_soc_component *component,
static bool rt5682_clk_check(struct rt5682_priv *rt5682)
{
if (!rt5682->master[RT5682_AIF1]) {
- dev_dbg(rt5682->component->dev, "sysclk/dai not set correctly\n");
+ dev_dbg(rt5682->i2c_dev, "sysclk/dai not set correctly\n");
return false;
}
return true;
@@ -2521,13 +2521,15 @@ static int rt5682_wclk_prepare(struct clk_hw *hw)
struct rt5682_priv *rt5682 =
container_of(hw, struct rt5682_priv,
dai_clks_hw[RT5682_DAI_WCLK_IDX]);
- struct snd_soc_component *component = rt5682->component;
- struct snd_soc_dapm_context *dapm =
- snd_soc_component_get_dapm(component);
+ struct snd_soc_component *component;
+ struct snd_soc_dapm_context *dapm;
if (!rt5682_clk_check(rt5682))
return -EINVAL;
+ component = rt5682->component;
+ dapm = snd_soc_component_get_dapm(component);
+
snd_soc_dapm_mutex_lock(dapm);
snd_soc_dapm_force_enable_pin_unlocked(dapm, "MICBIAS");
@@ -2557,13 +2559,15 @@ static void rt5682_wclk_unprepare(struct clk_hw *hw)
struct rt5682_priv *rt5682 =
container_of(hw, struct rt5682_priv,
dai_clks_hw[RT5682_DAI_WCLK_IDX]);
- struct snd_soc_component *component = rt5682->component;
- struct snd_soc_dapm_context *dapm =
- snd_soc_component_get_dapm(component);
+ struct snd_soc_component *component;
+ struct snd_soc_dapm_context *dapm;
if (!rt5682_clk_check(rt5682))
return;
+ component = rt5682->component;
+ dapm = snd_soc_component_get_dapm(component);
+
snd_soc_dapm_mutex_lock(dapm);
snd_soc_dapm_disable_pin_unlocked(dapm, "MICBIAS");
@@ -2587,7 +2591,6 @@ static unsigned long rt5682_wclk_recalc_rate(struct clk_hw *hw,
struct rt5682_priv *rt5682 =
container_of(hw, struct rt5682_priv,
dai_clks_hw[RT5682_DAI_WCLK_IDX]);
- struct snd_soc_component *component = rt5682->component;
const char * const clk_name = clk_hw_get_name(hw);
if (!rt5682_clk_check(rt5682))
@@ -2597,7 +2600,7 @@ static unsigned long rt5682_wclk_recalc_rate(struct clk_hw *hw,
*/
if (rt5682->lrck[RT5682_AIF1] != CLK_48 &&
rt5682->lrck[RT5682_AIF1] != CLK_44) {
- dev_warn(component->dev, "%s: clk %s only support %d or %d Hz output\n",
+ dev_warn(rt5682->i2c_dev, "%s: clk %s only support %d or %d Hz output\n",
__func__, clk_name, CLK_44, CLK_48);
return 0;
}
@@ -2611,7 +2614,6 @@ static long rt5682_wclk_round_rate(struct clk_hw *hw, unsigned long rate,
struct rt5682_priv *rt5682 =
container_of(hw, struct rt5682_priv,
dai_clks_hw[RT5682_DAI_WCLK_IDX]);
- struct snd_soc_component *component = rt5682->component;
const char * const clk_name = clk_hw_get_name(hw);
if (!rt5682_clk_check(rt5682))
@@ -2621,7 +2623,7 @@ static long rt5682_wclk_round_rate(struct clk_hw *hw, unsigned long rate,
* It will force to 48kHz if not both.
*/
if (rate != CLK_48 && rate != CLK_44) {
- dev_warn(component->dev, "%s: clk %s only support %d or %d Hz output\n",
+ dev_warn(rt5682->i2c_dev, "%s: clk %s only support %d or %d Hz output\n",
__func__, clk_name, CLK_44, CLK_48);
rate = CLK_48;
}
@@ -2635,7 +2637,7 @@ static int rt5682_wclk_set_rate(struct clk_hw *hw, unsigned long rate,
struct rt5682_priv *rt5682 =
container_of(hw, struct rt5682_priv,
dai_clks_hw[RT5682_DAI_WCLK_IDX]);
- struct snd_soc_component *component = rt5682->component;
+ struct snd_soc_component *component;
struct clk_hw *parent_hw;
const char * const clk_name = clk_hw_get_name(hw);
int pre_div;
@@ -2644,6 +2646,8 @@ static int rt5682_wclk_set_rate(struct clk_hw *hw, unsigned long rate,
if (!rt5682_clk_check(rt5682))
return -EINVAL;
+ component = rt5682->component;
+
/*
* Whether the wclk's parent clk (mclk) exists or not, please ensure
* it is fixed or set to 48MHz before setting wclk rate. It's a
@@ -2653,12 +2657,12 @@ static int rt5682_wclk_set_rate(struct clk_hw *hw, unsigned long rate,
*/
parent_hw = clk_hw_get_parent(hw);
if (!parent_hw)
- dev_warn(component->dev,
+ dev_warn(rt5682->i2c_dev,
"Parent mclk of wclk not acquired in driver. Please ensure mclk was provided as %d Hz.\n",
CLK_PLL2_FIN);
if (parent_rate != CLK_PLL2_FIN)
- dev_warn(component->dev, "clk %s only support %d Hz input\n",
+ dev_warn(rt5682->i2c_dev, "clk %s only support %d Hz input\n",
clk_name, CLK_PLL2_FIN);
/*
@@ -2690,10 +2694,9 @@ static unsigned long rt5682_bclk_recalc_rate(struct clk_hw *hw,
struct rt5682_priv *rt5682 =
container_of(hw, struct rt5682_priv,
dai_clks_hw[RT5682_DAI_BCLK_IDX]);
- struct snd_soc_component *component = rt5682->component;
unsigned int bclks_per_wclk;
- bclks_per_wclk = snd_soc_component_read(component, RT5682_TDM_TCON_CTRL);
+ regmap_read(rt5682->regmap, RT5682_TDM_TCON_CTRL, &bclks_per_wclk);
switch (bclks_per_wclk & RT5682_TDM_BCLK_MS1_MASK) {
case RT5682_TDM_BCLK_MS1_256:
@@ -2754,20 +2757,22 @@ static int rt5682_bclk_set_rate(struct clk_hw *hw, unsigned long rate,
struct rt5682_priv *rt5682 =
container_of(hw, struct rt5682_priv,
dai_clks_hw[RT5682_DAI_BCLK_IDX]);
- struct snd_soc_component *component = rt5682->component;
+ struct snd_soc_component *component;
struct snd_soc_dai *dai;
unsigned long factor;
if (!rt5682_clk_check(rt5682))
return -EINVAL;
+ component = rt5682->component;
+
factor = rt5682_bclk_get_factor(rate, parent_rate);
for_each_component_dais(component, dai)
if (dai->id == RT5682_AIF1)
break;
if (!dai) {
- dev_err(component->dev, "dai %d not found in component\n",
+ dev_err(rt5682->i2c_dev, "dai %d not found in component\n",
RT5682_AIF1);
return -ENODEV;
}
@@ -2790,10 +2795,9 @@ static const struct clk_ops rt5682_dai_clk_ops[RT5682_DAI_NUM_CLKS] = {
},
};
-static int rt5682_register_dai_clks(struct snd_soc_component *component)
+int rt5682_register_dai_clks(struct rt5682_priv *rt5682)
{
- struct device *dev = component->dev;
- struct rt5682_priv *rt5682 = snd_soc_component_get_drvdata(component);
+ struct device *dev = rt5682->i2c_dev;
struct rt5682_platform_data *pdata = &rt5682->pdata;
struct clk_hw *dai_clk_hw;
int i, ret;
@@ -2851,6 +2855,7 @@ static int rt5682_register_dai_clks(struct snd_soc_component *component)
return 0;
}
+EXPORT_SYMBOL_GPL(rt5682_register_dai_clks);
#endif /* CONFIG_COMMON_CLK */
static int rt5682_probe(struct snd_soc_component *component)
@@ -2860,9 +2865,6 @@ static int rt5682_probe(struct snd_soc_component *component)
unsigned long time;
struct snd_soc_dapm_context *dapm = &component->dapm;
-#ifdef CONFIG_COMMON_CLK
- int ret;
-#endif
rt5682->component = component;
if (rt5682->is_sdw) {
@@ -2874,26 +2876,6 @@ static int rt5682_probe(struct snd_soc_component *component)
dev_err(&slave->dev, "Initialization not complete, timed out\n");
return -ETIMEDOUT;
}
- } else {
-#ifdef CONFIG_COMMON_CLK
- /* Check if MCLK provided */
- rt5682->mclk = devm_clk_get(component->dev, "mclk");
- if (IS_ERR(rt5682->mclk)) {
- if (PTR_ERR(rt5682->mclk) != -ENOENT) {
- ret = PTR_ERR(rt5682->mclk);
- return ret;
- }
- rt5682->mclk = NULL;
- }
-
- /* Register CCF DAI clock control */
- ret = rt5682_register_dai_clks(component);
- if (ret)
- return ret;
-
- /* Initial setup for CCF */
- rt5682->lrck[RT5682_AIF1] = CLK_48;
-#endif
}
snd_soc_dapm_disable_pin(dapm, "MICBIAS");
diff --git a/sound/soc/codecs/rt5682.h b/sound/soc/codecs/rt5682.h
index b59221048ebf..262512babc50 100644
--- a/sound/soc/codecs/rt5682.h
+++ b/sound/soc/codecs/rt5682.h
@@ -1408,6 +1408,7 @@ enum {
struct rt5682_priv {
struct snd_soc_component *component;
+ struct device *i2c_dev;
struct rt5682_platform_data pdata;
struct regmap *regmap;
struct regmap *sdw_regmap;
@@ -1462,6 +1463,8 @@ void rt5682_calibrate(struct rt5682_priv *rt5682);
void rt5682_reset(struct rt5682_priv *rt5682);
int rt5682_parse_dt(struct rt5682_priv *rt5682, struct device *dev);
+int rt5682_register_dai_clks(struct rt5682_priv *rt5682);
+
#define RT5682_REG_NUM 318
extern const struct reg_default rt5682_reg[RT5682_REG_NUM];
--
2.33.0
More information about the Alsa-devel
mailing list