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Diffstat (limited to 'sound/soc/codecs/rt5659.c')
-rw-r--r--sound/soc/codecs/rt5659.c41
1 files changed, 35 insertions, 6 deletions
diff --git a/sound/soc/codecs/rt5659.c b/sound/soc/codecs/rt5659.c
index 1b30914..db54550 100644
--- a/sound/soc/codecs/rt5659.c
+++ b/sound/soc/codecs/rt5659.c
@@ -9,6 +9,7 @@
* published by the Free Software Foundation.
*/
+#include <linux/clk.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
@@ -3565,7 +3566,9 @@ static int rt5659_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
static int rt5659_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
+ struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
struct rt5659_priv *rt5659 = snd_soc_codec_get_drvdata(codec);
+ int ret;
switch (level) {
case SND_SOC_BIAS_PREPARE:
@@ -3582,6 +3585,17 @@ static int rt5659_set_bias_level(struct snd_soc_codec *codec,
RT5659_PWR_FV1 | RT5659_PWR_FV2);
break;
+ case SND_SOC_BIAS_STANDBY:
+ if (dapm->bias_level == SND_SOC_BIAS_OFF) {
+ ret = clk_prepare_enable(rt5659->mclk);
+ if (ret) {
+ dev_err(codec->dev,
+ "failed to enable MCLK: %d\n", ret);
+ return ret;
+ }
+ }
+ break;
+
case SND_SOC_BIAS_OFF:
regmap_update_bits(rt5659->regmap, RT5659_PWR_DIG_1,
RT5659_PWR_LDO, 0);
@@ -3591,6 +3605,7 @@ static int rt5659_set_bias_level(struct snd_soc_codec *codec,
RT5659_PWR_MB | RT5659_PWR_VREF2);
regmap_update_bits(rt5659->regmap, RT5659_DIG_MISC,
RT5659_DIG_GATE_CTRL, 0);
+ clk_disable_unprepare(rt5659->mclk);
break;
default:
@@ -3722,12 +3737,14 @@ static struct snd_soc_codec_driver soc_codec_dev_rt5659 = {
.resume = rt5659_resume,
.set_bias_level = rt5659_set_bias_level,
.idle_bias_off = true,
- .controls = rt5659_snd_controls,
- .num_controls = ARRAY_SIZE(rt5659_snd_controls),
- .dapm_widgets = rt5659_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(rt5659_dapm_widgets),
- .dapm_routes = rt5659_dapm_routes,
- .num_dapm_routes = ARRAY_SIZE(rt5659_dapm_routes),
+ .component_driver = {
+ .controls = rt5659_snd_controls,
+ .num_controls = ARRAY_SIZE(rt5659_snd_controls),
+ .dapm_widgets = rt5659_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(rt5659_dapm_widgets),
+ .dapm_routes = rt5659_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(rt5659_dapm_routes),
+ },
};
@@ -4020,6 +4037,15 @@ static int rt5659_i2c_probe(struct i2c_client *i2c,
regmap_write(rt5659->regmap, RT5659_RESET, 0);
+ /* Check if MCLK provided */
+ rt5659->mclk = devm_clk_get(&i2c->dev, "mclk");
+ if (IS_ERR(rt5659->mclk)) {
+ if (PTR_ERR(rt5659->mclk) != -ENOENT)
+ return PTR_ERR(rt5659->mclk);
+ /* Otherwise mark the mclk pointer to NULL */
+ rt5659->mclk = NULL;
+ }
+
rt5659_calibrate(rt5659);
/* line in diff mode*/
@@ -4163,6 +4189,9 @@ static int rt5659_i2c_probe(struct i2c_client *i2c,
if (ret)
dev_err(&i2c->dev, "Failed to reguest IRQ: %d\n", ret);
+ /* Enable IRQ output for GPIO1 pin any way */
+ regmap_update_bits(rt5659->regmap, RT5659_GPIO_CTRL_1,
+ RT5659_GP1_PIN_MASK, RT5659_GP1_PIN_IRQ);
}
return snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt5659,
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