diff options
Diffstat (limited to 'sound/soc/codecs/rt5659.c')
-rw-r--r-- | sound/soc/codecs/rt5659.c | 41 |
1 files changed, 35 insertions, 6 deletions
diff --git a/sound/soc/codecs/rt5659.c b/sound/soc/codecs/rt5659.c index 1b30914c2d91..db54550aed60 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, |