diff options
Diffstat (limited to 'sound/soc/codecs/tas2562.c')
-rw-r--r-- | sound/soc/codecs/tas2562.c | 121 |
1 files changed, 44 insertions, 77 deletions
diff --git a/sound/soc/codecs/tas2562.c b/sound/soc/codecs/tas2562.c index 10302552195e..b486d0bd86c9 100644 --- a/sound/soc/codecs/tas2562.c +++ b/sound/soc/codecs/tas2562.c @@ -54,6 +54,8 @@ struct tas2562_data { int i_sense_slot; int volume_lvl; int model_id; + bool dac_powered; + bool unmuted; }; enum tas256x_model { @@ -63,39 +65,6 @@ enum tas256x_model { TAS2110, }; -static int tas2562_set_bias_level(struct snd_soc_component *component, - enum snd_soc_bias_level level) -{ - struct tas2562_data *tas2562 = - snd_soc_component_get_drvdata(component); - - switch (level) { - case SND_SOC_BIAS_ON: - snd_soc_component_update_bits(component, - TAS2562_PWR_CTRL, - TAS2562_MODE_MASK, TAS2562_ACTIVE); - break; - case SND_SOC_BIAS_STANDBY: - case SND_SOC_BIAS_PREPARE: - snd_soc_component_update_bits(component, - TAS2562_PWR_CTRL, - TAS2562_MODE_MASK, TAS2562_MUTE); - break; - case SND_SOC_BIAS_OFF: - snd_soc_component_update_bits(component, - TAS2562_PWR_CTRL, - TAS2562_MODE_MASK, TAS2562_SHUTDOWN); - break; - - default: - dev_err(tas2562->dev, - "wrong power level setting %d\n", level); - return -EINVAL; - } - - return 0; -} - static int tas2562_set_samplerate(struct tas2562_data *tas2562, int samplerate) { int samp_rate; @@ -384,30 +353,43 @@ static int tas2562_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) return 0; } +static int tas2562_update_pwr_ctrl(struct tas2562_data *tas2562) +{ + struct snd_soc_component *component = tas2562->component; + unsigned int val; + int ret; + + if (tas2562->dac_powered) + val = tas2562->unmuted ? + TAS2562_ACTIVE : TAS2562_MUTE; + else + val = TAS2562_SHUTDOWN; + + ret = snd_soc_component_update_bits(component, TAS2562_PWR_CTRL, + TAS2562_MODE_MASK, val); + if (ret < 0) + return ret; + + return 0; +} + static int tas2562_mute(struct snd_soc_dai *dai, int mute, int direction) { - struct snd_soc_component *component = dai->component; + struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(dai->component); - return snd_soc_component_update_bits(component, TAS2562_PWR_CTRL, - TAS2562_MODE_MASK, - mute ? TAS2562_MUTE : 0); + tas2562->unmuted = !mute; + return tas2562_update_pwr_ctrl(tas2562); } static int tas2562_codec_probe(struct snd_soc_component *component) { struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component); - int ret; tas2562->component = component; if (tas2562->sdz_gpio) gpiod_set_value_cansleep(tas2562->sdz_gpio, 1); - ret = snd_soc_component_update_bits(component, TAS2562_PWR_CTRL, - TAS2562_MODE_MASK, TAS2562_MUTE); - if (ret < 0) - return ret; - return 0; } @@ -457,35 +439,23 @@ static int tas2562_dac_event(struct snd_soc_dapm_widget *w, struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component); - int ret; + int ret = 0; switch (event) { case SND_SOC_DAPM_POST_PMU: - ret = snd_soc_component_update_bits(component, - TAS2562_PWR_CTRL, - TAS2562_MODE_MASK, - TAS2562_MUTE); - if (ret) - goto end; + tas2562->dac_powered = true; + ret = tas2562_update_pwr_ctrl(tas2562); break; case SND_SOC_DAPM_PRE_PMD: - ret = snd_soc_component_update_bits(component, - TAS2562_PWR_CTRL, - TAS2562_MODE_MASK, - TAS2562_SHUTDOWN); - if (ret) - goto end; + tas2562->dac_powered = false; + ret = tas2562_update_pwr_ctrl(tas2562); break; default: dev_err(tas2562->dev, "Not supported evevt\n"); return -EINVAL; } -end: - if (ret < 0) - return ret; - - return 0; + return ret; } static int tas2562_volume_control_get(struct snd_kcontrol *kcontrol, @@ -579,7 +549,6 @@ static const struct snd_soc_component_driver soc_component_dev_tas2110 = { .probe = tas2562_codec_probe, .suspend = tas2562_suspend, .resume = tas2562_resume, - .set_bias_level = tas2562_set_bias_level, .controls = tas2562_snd_controls, .num_controls = ARRAY_SIZE(tas2562_snd_controls), .dapm_widgets = tas2110_dapm_widgets, @@ -589,7 +558,6 @@ static const struct snd_soc_component_driver soc_component_dev_tas2110 = { .idle_bias_on = 1, .use_pmdown_time = 1, .endianness = 1, - .non_legacy_dai_naming = 1, }; static const struct snd_soc_dapm_widget tas2562_dapm_widgets[] = { @@ -619,7 +587,6 @@ static const struct snd_soc_component_driver soc_component_dev_tas2562 = { .probe = tas2562_codec_probe, .suspend = tas2562_suspend, .resume = tas2562_resume, - .set_bias_level = tas2562_set_bias_level, .controls = tas2562_snd_controls, .num_controls = ARRAY_SIZE(tas2562_snd_controls), .dapm_widgets = tas2562_dapm_widgets, @@ -629,7 +596,6 @@ static const struct snd_soc_component_driver soc_component_dev_tas2562 = { .idle_bias_on = 1, .use_pmdown_time = 1, .endianness = 1, - .non_legacy_dai_naming = 1, }; static const struct snd_soc_dai_ops tas2562_speaker_dai_ops = { @@ -754,17 +720,27 @@ static int tas2562_parse_dt(struct tas2562_data *tas2562) return ret; } -static int tas2562_probe(struct i2c_client *client, - const struct i2c_device_id *id) +static const struct i2c_device_id tas2562_id[] = { + { "tas2562", TAS2562 }, + { "tas2563", TAS2563 }, + { "tas2564", TAS2564 }, + { "tas2110", TAS2110 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, tas2562_id); + +static int tas2562_probe(struct i2c_client *client) { struct device *dev = &client->dev; struct tas2562_data *data; int ret; + const struct i2c_device_id *id; data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; + id = i2c_match_id(tas2562_id, client); data->client = client; data->dev = &client->dev; data->model_id = id->driver_data; @@ -792,15 +768,6 @@ static int tas2562_probe(struct i2c_client *client, } -static const struct i2c_device_id tas2562_id[] = { - { "tas2562", TAS2562 }, - { "tas2563", TAS2563 }, - { "tas2564", TAS2564 }, - { "tas2110", TAS2110 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, tas2562_id); - #ifdef CONFIG_OF static const struct of_device_id tas2562_of_match[] = { { .compatible = "ti,tas2562", }, @@ -817,7 +784,7 @@ static struct i2c_driver tas2562_i2c_driver = { .name = "tas2562", .of_match_table = of_match_ptr(tas2562_of_match), }, - .probe = tas2562_probe, + .probe_new = tas2562_probe, .id_table = tas2562_id, }; |