diff options
Diffstat (limited to 'sound/soc/codecs/max98357a.c')
| -rw-r--r-- | sound/soc/codecs/max98357a.c | 39 |
1 files changed, 34 insertions, 5 deletions
diff --git a/sound/soc/codecs/max98357a.c b/sound/soc/codecs/max98357a.c index 16313b973eaa..2a2b286f1747 100644 --- a/sound/soc/codecs/max98357a.c +++ b/sound/soc/codecs/max98357a.c @@ -5,6 +5,7 @@ */ #include <linux/acpi.h> +#include <linux/delay.h> #include <linux/device.h> #include <linux/err.h> #include <linux/gpio.h> @@ -22,12 +23,15 @@ struct max98357a_priv { struct gpio_desc *sdmode; unsigned int sdmode_delay; + int sdmode_switch; }; static int max98357a_daiops_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { - struct max98357a_priv *max98357a = snd_soc_dai_get_drvdata(dai); + struct snd_soc_component *component = dai->component; + struct max98357a_priv *max98357a = + snd_soc_component_get_drvdata(component); if (!max98357a->sdmode) return 0; @@ -37,24 +41,48 @@ static int max98357a_daiops_trigger(struct snd_pcm_substream *substream, case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: mdelay(max98357a->sdmode_delay); - gpiod_set_value(max98357a->sdmode, 1); + if (max98357a->sdmode_switch) { + gpiod_set_value(max98357a->sdmode, 1); + dev_dbg(component->dev, "set sdmode to 1"); + } break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: gpiod_set_value(max98357a->sdmode, 0); + dev_dbg(component->dev, "set sdmode to 0"); break; } return 0; } +static int max98357a_sdmode_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = + snd_soc_dapm_to_component(w->dapm); + struct max98357a_priv *max98357a = + snd_soc_component_get_drvdata(component); + + if (event & SND_SOC_DAPM_POST_PMU) + max98357a->sdmode_switch = 1; + else if (event & SND_SOC_DAPM_POST_PMD) + max98357a->sdmode_switch = 0; + + return 0; +} + static const struct snd_soc_dapm_widget max98357a_dapm_widgets[] = { SND_SOC_DAPM_OUTPUT("Speaker"), + SND_SOC_DAPM_OUT_DRV_E("SD_MODE", SND_SOC_NOPM, 0, 0, NULL, 0, + max98357a_sdmode_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), }; static const struct snd_soc_dapm_route max98357a_dapm_routes[] = { - {"Speaker", NULL, "HiFi Playback"}, + {"SD_MODE", NULL, "HiFi Playback"}, + {"Speaker", NULL, "SD_MODE"}, }; static const struct snd_soc_component_driver max98357a_component_driver = { @@ -65,11 +93,10 @@ static const struct snd_soc_component_driver max98357a_component_driver = { .idle_bias_on = 1, .use_pmdown_time = 1, .endianness = 1, - .non_legacy_dai_naming = 1, }; static const struct snd_soc_dai_ops max98357a_dai_ops = { - .trigger = max98357a_daiops_trigger, + .trigger = max98357a_daiops_trigger, }; static struct snd_soc_dai_driver max98357a_dai_driver = { @@ -127,6 +154,7 @@ static int max98357a_platform_probe(struct platform_device *pdev) #ifdef CONFIG_OF static const struct of_device_id max98357a_device_id[] = { { .compatible = "maxim,max98357a" }, + { .compatible = "maxim,max98360a" }, {} }; MODULE_DEVICE_TABLE(of, max98357a_device_id); @@ -135,6 +163,7 @@ MODULE_DEVICE_TABLE(of, max98357a_device_id); #ifdef CONFIG_ACPI static const struct acpi_device_id max98357a_acpi_match[] = { { "MX98357A", 0 }, + { "MX98360A", 0 }, {}, }; MODULE_DEVICE_TABLE(acpi, max98357a_acpi_match); |