diff options
Diffstat (limited to 'kernel/sound/soc/codecs/max98357a.c')
| -rw-r--r-- | kernel/sound/soc/codecs/max98357a.c | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/kernel/sound/soc/codecs/max98357a.c b/kernel/sound/soc/codecs/max98357a.c index bf3e933ee..f5e3dce26 100644 --- a/kernel/sound/soc/codecs/max98357a.c +++ b/kernel/sound/soc/codecs/max98357a.c @@ -31,6 +31,9 @@ static int max98357a_daiops_trigger(struct snd_pcm_substream *substream, { struct gpio_desc *sdmode = snd_soc_dai_get_drvdata(dai); + if (!sdmode) + return 0; + switch (cmd) { case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: @@ -48,25 +51,21 @@ static int max98357a_daiops_trigger(struct snd_pcm_substream *substream, } static const struct snd_soc_dapm_widget max98357a_dapm_widgets[] = { - SND_SOC_DAPM_DAC("SDMode", NULL, SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_OUTPUT("Speaker"), }; static const struct snd_soc_dapm_route max98357a_dapm_routes[] = { - {"Speaker", NULL, "SDMode"}, + {"Speaker", NULL, "HiFi Playback"}, }; static int max98357a_codec_probe(struct snd_soc_codec *codec) { struct gpio_desc *sdmode; - sdmode = devm_gpiod_get(codec->dev, "sdmode"); - if (IS_ERR(sdmode)) { - dev_err(codec->dev, "%s() unable to get sdmode GPIO: %ld\n", - __func__, PTR_ERR(sdmode)); + sdmode = devm_gpiod_get_optional(codec->dev, "sdmode", GPIOD_OUT_LOW); + if (IS_ERR(sdmode)) return PTR_ERR(sdmode); - } - gpiod_direction_output(sdmode, 0); + snd_soc_codec_set_drvdata(codec, sdmode); return 0; @@ -80,7 +79,7 @@ static struct snd_soc_codec_driver max98357a_codec_driver = { .num_dapm_routes = ARRAY_SIZE(max98357a_dapm_routes), }; -static struct snd_soc_dai_ops max98357a_dai_ops = { +static const struct snd_soc_dai_ops max98357a_dai_ops = { .trigger = max98357a_daiops_trigger, }; @@ -105,15 +104,8 @@ static struct snd_soc_dai_driver max98357a_dai_driver = { static int max98357a_platform_probe(struct platform_device *pdev) { - int ret; - - ret = snd_soc_register_codec(&pdev->dev, &max98357a_codec_driver, + return snd_soc_register_codec(&pdev->dev, &max98357a_codec_driver, &max98357a_dai_driver, 1); - if (ret) - dev_err(&pdev->dev, "%s() error registering codec driver: %d\n", - __func__, ret); - - return ret; } static int max98357a_platform_remove(struct platform_device *pdev) |