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Diffstat (limited to 'sound/soc/codecs/max98357a.c')
-rw-r--r--sound/soc/codecs/max98357a.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/sound/soc/codecs/max98357a.c b/sound/soc/codecs/max98357a.c
index 3a2fda0..fa1b793 100644
--- a/sound/soc/codecs/max98357a.c
+++ b/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:
@@ -60,7 +63,7 @@ static int max98357a_codec_probe(struct snd_soc_codec *codec)
{
struct gpio_desc *sdmode;
- sdmode = devm_gpiod_get(codec->dev, "sdmode", GPIOD_OUT_LOW);
+ sdmode = devm_gpiod_get_optional(codec->dev, "sdmode", GPIOD_OUT_LOW);
if (IS_ERR(sdmode)) {
dev_err(codec->dev, "%s() unable to get sdmode GPIO: %ld\n",
__func__, PTR_ERR(sdmode));
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