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Diffstat (limited to 'sound/soc/codecs/rt5645.c')
-rw-r--r--sound/soc/codecs/rt5645.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index a7789a8726e3..27141e2df878 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -2209,6 +2209,10 @@ static int rt5645_jack_detect(struct snd_soc_codec *codec)
int gpio_state, jack_type = 0;
unsigned int val;
+ if (!gpio_is_valid(rt5645->pdata.hp_det_gpio)) {
+ dev_err(codec->dev, "invalid gpio\n");
+ return -EINVAL;
+ }
gpio_state = gpio_get_value(rt5645->pdata.hp_det_gpio);
dev_dbg(codec->dev, "gpio = %d(%d)\n", rt5645->pdata.hp_det_gpio,