ASoC: img-parallel-out: Check pm_runtime_get_sync return code

Check the the pm_runtime_get_sync return code and return if an error.
Signed-off-by: Ed Blake <ed.blake@sondrel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/img/img-parallel-out.c

@@ -153,6 +153,7 @@ static int img_prl_out_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 {
 	struct img_prl_out *prl = snd_soc_dai_get_drvdata(dai);
 	u32 reg, control_set = 0;
+	int ret;
 
 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
 	case SND_SOC_DAIFMT_NB_NF:
@@ -164,7 +165,10 @@ static int img_prl_out_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 		return -EINVAL;
 	}
 
-	pm_runtime_get_sync(prl->dev);
+	ret = pm_runtime_get_sync(prl->dev);
+	if (ret < 0)
+		return ret;
+
 	reg = img_prl_out_readl(prl, IMG_PRL_OUT_CTL);
 	reg = (reg & ~IMG_PRL_OUT_CTL_EDGE_MASK) | control_set;
 	img_prl_out_writel(prl, reg, IMG_PRL_OUT_CTL);