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authorMark Brown <broonie@kernel.org>2014-12-05 20:58:32 +0100
committerMark Brown <broonie@kernel.org>2014-12-06 13:24:27 +0100
commitba56447c3586465fd6eaf9869410dafb748a4d0d (patch)
tree774233bdcc156e652554150ace92d1da3f6b3eec /sound/soc/samsung/i2s.c
parentASoC: Samsung: Add arndale_rt5631 machine driver and binding (diff)
downloadlinux-ba56447c3586465fd6eaf9869410dafb748a4d0d.tar.xz
linux-ba56447c3586465fd6eaf9869410dafb748a4d0d.zip
ASoC: samsung: Fix error handling for clock lookup
Return the error code we got from clk_get() and check to make sure that clk_prepare_enable() worked. Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to '')
-rw-r--r--sound/soc/samsung/i2s.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index 0d76bc15b785..c60ab07ef3d1 100644
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -972,6 +972,7 @@ static int samsung_i2s_dai_probe(struct snd_soc_dai *dai)
{
struct i2s_dai *i2s = to_info(dai);
struct i2s_dai *other = i2s->pri_dai ? : i2s->sec_dai;
+ int ret;
if (other && other->clk) { /* If this is probe on secondary */
samsung_asoc_init_dma_data(dai, &other->sec_dai->dma_playback,
@@ -989,9 +990,14 @@ static int samsung_i2s_dai_probe(struct snd_soc_dai *dai)
if (IS_ERR(i2s->clk)) {
dev_err(&i2s->pdev->dev, "failed to get i2s_clock\n");
iounmap(i2s->addr);
- return -ENOENT;
+ return PTR_ERR(i2s->clk);
+ }
+
+ ret = clk_prepare_enable(i2s->clk);
+ if (ret != 0) {
+ dev_err(&i2s->pdev->dev, "failed to enable clock: %d\n", ret);
+ return ret;
}
- clk_prepare_enable(i2s->clk);
samsung_asoc_init_dma_data(dai, &i2s->dma_playback, &i2s->dma_capture);