[alsa-devel] [PATCH 2/4] ASoC: wm8904: Check for clk_prepare_enable() error

From: Fabio Estevam fabio.estevam@freescale.com

clk_prepare_enable() may fail, so we should better check its return value and propagate it in the case of error.

Signed-off-by: Fabio Estevam fabio.estevam@freescale.com --- sound/soc/codecs/wm8904.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/wm8904.c b/sound/soc/codecs/wm8904.c index 265a4a5..07dc400 100644 --- a/sound/soc/codecs/wm8904.c +++ b/sound/soc/codecs/wm8904.c @@ -1837,7 +1837,9 @@ static int wm8904_set_bias_level(struct snd_soc_codec *codec,

switch (level) { case SND_SOC_BIAS_ON: - clk_prepare_enable(wm8904->mclk); + ret = clk_prepare_enable(wm8904->mclk); + if (ret) + return ret; break;

case SND_SOC_BIAS_PREPARE: