From: Colin Ian King colin.king@canonical.com
[ Upstream commit 1730ef62874dbdc53dc2abfa430f09f0b304bafc ]
Currently the return from snd_soc_dai_set_pll is not checking for failure, this is the only driver in the kernel that ignores this, so it probably should be added for sake of completeness. Fix this by adding an error return check.
Addresses-Coverity: ("Unchecked return value") Fixes: f139546fb7d4 ("ASoC: Intel: boards: sof-wm8804: support for Hifiberry Digiplus boards") Signed-off-by: Colin Ian King colin.king@canonical.com Acked-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com Link: https://lore.kernel.org/r/20210226185653.1071321-1-colin.king@canonical.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/intel/boards/sof_wm8804.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/sound/soc/intel/boards/sof_wm8804.c b/sound/soc/intel/boards/sof_wm8804.c index a46ba13e8eb0..6a181e45143d 100644 --- a/sound/soc/intel/boards/sof_wm8804.c +++ b/sound/soc/intel/boards/sof_wm8804.c @@ -124,7 +124,11 @@ static int sof_wm8804_hw_params(struct snd_pcm_substream *substream, }
snd_soc_dai_set_clkdiv(codec_dai, WM8804_MCLK_DIV, mclk_div); - snd_soc_dai_set_pll(codec_dai, 0, 0, sysclk, mclk_freq); + ret = snd_soc_dai_set_pll(codec_dai, 0, 0, sysclk, mclk_freq); + if (ret < 0) { + dev_err(rtd->card->dev, "Failed to set WM8804 PLL\n"); + return ret; + }
ret = snd_soc_dai_set_sysclk(codec_dai, WM8804_TX_CLKSRC_PLL, sysclk, SND_SOC_CLOCK_OUT);