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| author | Jiasheng Jiang <jiasheng@iscas.ac.cn> | 2022-03-01 16:47:42 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-03-02 13:45:24 +0000 |
| commit | 45ea97d74313bae681328b0c36fa348036777644 (patch) | |
| tree | 63ba9bb44fe2262f4a10e9d4d128f1ebd84ab6c3 /sound/soc/dwc | |
| parent | a2253ec7aef2c942630ecbe3380690bd3a704a94 (diff) | |
| download | linux-45ea97d74313bae681328b0c36fa348036777644.tar.gz linux-45ea97d74313bae681328b0c36fa348036777644.tar.bz2 linux-45ea97d74313bae681328b0c36fa348036777644.zip | |
ASoC: dwc-i2s: Handle errors for clk_enable
As the potential failure of the clk_enable(),
it should be better to check it, as same as clk_prepare_enable().
Fixes: c9afc1834e81 ("ASoC: dwc: Disallow building designware_pcm as a module")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20220301084742.3751939-1-jiasheng@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/dwc')
| -rw-r--r-- | sound/soc/dwc/dwc-i2s.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/sound/soc/dwc/dwc-i2s.c b/sound/soc/dwc/dwc-i2s.c index 5cb58929090d..1edac3e10f34 100644 --- a/sound/soc/dwc/dwc-i2s.c +++ b/sound/soc/dwc/dwc-i2s.c @@ -403,9 +403,13 @@ static int dw_i2s_runtime_suspend(struct device *dev) static int dw_i2s_runtime_resume(struct device *dev) { struct dw_i2s_dev *dw_dev = dev_get_drvdata(dev); + int ret; - if (dw_dev->capability & DW_I2S_MASTER) - clk_enable(dw_dev->clk); + if (dw_dev->capability & DW_I2S_MASTER) { + ret = clk_enable(dw_dev->clk); + if (ret) + return ret; + } return 0; } @@ -422,10 +426,13 @@ static int dw_i2s_resume(struct snd_soc_component *component) { struct dw_i2s_dev *dev = snd_soc_component_get_drvdata(component); struct snd_soc_dai *dai; - int stream; + int stream, ret; - if (dev->capability & DW_I2S_MASTER) - clk_enable(dev->clk); + if (dev->capability & DW_I2S_MASTER) { + ret = clk_enable(dev->clk); + if (ret) + return ret; + } for_each_component_dais(component, dai) { for_each_pcm_streams(stream) |