diff options
| author | Andrew Jackson <Andrew.Jackson@arm.com> | 2014-12-30 13:55:44 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2014-12-30 19:49:36 +0300 |
| commit | 3a19272a507cd5ad214e0082c3ff7355dfe71329 (patch) | |
| tree | 6e00088125ba23f6766607e6b6edf516edeef625 /sound/soc | |
| parent | b226efe5818bf01cecc8a3e0fbd0def4ebbcedaa (diff) | |
| download | linux-3a19272a507cd5ad214e0082c3ff7355dfe71329.tar.xz | |
ASoC: dwc: Prepare clock before use
Some I2S clocks may require some time to get the clock ready
for operation and so need to be prepared before they are enabled.
So, prepare the clock as well as enabling it, but combine the
two through clk_prepare_enable.
Signed-off-by: Andrew Jackson <Andrew.Jackson@arm.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/dwc/designware_i2s.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sound/soc/dwc/designware_i2s.c b/sound/soc/dwc/designware_i2s.c index d3bdc6890eb5..a6327cc086c0 100644 --- a/sound/soc/dwc/designware_i2s.c +++ b/sound/soc/dwc/designware_i2s.c @@ -476,7 +476,7 @@ static int dw_i2s_probe(struct platform_device *pdev) if (IS_ERR(dev->clk)) return PTR_ERR(dev->clk); - ret = clk_enable(dev->clk); + ret = clk_prepare_enable(dev->clk); if (ret < 0) return ret; @@ -491,13 +491,16 @@ static int dw_i2s_probe(struct platform_device *pdev) return 0; err_clk_disable: - clk_disable(dev->clk); + clk_disable_unprepare(dev->clk); return ret; } static int dw_i2s_remove(struct platform_device *pdev) { + struct dw_i2s_dev *dev = dev_get_drvdata(&pdev->dev); + snd_soc_unregister_component(&pdev->dev); + clk_disable_unprepare(dev->clk); return 0; } |