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>
diff --git a/sound/soc/dwc/designware_i2s.c b/sound/soc/dwc/designware_i2s.c
index d3bdc68..a6327cc 100644
--- a/sound/soc/dwc/designware_i2s.c
+++ b/sound/soc/dwc/designware_i2s.c
@@ -476,7 +476,7 @@
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 @@
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;
}