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authorUlf Hansson <ulf.hansson@linaro.org>2012-10-22 14:32:04 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-10-22 14:28:17 +0100
commitfe36a0b2b55c66f25407cc1f713b631bf7da75fa (patch)
tree76f65c9e0fe522c04fa8570a3a34752f8e3936d5 /sound/soc/ux500
parent6f0c0580b70c89094b3422ba81118c7b959c7556 (diff)
downloadlinux-fe36a0b2b55c66f25407cc1f713b631bf7da75fa.tar.bz2
ASoC: Ux500: Fixup use of clocks
Make sure clocks are being prepared and unprepared as well as enabled and disabled. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/ux500')
-rw-r--r--sound/soc/ux500/ux500_msp_dai.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/sound/soc/ux500/ux500_msp_dai.c b/sound/soc/ux500/ux500_msp_dai.c
index be94bf9bf94f..e11187fb433f 100644
--- a/sound/soc/ux500/ux500_msp_dai.c
+++ b/sound/soc/ux500/ux500_msp_dai.c
@@ -398,11 +398,13 @@ static int ux500_msp_dai_startup(struct snd_pcm_substream *substream,
return ret;
}
- /* Enable clock */
+ /* Prepare and enable clock */
dev_dbg(dai->dev, "%s: Enabling MSP-clock.\n", __func__);
- clk_enable(drvdata->clk);
+ ret = clk_prepare_enable(drvdata->clk);
+ if (ret)
+ regulator_disable(drvdata->reg_vape);
- return 0;
+ return ret;
}
static void ux500_msp_dai_shutdown(struct snd_pcm_substream *substream,
@@ -428,8 +430,8 @@ static void ux500_msp_dai_shutdown(struct snd_pcm_substream *substream,
__func__, dai->id, snd_pcm_stream_str(substream));
}
- /* Disable clock */
- clk_disable(drvdata->clk);
+ /* Disable and unprepare clock */
+ clk_disable_unprepare(drvdata->clk);
/* Disable regulator */
ret = regulator_disable(drvdata->reg_vape);