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ASoC: img-parallel-out: Add pm_runtime_get/put to set_fmt callback 

Add pm_runtime_get_sync and pm_runtime_put calls to set_fmt callback
function. This fixes a bus error during boot when CONFIG_SUSPEND is
defined when this function gets called while the device is runtime
disabled and device registers are accessed while the clock is disabled.

Signed-off-by: Ed Blake <ed.blake@sondrel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Ed Blake 2017-10-02 11:00:33 +01:00 committed by Mark Brown
parent 6f9dfab7fc
commit c70458890f
1 changed files with 2 additions and 0 deletions
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2
sound/soc/img/img-parallel-out.c
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@ -164,9 +164,11 @@ static int img_prl_out_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
return -EINVAL;
}
pm_runtime_get_sync(prl->dev);
reg = img_prl_out_readl(prl, IMG_PRL_OUT_CTL);
reg = (reg & ~IMG_PRL_OUT_CTL_EDGE_MASK) | control_set;
img_prl_out_writel(prl, reg, IMG_PRL_OUT_CTL);
pm_runtime_put(prl->dev);
return 0;
}