Commit af6e1d11 authored Mar 01, 2022 by Jiasheng Jiang Committed by Greg Kroah-Hartman Apr 15, 2022

ASoC: atmel_ssc_dai: Handle errors for clk_enable



[ Upstream commit f9e2ca0640e59d19af0ff285ee5591ed39069b09 ]

As the potential failure of the clk_enable(),
it should be better to check it and return error if fals.

Fixes: cbaadf0f ("ASoC: atmel_ssc_dai: refactor the startup and shutdown")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20220301090637.3776558-1-jiasheng@iscas.ac.cn


Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent fd0c4082

sound/soc/atmel/atmel_ssc_dai.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -280,7 +280,10 @@ static int atmel_ssc_startup(struct snd_pcm_substream *substream,

		/* Enable PMC peripheral clock for this SSC */
		pr_debug("atmel_ssc_dai: Starting clock\n");
		clk_enable(ssc_p->ssc->clk);
		ret = clk_enable(ssc_p->ssc->clk);
		if (ret)
		return ret;

		ssc_p->mck_rate = clk_get_rate(ssc_p->ssc->clk);

		/* Reset the SSC unless initialized to keep it in a clean state */