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Unverified Commit f31a1710 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown
Browse files

ASoC: simple-card-utils: accept NULL parameter on asoc_simple_card_xxx() 



If simple-card-utils accept NULL pointer on asoc_simple_card_xxx(),
each driver code will be more simple.
Let's accept NULL pointer.

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent c0f4697c

sound/soc/generic/simple-card-utils.c

+9 −2
Original line number Diff line number Diff line
@@ -153,12 +153,16 @@ EXPORT_SYMBOL_GPL(asoc_simple_card_parse_card_name); 


int asoc_simple_card_clk_enable(struct asoc_simple_dai *dai)

{

	if (dai)

		return clk_prepare_enable(dai->clk);



	return 0;

}

EXPORT_SYMBOL_GPL(asoc_simple_card_clk_enable);



void asoc_simple_card_clk_disable(struct asoc_simple_dai *dai)

{

	if (dai)

		clk_disable_unprepare(dai->clk);

}

EXPORT_SYMBOL_GPL(asoc_simple_card_clk_disable);
@@ -342,6 +346,9 @@ int asoc_simple_card_init_dai(struct snd_soc_dai *dai, 
{

	int ret;



	if (!simple_dai)

		return 0;



	if (simple_dai->sysclk) {

		ret = snd_soc_dai_set_sysclk(dai, 0, simple_dai->sysclk,

					     simple_dai->clk_direction);