Commit 1cbe4bca authored by Mark Brown's avatar Mark Brown
Browse files

ASoC: arizona: Suppress noop FLL updates 



Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent ba6b047a

sound/soc/codecs/arizona.c

+6 −0
Original line number Diff line number Diff line
@@ -937,6 +937,9 @@ int arizona_set_fll(struct arizona_fll *fll, int source, 
	bool ena;

	int ret;



	if (fll->fref == Fref && fll->fout == Fout)

		return 0;



	ret = regmap_read(arizona->regmap, fll->base + 1, &reg);

	if (ret != 0) {

		arizona_fll_err(fll, "Failed to read current state: %d\n",
@@ -1014,6 +1017,9 @@ int arizona_set_fll(struct arizona_fll *fll, int source, 
	if (ret == 0)

		arizona_fll_warn(fll, "Timed out waiting for lock\n");



	fll->fref = Fref;

	fll->fout = Fout;



	return 0;

}

EXPORT_SYMBOL_GPL(arizona_set_fll);

sound/soc/codecs/arizona.h

+2 −0
Original line number Diff line number Diff line
@@ -191,6 +191,8 @@ struct arizona_fll { 
	unsigned int vco_mult;

	struct completion lock;

	struct completion ok;

	unsigned int fref;

	unsigned int fout;



	char lock_name[ARIZONA_FLL_NAME_LEN];

	char clock_ok_name[ARIZONA_FLL_NAME_LEN];