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ASoC: arizona: Set FLL to free-run before disabling 

The FLL must be placed into free-run mode before disabling
to allow it to entirely shut down.

Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
This commit is contained in:
Richard Fitzgerald 2013-11-20 14:37:09 +00:00 committed by Mark Brown
parent f69f86b1ba
commit 3e68ce1bc7
1 changed files with 4 additions and 0 deletions
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4
sound/soc/codecs/arizona.c
View File

@ -1528,6 +1528,8 @@ static void arizona_enable_fll(struct arizona_fll *fll,
/* Clear any pending completions */
try_wait_for_completion(&fll->ok);
regmap_update_bits(arizona->regmap, fll->base + 1,
ARIZONA_FLL1_FREERUN, 0);
regmap_update_bits(arizona->regmap, fll->base + 1,
ARIZONA_FLL1_ENA, ARIZONA_FLL1_ENA);
if (use_sync)
@ -1546,6 +1548,8 @@ static void arizona_disable_fll(struct arizona_fll *fll)
struct arizona *arizona = fll->arizona;
bool change;
regmap_update_bits(arizona->regmap, fll->base + 1,
ARIZONA_FLL1_FREERUN, ARIZONA_FLL1_FREERUN);
regmap_update_bits_check(arizona->regmap, fll->base + 1,
ARIZONA_FLL1_ENA, 0, &change);
regmap_update_bits(arizona->regmap, fll->base + 0x11,