| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.12 024/212] ASoC: arizona: Set FLL to free-run before disabling | Date | Mon, 2 Dec 2013 11:13:35 -0800 |
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3.12-stable review patch. If anyone has any objections, please let me know.
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From: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
commit 3e68ce1bc72e5d6615677ec5a8b0a9bcb6c7a490 upstream.
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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- sound/soc/codecs/arizona.c | 4 ++++ 1 file changed, 4 insertions(+)
--- a/sound/soc/codecs/arizona.c +++ b/sound/soc/codecs/arizona.c @@ -1525,6 +1525,8 @@ static void arizona_enable_fll(struct ar 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 (fll->ref_src >= 0 && fll->sync_src >= 0 && fll->ref_src != fll->sync_src) @@ -1543,6 +1545,8 @@ static void arizona_disable_fll(struct a 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,
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