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Groups > linux.kernel > #1251272
| From | Jiada Wang <jiada_wang@mentor.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 1/2] ASoC: WM8962: mark cache_dirty flag after software reset in pm_resume |
| Date | 2015-10-20 04:50 +0200 |
| Message-ID | <qlv9T-7bZ-7@gated-at.bofh.it> (permalink) |
| References | <qlv9T-7bZ-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
By doing software reset of wm8962 in pm_resume, all registers which have already been set will be reset to default value without regmap interface be involved, thus driver need to mark cache_dirty flag, to let regcache can be updated by regcache_sync(). Signed-off-by: Jiada Wang <jiada_wang@mentor.com> --- sound/soc/codecs/wm8962.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c index 293e47a..a3d7778 100644 --- a/sound/soc/codecs/wm8962.c +++ b/sound/soc/codecs/wm8962.c @@ -3805,6 +3805,8 @@ static int wm8962_runtime_resume(struct device *dev) wm8962_reset(wm8962); + regcache_mark_dirty(wm8962->regmap); + /* SYSCLK defaults to on; make sure it is off so we can safely * write to registers if the device is declocked. */ -- 2.4.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH v2 0/2] *** wm8962 regmap related fix *** Jiada Wang <jiada_wang@mentor.com> - 2015-10-20 04:50 +0200
[PATCH 1/2] ASoC: WM8962: mark cache_dirty flag after software reset in pm_resume Jiada Wang <jiada_wang@mentor.com> - 2015-10-20 04:50 +0200
Re: [PATCH 1/2] ASoC: WM8962: mark cache_dirty flag after software reset in pm_resume Charles Keepax <ckeepax@opensource.wolfsonmicro.com> - 2015-10-20 10:20 +0200
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