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[PATCH 4.3 071/157] ASoC: wm8974: set cache type for regmap

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  [PATCH 4.3 071/157] ASoC: wm8974: set cache type for regmap Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-01-27 20:00 +0100

#1319363 — [PATCH 4.3 071/157] ASoC: wm8974: set cache type for regmap

4.3-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Mans Rullgard <mans@mansr.com>

commit 1ea5998afe903384ddc16391d4c023cd4c867bea upstream.

Attempting to use this codec driver triggers a BUG() in regcache_sync()
since no cache type is set.  The register map of this device is fairly
small and has few holes so a flat cache is suitable.

Signed-off-by: Mans Rullgard <mans@mansr.com>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 sound/soc/codecs/wm8974.c |    1 +
 1 file changed, 1 insertion(+)

--- a/sound/soc/codecs/wm8974.c
+++ b/sound/soc/codecs/wm8974.c
@@ -574,6 +574,7 @@ static const struct regmap_config wm8974
 	.max_register = WM8974_MONOMIX,
 	.reg_defaults = wm8974_reg_defaults,
 	.num_reg_defaults = ARRAY_SIZE(wm8974_reg_defaults),
+	.cache_type = REGCACHE_FLAT,
 };
 
 static int wm8974_probe(struct snd_soc_codec *codec)

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