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Subject[PATCH 3.19.y-ckt 090/160] ASoC: wm8974: set cache type for regmap
Date
3.19.8-ckt13 -stable review patch.  If anyone has any objections, please let me know.

---8<------------------------------------------------------------

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: Kamal Mostafa <kamal@canonical.com>
---
sound/soc/codecs/wm8974.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/sound/soc/codecs/wm8974.c b/sound/soc/codecs/wm8974.c
index ff0e464..88317c1 100644
--- a/sound/soc/codecs/wm8974.c
+++ b/sound/soc/codecs/wm8974.c
@@ -575,6 +575,7 @@ static const struct regmap_config wm8974_regmap = {
.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)
--
1.9.1

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