From 9d9b34eb90c86efac711a9b201eca728a91e5ef8 Mon Sep 17 00:00:00 2001 From: Phani Kumar Uppalapati Date: Mon, 24 Oct 2016 14:46:54 -0700 Subject: [PATCH] drivers: mfd: Mark CPR bank registers as volatile Mark CPR bank registers as volatile so that writes to these registers get updated correctly in hardware. CRs-Fixed: 1081673 Change-Id: I92d0511b4e9912dfa346378784d811f6606df205 Signed-off-by: Phani Kumar Uppalapati --- drivers/mfd/wcd934x-regmap.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/mfd/wcd934x-regmap.c b/drivers/mfd/wcd934x-regmap.c index e07350a1e2ce..3ed3d125f430 100644 --- a/drivers/mfd/wcd934x-regmap.c +++ b/drivers/mfd/wcd934x-regmap.c @@ -1904,6 +1904,9 @@ static bool wcd934x_is_volatile_register(struct device *dev, unsigned int reg) (reg <= WCD934X_CDC_ANC1_FB_GAIN_CTL)) return true; + if ((reg >= WCD934X_CODEC_CPR_WR_DATA_0) && + (reg <= WCD934X_CODEC_CPR_RD_DATA_3)) + return true; /* * Need to mark volatile for registers that are writable but