From 1de74cfd69077c06507f444d7192aefc17784ab5 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Thu, 23 Aug 2012 15:47:52 +0100
Subject: [PATCH] mfd: wm8994: Implement support for WM1811 devices with higher
cust_ids
Higher cust_ids have had the device revision field reset so need different
handling of GPIO6.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---
drivers/mfd/wm8994-regmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mfd/wm8994-regmap.c b/drivers/mfd/wm8994-regmap.c
index 52e9e2944940..2fbce9c5950b 100644
--- a/drivers/mfd/wm8994-regmap.c
+++ b/drivers/mfd/wm8994-regmap.c
@@ -1136,7 +1136,7 @@ static bool wm1811_volatile_register(struct device *dev, unsigned int reg)
switch (reg) {
case WM8994_GPIO_6:
- if (wm8994->revision > 1)
+ if (wm8994->cust_id > 1 || wm8994->revision > 1)
return true;
else
return false;
--
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