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mfd: wm8994: Implement support for WM1811 devices with higher cust_ids

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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>
This commit is contained in:
Mark Brown 2012-08-23 15:47:52 +01:00 committed by Samuel Ortiz
parent 3080de4ef6
commit 1de74cfd69
1 changed files with 1 additions and 1 deletions
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2
drivers/mfd/wm8994-regmap.c
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@ -1136,7 +1136,7 @@ static bool wm1811_volatile_register(struct device *dev, unsigned int reg)
switch (reg) { switch (reg) {
case WM8994_GPIO_6: case WM8994_GPIO_6:
if (wm8994->revision > 1) if (wm8994->cust_id > 1 || wm8994->revision > 1)
return true; return true;
else else
return false; return false;