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mfd: Also restore wm8994 GPIO IRQ masks after reset 

This ensures that if we are using a GPIO as a wake source it continues to
function while we're suspended.

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 2012-06-29 14:55:40 +01:00 committed by Samuel Ortiz
parent ed393dcd41
commit 1a2017b714
1 changed files with 7 additions and 0 deletions
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7
drivers/mfd/wm8994-core.c
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@ -293,6 +293,13 @@ static int wm8994_suspend(struct device *dev)
if (ret != 0)
dev_err(dev, "Failed to restore GPIO registers: %d\n", ret);
/* In case one of the GPIOs is used as a wake input. */
ret = regcache_sync_region(wm8994->regmap,
WM8994_INTERRUPT_STATUS_1_MASK,
WM8994_INTERRUPT_STATUS_1_MASK);
if (ret != 0)
dev_err(dev, "Failed to restore interrupt mask: %d\n", ret);
regcache_cache_only(wm8994->regmap, true);
wm8994->suspended = true;