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Subject[PATCH 2/2] mfd: wm8994: Also restore GPIO IRQ masks after reset
Date
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>
---
drivers/mfd/wm8994-core.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index 53293c7..eec74aa 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -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;

--
1.7.10


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