From: Naveen Kumar Gaddipati <naveen.gaddipati@xxxxxxxxxxxxxx>
Suspend and resume support for ske keypad by using disable or
enable of keypad.
Signed-off-by: Naveen Kumar Gaddipati <naveen.gaddipati@xxxxxxxxxxxxxx>
Reviewed-by: Srinidhi Kasagar <srinidhi.kasagar@xxxxxxxxxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
drivers/input/keyboard/nomadik-ske-keypad.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/input/keyboard/nomadik-ske-keypad.c b/drivers/input/keyboard/nomadik-ske-keypad.c
index 6857454..68c36a7 100644
--- a/drivers/input/keyboard/nomadik-ske-keypad.c
+++ b/drivers/input/keyboard/nomadik-ske-keypad.c
@@ -368,8 +368,11 @@ static int ske_keypad_suspend(struct device *dev)
if (device_may_wakeup(dev))
enable_irq_wake(irq);
- else
+ else {
+ disable_irq(keypad->irq);
ske_keypad_set_bits(keypad, SKE_IMSC, ~SKE_KPIMA, 0x0);
+ clk_disable(keypad->clk);
+ }
return 0;
}
@@ -382,8 +385,11 @@ static int ske_keypad_resume(struct device *dev)
if (device_may_wakeup(dev))
disable_irq_wake(irq);
- else
- ske_keypad_set_bits(keypad, SKE_IMSC, 0x0, SKE_KPIMA);
+ else {
+ clk_enable(keypad->clk);
+ enable_irq(keypad->irq);
+ ske_keypad_chip_init(keypad);
+ }
return 0;
}
--
1.7.9.2
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