[PATCH 2/4] input/nomadik-ske: suspend and resume support

[Linus Walleij <linus.walleij@xxxxxxxxxxxxxx>]

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

--
To unsubscribe from this list: send the line "unsubscribe linux-input" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html