summaryrefslogtreecommitdiffstats
path: root/drivers/input/keyboard/imx_keypad.c
diff options
context:
space:
mode:
authorTomi Valkeinen <tomi.valkeinen@ti.com>2012-09-03 09:26:33 +0300
committerTomi Valkeinen <tomi.valkeinen@ti.com>2012-09-03 09:26:33 +0300
commitc50e86ce7c2961a41f2f7aa6e4fd6c99229ba205 (patch)
tree4ea36009719bd8fc523239fe1bdccb90f0dce3ae /drivers/input/keyboard/imx_keypad.c
parent14d33d384693eb6083396199de516fdef320f7af (diff)
parent4cbe5a555fa58a79b6ecbb6c531b8bab0650778d (diff)
Merge tag 'v3.6-rc4'
Merge 3.6-rc4 to get latest OMAP and device tree fixes.
Diffstat (limited to 'drivers/input/keyboard/imx_keypad.c')
-rw-r--r--drivers/input/keyboard/imx_keypad.c25
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/input/keyboard/imx_keypad.c b/drivers/input/keyboard/imx_keypad.c
index 6ee7421e232..ff4c0a87a25 100644
--- a/drivers/input/keyboard/imx_keypad.c
+++ b/drivers/input/keyboard/imx_keypad.c
@@ -378,20 +378,24 @@ static void imx_keypad_close(struct input_dev *dev)
imx_keypad_inhibit(keypad);
/* Disable clock unit */
- clk_disable(keypad->clk);
+ clk_disable_unprepare(keypad->clk);
}
static int imx_keypad_open(struct input_dev *dev)
{
struct imx_keypad *keypad = input_get_drvdata(dev);
+ int error;
dev_dbg(&dev->dev, ">%s\n", __func__);
+ /* Enable the kpp clock */
+ error = clk_prepare_enable(keypad->clk);
+ if (error)
+ return error;
+
/* We became active from now */
keypad->enabled = true;
- /* Enable the kpp clock */
- clk_enable(keypad->clk);
imx_keypad_config(keypad);
/* Sanity control, not all the rows must be actived now. */
@@ -467,7 +471,7 @@ static int __devinit imx_keypad_probe(struct platform_device *pdev)
goto failed_free_priv;
}
- keypad->clk = clk_get(&pdev->dev, "kpp");
+ keypad->clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(keypad->clk)) {
dev_err(&pdev->dev, "failed to get keypad clock\n");
error = PTR_ERR(keypad->clk);
@@ -581,7 +585,7 @@ static int imx_kbd_suspend(struct device *dev)
mutex_lock(&input_dev->mutex);
if (input_dev->users)
- clk_disable(kbd->clk);
+ clk_disable_unprepare(kbd->clk);
mutex_unlock(&input_dev->mutex);
@@ -596,18 +600,23 @@ static int imx_kbd_resume(struct device *dev)
struct platform_device *pdev = to_platform_device(dev);
struct imx_keypad *kbd = platform_get_drvdata(pdev);
struct input_dev *input_dev = kbd->input_dev;
+ int ret = 0;
if (device_may_wakeup(&pdev->dev))
disable_irq_wake(kbd->irq);
mutex_lock(&input_dev->mutex);
- if (input_dev->users)
- clk_enable(kbd->clk);
+ if (input_dev->users) {
+ ret = clk_prepare_enable(kbd->clk);
+ if (ret)
+ goto err_clk;
+ }
+err_clk:
mutex_unlock(&input_dev->mutex);
- return 0;
+ return ret;
}
#endif