MLK-11281-1: input: keyboard: gpio_keys: add pinctl set in suspend and resume

Add pinctrl restore to support LPSR.

Signed-off-by: Robin Gong <b38343@freescale.com>
(cherry picked from commit f7d40aa30ca2fe337ba9bb8f7eaca4393db900be)

diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index 9b8079c..5002386 100644 (file)
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -849,6 +849,8 @@ static int gpio_keys_suspend(struct device *dev)
                mutex_unlock(&input->mutex);
        }
 
+       pinctrl_pm_select_sleep_state(dev);
+
        return 0;
 }
 
@@ -859,6 +861,8 @@ static int gpio_keys_resume(struct device *dev)
        int error = 0;
        int i;
 
+       pinctrl_pm_select_default_state(dev);
+
        if (device_may_wakeup(dev)) {
                for (i = 0; i < ddata->pdata->nbuttons; i++) {
                        struct gpio_button_data *bdata = &ddata->data[i];