On Wed, Aug 5, 2009 at 8:29 PM, Daniel Mack<daniel@xxxxxxxx> wrote:
> Signed-off-by: Daniel Mack <daniel@xxxxxxxx>
> Cc: Phil Blundell <pb@xxxxxxxxxxxxx>
> Cc: linux-input@xxxxxxxxxxxxxxx
> ---
> drivers/input/keyboard/gpio_keys.c | 28 ++++++++++++++++++----------
> 1 files changed, 18 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
> index efed0c9..bfb6fc3 100644
> --- a/drivers/input/keyboard/gpio_keys.c
> +++ b/drivers/input/keyboard/gpio_keys.c
> @@ -216,12 +216,12 @@ static int __devexit gpio_keys_remove(struct platform_device *pdev)
>
>
> #ifdef CONFIG_PM
> -static int gpio_keys_suspend(struct platform_device *pdev, pm_message_t state)
> +static int gpio_keys_suspend(struct device *dev)
> {
> - struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
> + struct gpio_keys_platform_data *pdata = dev->platform_data;
> int i;
>
> - if (device_may_wakeup(&pdev->dev)) {
> + if (device_may_wakeup(dev)) {
> for (i = 0; i < pdata->nbuttons; i++) {
> struct gpio_keys_button *button = &pdata->buttons[i];
> if (button->wakeup) {
> @@ -234,12 +234,12 @@ static int gpio_keys_suspend(struct platform_device *pdev, pm_message_t state)
> return 0;
> }
>
> -static int gpio_keys_resume(struct platform_device *pdev)
> +static int gpio_keys_resume(struct device *dev)
> {
> - struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
> + struct gpio_keys_platform_data *pdata = dev->platform_data;
> int i;
>
> - if (device_may_wakeup(&pdev->dev)) {
> + if (device_may_wakeup(dev)) {
> for (i = 0; i < pdata->nbuttons; i++) {
> struct gpio_keys_button *button = &pdata->buttons[i];
> if (button->wakeup) {
> @@ -251,19 +251,27 @@ static int gpio_keys_resume(struct platform_device *pdev)
>
> return 0;
> }
> +
> +static struct dev_pm_ops gpio_keys_pm_ops = {
> + .suspend = gpio_keys_suspend,
> + .freeze = gpio_keys_suspend,
> + .resume = gpio_keys_resume,
> + .thaw = gpio_keys_resume,
I'm not sure I understand hibernation correctly, but isn't
.freeze/.thaw about saving state and halting/resuming the device
operation only?
It seems to me that enabling system wakeup functionality should go
into .poweroff. (See <linux/pm.h>)
regards
Philipp
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