Hi,
the same here. I'm unable to test it, but it compiles cleanly.
Acked-by: Tobias Lorenz <tobias.lorenz@xxxxxxx>
Bye,
Toby
Am Donnerstag 03 Dezember 2009 13:57:29 schrieb Joonyoung Shim:
> This patch is to support PM of the si470x i2c driver.
>
> Signed-off-by: Joonyoung Shim <jy0922.shim@xxxxxxxxxxx>
> ---
> drivers/media/radio/si470x/radio-si470x-i2c.c | 40 +++++++++++++++++++++++++
> 1 files changed, 40 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/media/radio/si470x/radio-si470x-i2c.c b/drivers/media/radio/si470x/radio-si470x-i2c.c
> index 77532e6..4c6e586 100644
> --- a/drivers/media/radio/si470x/radio-si470x-i2c.c
> +++ b/drivers/media/radio/si470x/radio-si470x-i2c.c
> @@ -486,6 +486,44 @@ static __devexit int si470x_i2c_remove(struct i2c_client *client)
> }
>
>
> +#ifdef CONFIG_PM
> +/*
> + * si470x_i2c_suspend - suspend the device
> + */
> +static int si470x_i2c_suspend(struct i2c_client *client, pm_message_t mesg)
> +{
> + struct si470x_device *radio = i2c_get_clientdata(client);
> +
> + /* power down */
> + radio->registers[POWERCFG] |= POWERCFG_DISABLE;
> + if (si470x_set_register(radio, POWERCFG) < 0)
> + return -EIO;
> +
> + return 0;
> +}
> +
> +
> +/*
> + * si470x_i2c_resume - resume the device
> + */
> +static int si470x_i2c_resume(struct i2c_client *client)
> +{
> + struct si470x_device *radio = i2c_get_clientdata(client);
> +
> + /* power up : need 110ms */
> + radio->registers[POWERCFG] |= POWERCFG_ENABLE;
> + if (si470x_set_register(radio, POWERCFG) < 0)
> + return -EIO;
> + msleep(110);
> +
> + return 0;
> +}
> +#else
> +#define si470x_i2c_suspend NULL
> +#define si470x_i2c_resume NULL
> +#endif
> +
> +
> /*
> * si470x_i2c_driver - i2c driver interface
> */
> @@ -496,6 +534,8 @@ static struct i2c_driver si470x_i2c_driver = {
> },
> .probe = si470x_i2c_probe,
> .remove = __devexit_p(si470x_i2c_remove),
> + .suspend = si470x_i2c_suspend,
> + .resume = si470x_i2c_resume,
> .id_table = si470x_i2c_id,
> };
>
>
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