The ->power() could be absent or not used on some platforms. This patch makes its presence optional. Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> Cc: Sakari Ailus <sakari.ailus@xxxxxx> --- drivers/media/video/adp1653.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/drivers/media/video/adp1653.c b/drivers/media/video/adp1653.c index 0fd9579..f830313 100644 --- a/drivers/media/video/adp1653.c +++ b/drivers/media/video/adp1653.c @@ -329,6 +329,11 @@ adp1653_set_power(struct v4l2_subdev *subdev, int on) struct adp1653_flash *flash = to_adp1653_flash(subdev); int ret = 0; + /* There is no need to switch power in case of absence ->power() + * method. */ + if (flash->platform_data->power == NULL) + return 0; + mutex_lock(&flash->power_lock); /* If the power count is modified from 0 to != 0 or from != 0 to 0, -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
