The ->power() could be absent or not used on some platforms. This patch makes
its presence optional.
Signed-off-by: Andy Shevchenko <andriy.shevche...@linux.intel.com>
Cc: Sakari Ailus <sakari.ai...@iki.fi>
---
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
--
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