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authorSakari Ailus <sakari.ailus@linux.intel.com>2017-06-08 07:19:49 -0400
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-07-26 08:41:07 -0400
commit52740975f3751c02ece88b2ee2e183aff7503cdf (patch)
tree3b07f6389591a73c9bd172a723356d45dd734ff0 /drivers
parent85f7ff9702bcc5e899bd0bf6b6e383ecb2ac436a (diff)
media: v4l2-flash: Flash ops aren't mandatory
None of the flash operations are mandatory and therefore there should be no need for the flash ops structure either. Accept NULL. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Reviewed-by: Jacek Anaszewski <jacek.anaszewski@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/v4l2-core/v4l2-flash-led-class.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/media/v4l2-core/v4l2-flash-led-class.c b/drivers/media/v4l2-core/v4l2-flash-led-class.c
index 6d69119ff097..aabc85dbb8b5 100644
--- a/drivers/media/v4l2-core/v4l2-flash-led-class.c
+++ b/drivers/media/v4l2-core/v4l2-flash-led-class.c
@@ -18,7 +18,7 @@
#include <media/v4l2-flash-led-class.h>
#define has_flash_op(v4l2_flash, op) \
- (v4l2_flash && v4l2_flash->ops->op)
+ (v4l2_flash && v4l2_flash->ops && v4l2_flash->ops->op)
#define call_flash_op(v4l2_flash, op, arg) \
(has_flash_op(v4l2_flash, op) ? \
@@ -299,7 +299,6 @@ static void __fill_ctrl_init_data(struct v4l2_flash *v4l2_flash,
struct v4l2_flash_ctrl_data *ctrl_init_data)
{
struct led_classdev_flash *fled_cdev = v4l2_flash->fled_cdev;
- const struct led_flash_ops *fled_cdev_ops = fled_cdev->ops;
struct led_classdev *led_cdev = &fled_cdev->led_cdev;
struct v4l2_ctrl_config *ctrl_cfg;
u32 mask;
@@ -376,7 +375,7 @@ static void __fill_ctrl_init_data(struct v4l2_flash *v4l2_flash,
}
/* Init STROBE_STATUS ctrl data */
- if (fled_cdev_ops->strobe_get) {
+ if (has_flash_op(fled_cdev, strobe_get)) {
ctrl_init_data[STROBE_STATUS].cid =
V4L2_CID_FLASH_STROBE_STATUS;
ctrl_cfg = &ctrl_init_data[STROBE_STATUS].config;
@@ -386,7 +385,7 @@ static void __fill_ctrl_init_data(struct v4l2_flash *v4l2_flash,
}
/* Init FLASH_TIMEOUT ctrl data */
- if (fled_cdev_ops->timeout_set) {
+ if (has_flash_op(fled_cdev, timeout_set)) {
ctrl_init_data[FLASH_TIMEOUT].cid = V4L2_CID_FLASH_TIMEOUT;
ctrl_cfg = &ctrl_init_data[FLASH_TIMEOUT].config;
__lfs_to_v4l2_ctrl_config(&fled_cdev->timeout, ctrl_cfg);
@@ -394,7 +393,7 @@ static void __fill_ctrl_init_data(struct v4l2_flash *v4l2_flash,
}
/* Init FLASH_INTENSITY ctrl data */
- if (fled_cdev_ops->flash_brightness_set) {
+ if (has_flash_op(fled_cdev, flash_brightness_set)) {
ctrl_init_data[FLASH_INTENSITY].cid = V4L2_CID_FLASH_INTENSITY;
ctrl_cfg = &ctrl_init_data[FLASH_INTENSITY].config;
__lfs_to_v4l2_ctrl_config(&fled_cdev->brightness, ctrl_cfg);
@@ -618,7 +617,7 @@ struct v4l2_flash *v4l2_flash_init(
struct v4l2_subdev *sd;
int ret;
- if (!fled_cdev || !ops || !config)
+ if (!fled_cdev || !config)
return ERR_PTR(-EINVAL);
led_cdev = &fled_cdev->led_cdev;