From: Hans Verkuil <hans.verk...@cisco.com>
The v4l2_ctrl_check() helper function is now only used in cx2341x.
Move it there and make it static.
Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
---
drivers/media/common/cx2341x.c | 29 +++++++++++++++++++++++++++++
drivers/media/v4l2-core/v4l2-common.c | 30 ------------------------------
include/media/v4l2-common.h | 4 +---
3 files changed, 30 insertions(+), 33 deletions(-)
diff --git a/drivers/media/common/cx2341x.c b/drivers/media/common/cx2341x.c
index be76315..c07b9db 100644
--- a/drivers/media/common/cx2341x.c
+++ b/drivers/media/common/cx2341x.c
@@ -931,6 +931,35 @@ static void cx2341x_calc_audio_properties(struct
cx2341x_mpeg_params *params)
}
}
+/* Check for correctness of the ctrl's value based on the data from
+ struct v4l2_queryctrl and the available menu items. Note that
+ menu_items may be NULL, in that case it is ignored. */
+static int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct
v4l2_queryctrl *qctrl,
+ const char * const *menu_items)
+{
+ if (qctrl->flags & V4L2_CTRL_FLAG_DISABLED)
+ return -EINVAL;
+ if (qctrl->flags & V4L2_CTRL_FLAG_GRABBED)
+ return -EBUSY;
+ if (qctrl->type == V4L2_CTRL_TYPE_STRING)
+ return 0;
+ if (qctrl->type == V4L2_CTRL_TYPE_BUTTON ||
+ qctrl->type == V4L2_CTRL_TYPE_INTEGER64 ||
+ qctrl->type == V4L2_CTRL_TYPE_CTRL_CLASS)
+ return 0;
+ if (ctrl->value < qctrl->minimum || ctrl->value > qctrl->maximum)
+ return -ERANGE;
+ if (qctrl->type == V4L2_CTRL_TYPE_MENU && menu_items != NULL) {
+ if (menu_items[ctrl->value] == NULL ||
+ menu_items[ctrl->value][0] == '\0')
+ return -EINVAL;
+ }
+ if (qctrl->type == V4L2_CTRL_TYPE_BITMASK &&
+ (ctrl->value & ~qctrl->maximum))
+ return -ERANGE;
+ return 0;
+}
+
int cx2341x_ext_ctrls(struct cx2341x_mpeg_params *params, int busy,
struct v4l2_ext_controls *ctrls, unsigned int cmd)
{
diff --git a/drivers/media/v4l2-core/v4l2-common.c
b/drivers/media/v4l2-core/v4l2-common.c
index 8493209..5b80850 100644
--- a/drivers/media/v4l2-core/v4l2-common.c
+++ b/drivers/media/v4l2-core/v4l2-common.c
@@ -80,36 +80,6 @@ MODULE_LICENSE("GPL");
/* Helper functions for control handling */
-/* Check for correctness of the ctrl's value based on the data from
- struct v4l2_queryctrl and the available menu items. Note that
- menu_items may be NULL, in that case it is ignored. */
-int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl
*qctrl,
- const char * const *menu_items)
-{
- if (qctrl->flags & V4L2_CTRL_FLAG_DISABLED)
- return -EINVAL;
- if (qctrl->flags & V4L2_CTRL_FLAG_GRABBED)
- return -EBUSY;
- if (qctrl->type == V4L2_CTRL_TYPE_STRING)
- return 0;
- if (qctrl->type == V4L2_CTRL_TYPE_BUTTON ||
- qctrl->type == V4L2_CTRL_TYPE_INTEGER64 ||
- qctrl->type == V4L2_CTRL_TYPE_CTRL_CLASS)
- return 0;
- if (ctrl->value < qctrl->minimum || ctrl->value > qctrl->maximum)
- return -ERANGE;
- if (qctrl->type == V4L2_CTRL_TYPE_MENU && menu_items != NULL) {
- if (menu_items[ctrl->value] == NULL ||
- menu_items[ctrl->value][0] == '\0')
- return -EINVAL;
- }
- if (qctrl->type == V4L2_CTRL_TYPE_BITMASK &&
- (ctrl->value & ~qctrl->maximum))
- return -ERANGE;
- return 0;
-}
-EXPORT_SYMBOL(v4l2_ctrl_check);
-
/* Fill in a struct v4l2_queryctrl */
int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 _min, s32 _max, s32
_step, s32 _def)
{
diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h
index c69d91d..1cc0c5b 100644
--- a/include/media/v4l2-common.h
+++ b/include/media/v4l2-common.h
@@ -80,10 +80,8 @@
/* ------------------------------------------------------------------------- */
-/* Control helper functions */
+/* Control helper function */
-int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl
*qctrl,
- const char * const *menu_items);
int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32
step, s32 def);
/* ------------------------------------------------------------------------- */
--
2.1.3
--
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