From: Hans de Goede <hdegoede@redhat.com>
To: Linux Media Mailing List <linux-media@vger.kernel.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Hans de Goede <hdegoede@redhat.com>
Subject: [PATCH 07/10] uvcvideo: Move __uvc_ctrl_get() up
Date: Sun, 25 Mar 2012 13:56:47 +0200 [thread overview]
Message-ID: <1332676610-14953-8-git-send-email-hdegoede@redhat.com> (raw)
In-Reply-To: <1332676610-14953-1-git-send-email-hdegoede@redhat.com>
This avoids the need for doing a forward declaration of __uvc_ctrl_get
(which is a static function) in later patches in this series.
Note to reviewers this patch does not change a single line of code, it
just moves the function up in uvc_ctrl.c a bit.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
drivers/media/video/uvc/uvc_ctrl.c | 76 ++++++++++++++++++------------------
1 file changed, 38 insertions(+), 38 deletions(-)
diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c
index 4002b5b..fc979c6 100644
--- a/drivers/media/video/uvc/uvc_ctrl.c
+++ b/drivers/media/video/uvc/uvc_ctrl.c
@@ -899,6 +899,44 @@ static int uvc_ctrl_populate_cache(struct uvc_video_chain *chain,
return 0;
}
+static int __uvc_ctrl_get(struct uvc_video_chain *chain,
+ struct uvc_control *ctrl, struct uvc_control_mapping *mapping,
+ s32 *value)
+{
+ struct uvc_menu_info *menu;
+ unsigned int i;
+ int ret;
+
+ if ((ctrl->info.flags & UVC_CTRL_FLAG_GET_CUR) == 0)
+ return -EINVAL;
+
+ if (!ctrl->loaded) {
+ ret = uvc_query_ctrl(chain->dev, UVC_GET_CUR, ctrl->entity->id,
+ chain->dev->intfnum, ctrl->info.selector,
+ uvc_ctrl_data(ctrl, UVC_CTRL_DATA_CURRENT),
+ ctrl->info.size);
+ if (ret < 0)
+ return ret;
+
+ ctrl->loaded = 1;
+ }
+
+ *value = mapping->get(mapping, UVC_GET_CUR,
+ uvc_ctrl_data(ctrl, UVC_CTRL_DATA_CURRENT));
+
+ if (mapping->v4l2_type == V4L2_CTRL_TYPE_MENU) {
+ menu = mapping->menu_info;
+ for (i = 0; i < mapping->menu_count; ++i, ++menu) {
+ if (menu->value == *value) {
+ *value = i;
+ break;
+ }
+ }
+ }
+
+ return 0;
+}
+
static int __uvc_query_v4l2_ctrl(struct uvc_video_chain *chain,
struct uvc_control *ctrl,
struct uvc_control_mapping *mapping,
@@ -1160,44 +1198,6 @@ done:
return ret;
}
-static int __uvc_ctrl_get(struct uvc_video_chain *chain,
- struct uvc_control *ctrl, struct uvc_control_mapping *mapping,
- s32 *value)
-{
- struct uvc_menu_info *menu;
- unsigned int i;
- int ret;
-
- if ((ctrl->info.flags & UVC_CTRL_FLAG_GET_CUR) == 0)
- return -EINVAL;
-
- if (!ctrl->loaded) {
- ret = uvc_query_ctrl(chain->dev, UVC_GET_CUR, ctrl->entity->id,
- chain->dev->intfnum, ctrl->info.selector,
- uvc_ctrl_data(ctrl, UVC_CTRL_DATA_CURRENT),
- ctrl->info.size);
- if (ret < 0)
- return ret;
-
- ctrl->loaded = 1;
- }
-
- *value = mapping->get(mapping, UVC_GET_CUR,
- uvc_ctrl_data(ctrl, UVC_CTRL_DATA_CURRENT));
-
- if (mapping->v4l2_type == V4L2_CTRL_TYPE_MENU) {
- menu = mapping->menu_info;
- for (i = 0; i < mapping->menu_count; ++i, ++menu) {
- if (menu->value == *value) {
- *value = i;
- break;
- }
- }
- }
-
- return 0;
-}
-
int uvc_ctrl_get(struct uvc_video_chain *chain,
struct v4l2_ext_control *xctrl)
{
--
1.7.9.3
next prev parent reply other threads:[~2012-03-25 11:54 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-25 11:56 uvc & pwc: Add support for control events (v2) Hans de Goede
2012-03-25 11:56 ` [PATCH 01/10] pwc: Add support for control events Hans de Goede
2012-03-25 11:56 ` [PATCH 02/10] media/radio: use v4l2_ctrl_subscribe_event where possible Hans de Goede
2012-03-25 11:56 ` [PATCH 03/10] v4l2-event: Add v4l2_subscribed_event_ops Hans de Goede
2012-03-25 11:56 ` [PATCH 04/10] v4l2-ctrls: Use v4l2_subscribed_event_ops Hans de Goede
2012-03-25 11:56 ` [PATCH 05/10] uvcvideo: Fix a "ignoring return value of ‘__clear_user’" warning Hans de Goede
2012-03-27 15:48 ` Laurent Pinchart
2012-03-25 11:56 ` [PATCH 06/10] uvcvideo: Refactor uvc_ctrl_get and query Hans de Goede
2012-03-28 9:26 ` Laurent Pinchart
2012-03-25 11:56 ` Hans de Goede [this message]
2012-03-28 8:59 ` [PATCH 07/10] uvcvideo: Move __uvc_ctrl_get() up Laurent Pinchart
2012-03-25 11:56 ` [PATCH 08/10] uvcvideo: Add support for control events Hans de Goede
2012-03-28 9:25 ` Laurent Pinchart
2012-03-25 11:56 ` [PATCH 09/10] uvcvideo: Properly report the inactive flag for inactive controls Hans de Goede
2012-03-28 9:12 ` Laurent Pinchart
2012-03-28 14:09 ` Hans de Goede
2012-04-08 15:19 ` Hans de Goede
2012-03-25 11:56 ` [PATCH 10/10] uvcvideo: Send control change events for slave ctrls when the master changes Hans de Goede
2012-03-28 9:34 ` Laurent Pinchart
2012-03-28 14:11 ` Hans de Goede
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