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Subject: [media] uvcvideo: Move __uvc_ctrl_get() up Author: Hans de Goede <[email protected]> Date: Sun Apr 8 12:59:50 2012 -0300 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 <[email protected]> Signed-off-by: Laurent Pinchart <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/video/uvc/uvc_ctrl.c | 76 ++++++++++++++++++------------------ 1 files changed, 38 insertions(+), 38 deletions(-) --- http://git.linuxtv.org/media_tree.git?a=commitdiff;h=cb74d482f81bf6a3ef3e29cb228c917e371773f2 diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c index d20d0de..0c27cc1 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, @@ -1158,44 +1196,6 @@ 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) { _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
