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media: uvcvideo: Refactor uvc_ctrl_mappings_uvcXX

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Convert the array of structs into an array of pointers, that way the
mappings can be reused.

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Ricardo Ribalda 2023-01-05 14:52:55 +01:00 committed by Laurent Pinchart
parent 40140eda66
commit 96a160b068
1 changed files with 37 additions and 37 deletions
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74
drivers/media/usb/uvc/uvc_ctrl.c
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@ -723,34 +723,40 @@ static const struct uvc_control_mapping uvc_ctrl_mappings[] = {
},
};
static const struct uvc_control_mapping uvc_ctrl_mappings_uvc11[] = {
{
.id = V4L2_CID_POWER_LINE_FREQUENCY,
.entity = UVC_GUID_UVC_PROCESSING,
.selector = UVC_PU_POWER_LINE_FREQUENCY_CONTROL,
.size = 2,
.offset = 0,
.v4l2_type = V4L2_CTRL_TYPE_MENU,
.data_type = UVC_CTRL_DATA_TYPE_ENUM,
.menu_info = power_line_frequency_controls,
.menu_mask = GENMASK(V4L2_CID_POWER_LINE_FREQUENCY_60HZ,
V4L2_CID_POWER_LINE_FREQUENCY_DISABLED),
},
static const struct uvc_control_mapping uvc_ctrl_power_line_mapping_uvc11 = {
.id = V4L2_CID_POWER_LINE_FREQUENCY,
.entity = UVC_GUID_UVC_PROCESSING,
.selector = UVC_PU_POWER_LINE_FREQUENCY_CONTROL,
.size = 2,
.offset = 0,
.v4l2_type = V4L2_CTRL_TYPE_MENU,
.data_type = UVC_CTRL_DATA_TYPE_ENUM,
.menu_info = power_line_frequency_controls,
.menu_mask = GENMASK(V4L2_CID_POWER_LINE_FREQUENCY_60HZ,
V4L2_CID_POWER_LINE_FREQUENCY_DISABLED),
};
static const struct uvc_control_mapping uvc_ctrl_mappings_uvc15[] = {
{
.id = V4L2_CID_POWER_LINE_FREQUENCY,
.entity = UVC_GUID_UVC_PROCESSING,
.selector = UVC_PU_POWER_LINE_FREQUENCY_CONTROL,
.size = 2,
.offset = 0,
.v4l2_type = V4L2_CTRL_TYPE_MENU,
.data_type = UVC_CTRL_DATA_TYPE_ENUM,
.menu_info = power_line_frequency_controls,
.menu_mask = GENMASK(V4L2_CID_POWER_LINE_FREQUENCY_AUTO,
V4L2_CID_POWER_LINE_FREQUENCY_DISABLED),
},
static const struct uvc_control_mapping *uvc_ctrl_mappings_uvc11[] = {
&uvc_ctrl_power_line_mapping_uvc11,
NULL, /* Sentinel */
};
static const struct uvc_control_mapping uvc_ctrl_power_line_mapping_uvc15 = {
.id = V4L2_CID_POWER_LINE_FREQUENCY,
.entity = UVC_GUID_UVC_PROCESSING,
.selector = UVC_PU_POWER_LINE_FREQUENCY_CONTROL,
.size = 2,
.offset = 0,
.v4l2_type = V4L2_CTRL_TYPE_MENU,
.data_type = UVC_CTRL_DATA_TYPE_ENUM,
.menu_info = power_line_frequency_controls,
.menu_mask = GENMASK(V4L2_CID_POWER_LINE_FREQUENCY_AUTO,
V4L2_CID_POWER_LINE_FREQUENCY_DISABLED),
};
static const struct uvc_control_mapping *uvc_ctrl_mappings_uvc15[] = {
&uvc_ctrl_power_line_mapping_uvc15,
NULL, /* Sentinel */
};
/* ------------------------------------------------------------------------
@ -2506,8 +2512,7 @@ static void uvc_ctrl_prune_entity(struct uvc_device *dev,
static void uvc_ctrl_init_ctrl(struct uvc_video_chain *chain,
struct uvc_control *ctrl)
{
const struct uvc_control_mapping *mappings;
unsigned int num_mappings;
const struct uvc_control_mapping **mappings;
unsigned int i;
/*
@ -2574,16 +2579,11 @@ static void uvc_ctrl_init_ctrl(struct uvc_video_chain *chain,
}
/* Finally process version-specific mappings. */
if (chain->dev->uvc_version < 0x0150) {
mappings = uvc_ctrl_mappings_uvc11;
num_mappings = ARRAY_SIZE(uvc_ctrl_mappings_uvc11);
} else {
mappings = uvc_ctrl_mappings_uvc15;
num_mappings = ARRAY_SIZE(uvc_ctrl_mappings_uvc15);
}
mappings = chain->dev->uvc_version < 0x0150
? uvc_ctrl_mappings_uvc11 : uvc_ctrl_mappings_uvc15;
for (i = 0; i < num_mappings; ++i) {
const struct uvc_control_mapping *mapping = &mappings[i];
for (i = 0; mappings[i]; ++i) {
const struct uvc_control_mapping *mapping = mappings[i];
if (uvc_entity_match_guid(ctrl->entity, mapping->entity) &&
ctrl->info.selector == mapping->selector)