[PATCH v3 3/3] media: uvcvideo: Refactor power_line_frequency_controls_limited

From: Ricardo Ribalda
Date: Tue Jan 03 2023 - 06:02:22 EST


Move the control mapping to uvc_ctrl.c. This way we do not have
references to uvc controls or v4l2 controls in uvc_driver.c

Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
---
drivers/media/usb/uvc/uvc_ctrl.c | 17 +++++++++++++++++
drivers/media/usb/uvc/uvc_driver.c | 17 -----------------
drivers/media/usb/uvc/uvcvideo.h | 1 +
3 files changed, 18 insertions(+), 17 deletions(-)

diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
index d8283d71bc96..4ff0415d8bf4 100644
--- a/drivers/media/usb/uvc/uvc_ctrl.c
+++ b/drivers/media/usb/uvc/uvc_ctrl.c
@@ -370,6 +370,11 @@ static const struct uvc_menu_info power_line_frequency_controls[] = {
{ 3, "Auto" },
};

+static const struct uvc_menu_info power_line_frequency_controls_limited[] = {
+ { 1, "50 Hz" },
+ { 2, "60 Hz" },
+};
+
static const struct uvc_menu_info exposure_auto_controls[] = {
{ 2, "Auto Mode" },
{ 1, "Manual Mode" },
@@ -751,6 +756,18 @@ static const struct uvc_control_mapping uvc_ctrl_mappings_uvc15[] = {
},
};

+const struct uvc_control_mapping uvc_ctrl_power_line_mapping_limited = {
+ .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_limited,
+ .menu_count = ARRAY_SIZE(power_line_frequency_controls_limited),
+};
+
/* ------------------------------------------------------------------------
* Utility functions
*/
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index 9c09bc988278..6531aed5d642 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -2377,23 +2377,6 @@ static const struct uvc_device_info uvc_ctrl_power_line_uvc11 = {
},
};

-static const struct uvc_menu_info power_line_frequency_controls_limited[] = {
- { 1, "50 Hz" },
- { 2, "60 Hz" },
-};
-
-static const struct uvc_control_mapping uvc_ctrl_power_line_mapping_limited = {
- .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_limited,
- .menu_count = ARRAY_SIZE(power_line_frequency_controls_limited),
-};
-
static const struct uvc_device_info uvc_ctrl_power_line_limited = {
.mappings = (const struct uvc_control_mapping *[]) {
&uvc_ctrl_power_line_mapping_limited,
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
index bcb0b0c101c8..818ae7a6f9b9 100644
--- a/drivers/media/usb/uvc/uvcvideo.h
+++ b/drivers/media/usb/uvc/uvcvideo.h
@@ -728,6 +728,7 @@ int uvc_status_start(struct uvc_device *dev, gfp_t flags);
void uvc_status_stop(struct uvc_device *dev);

/* Controls */
+extern const struct uvc_control_mapping uvc_ctrl_power_line_mapping_limited;
extern const struct uvc_control_mapping uvc_ctrl_power_line_mapping_uvc11;
extern const struct v4l2_subscribed_event_ops uvc_ctrl_sub_ev_ops;


--
2.39.0.314.g84b9a713c41-goog-b4-0.11.0-dev-696ae