The Hercules Dualpix Exchange (06f8:3005) camera expose an absolute zoom
that is not implemented. Blacklist it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
---
drivers/media/video/uvc/uvc_ctrl.c | 36 ++++++++++++++++++++++++++++--------
1 files changed, 28 insertions(+), 8 deletions(-)
diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c
index a350fad..bce29fd 100644
--- a/drivers/media/video/uvc/uvc_ctrl.c
+++ b/drivers/media/video/uvc/uvc_ctrl.c
@@ -1499,26 +1499,46 @@ end:
static void
uvc_ctrl_prune_entity(struct uvc_device *dev, struct uvc_entity *entity)
{
- static const struct {
+ struct uvc_ctrl_blacklist {
struct usb_device_id id;
u8 index;
- } blacklist[] = {
+ };
+
+ static const struct uvc_ctrl_blacklist processing_blacklist[] = {
{ { USB_DEVICE(0x13d3, 0x509b) }, 9 }, /* Gain */
{ { USB_DEVICE(0x1c4f, 0x3000) }, 6 }, /* WB Temperature */
{ { USB_DEVICE(0x5986, 0x0241) }, 2 }, /* Hue */
};
+ static const struct uvc_ctrl_blacklist camera_blacklist[] = {
+ { { USB_DEVICE(0x06f8, 0x3005) }, 9 }, /* Zoom, Absolute */
+ };
- u8 *controls;
+ const struct uvc_ctrl_blacklist *blacklist;
unsigned int size;
+ unsigned int count;
unsigned int i;
+ u8 *controls;
- if (UVC_ENTITY_TYPE(entity) != UVC_VC_PROCESSING_UNIT)
- return;
+ switch (UVC_ENTITY_TYPE(entity)) {
+ case UVC_VC_PROCESSING_UNIT:
+ blacklist = processing_blacklist;
+ count = ARRAY_SIZE(processing_blacklist);
+ controls = entity->processing.bmControls;
+ size = entity->processing.bControlSize;
+ break;
+
+ case UVC_ITT_CAMERA:
+ blacklist = camera_blacklist;
+ count = ARRAY_SIZE(camera_blacklist);
+ controls = entity->camera.bmControls;
+ size = entity->camera.bControlSize;
+ break;
- controls = entity->processing.bmControls;
- size = entity->processing.bControlSize;
+ default:
+ return;
+ }
- for (i = 0; i < ARRAY_SIZE(blacklist); ++i) {
+ for (i = 0; i < count; ++i) {
if (!usb_match_one_id(dev->intf, &blacklist[i].id))
continue;
--
1.7.2.2
--
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