The extension unit controls with selectors 11 and 12 are used to make the
eSP770u webcam controller issue SPI transfers to configure the nRF51288
radio or to read the flash storage. Depending on internal state controlled
by selector 11, selector 12 reports different lengths.
Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
---
drivers/media/usb/uvc/uvc_ctrl.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
index ce69e2c6937d..86cb16a2e7f4 100644
--- a/drivers/media/usb/uvc/uvc_ctrl.c
+++ b/drivers/media/usb/uvc/uvc_ctrl.c
@@ -1613,6 +1613,9 @@ static void uvc_ctrl_fixup_xu_info(struct uvc_device *dev,
UVC_CTRL_FLAG_GET_MIN | UVC_CTRL_FLAG_GET_MAX |
UVC_CTRL_FLAG_GET_DEF | UVC_CTRL_FLAG_SET_CUR |
UVC_CTRL_FLAG_AUTO_UPDATE },
+ { { USB_DEVICE(0x2833, 0x0211) }, 4, 12,
+ UVC_CTRL_FLAG_GET_RANGE | UVC_CTRL_FLAG_SET_CUR |
+ UVC_CTRL_FLAG_VARIABLE_LEN },
};
unsigned int i;
--
2.13.2
