[PATCH 4.9 002/134] usb: quirks: add quirk to start video capture on ELMO L-12F document camera reliable

From: Greg Kroah-Hartman
Date: Mon Mar 01 2021 - 12:21:54 EST


From: Stefan Ursella <stefan.ursella@xxxxxxxxxxxxxx>

commit 1ebe718bb48278105816ba03a0408ecc2d6cf47f upstream.

Without this quirk starting a video capture from the device often fails with

kernel: uvcvideo: Failed to set UVC probe control : -110 (exp. 34).

Signed-off-by: Stefan Ursella <stefan.ursella@xxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20210210140713.18711-1-stefan.ursella@xxxxxxxxxxxxxx
Cc: stable <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/core/quirks.c | 3 +++
1 file changed, 3 insertions(+)

--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -230,6 +230,9 @@ static const struct usb_device_id usb_qu
/* X-Rite/Gretag-Macbeth Eye-One Pro display colorimeter */
{ USB_DEVICE(0x0971, 0x2000), .driver_info = USB_QUIRK_NO_SET_INTF },

+ /* ELMO L-12F document camera */
+ { USB_DEVICE(0x09a1, 0x0028), .driver_info = USB_QUIRK_DELAY_CTRL_MSG },
+
/* Broadcom BCM92035DGROM BT dongle */
{ USB_DEVICE(0x0a5c, 0x2021), .driver_info = USB_QUIRK_RESET_RESUME },