linux-kernel - [PATCH 5.4 04/17] usb: quirks: add quirk to start video capture on ELMO L-12F document camera reliable

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Message-Id: <20210225092515.223684188@linuxfoundation.org>
Date:   Thu, 25 Feb 2021 10:53:49 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Stefan Ursella <stefan.ursella@...fvision.net>
Subject: [PATCH 5.4 04/17] usb: quirks: add quirk to start video capture on ELMO L-12F document camera reliable

From: Stefan Ursella <stefan.ursella@...fvision.net>

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

--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -391,6 +391,9 @@ 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 },