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From 48ff94510ecf6b36c793c40ae3d15ce39a331e17 Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oneukum-l3A5Bk7waGM@public.gmane.org>
Date: Tue, 13 Sep 2011 08:42:21 +0200
Subject: [PATCH] USB:add RESET_RESUME for webcams shown to be quirky
From 6f673c5ef819548b2cbaf7bb607779af6fdbe731 Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oliver-GvhC2dPhHPQdnm+yROfE0A@public.gmane.org>
Date: Tue, 30 Aug 2011 15:34:32 +0200
Subject: [PATCH] USB:add RESET_RESUME for webcams shown to be quirky
The new runtime PM code has shown that many webcams suffer
from a race condition that may crash them upon resume.
Runtime PM is especially prone to show the problem because
it retains power to the cameras at all times. However
system suspension may also crash the devices and retain
power to the devices.
The only way to solve this problem without races is in
usbcore with the RESET_RESUME quirk.
Signed-off-by: Oliver Neukum <oneukum-l3A5Bk7waGM@public.gmane.org>
Add C300 ID from patch in rhbz #742010
---
drivers/usb/core/quirks.c | 24 ++++++++++++++++++++++++
1 files changed, 24 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 81ce6a8..d6a8d82 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -38,6 +38,27 @@ static const struct usb_device_id usb_quirk_list[] = {
/* Creative SB Audigy 2 NX */
{ USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME },
+ /* Logitech Webcam C200 */
+ { USB_DEVICE(0x046d, 0x0802), .driver_info = USB_QUIRK_RESET_RESUME },
+
+ /* Logitech Webcam C250 */
+ { USB_DEVICE(0x046d, 0x0804), .driver_info = USB_QUIRK_RESET_RESUME },
+
+ /* Logitech Webcam C300 */
+ { USB_DEVICE(0x046d, 0x0805), .driver_info = USB_QUIRK_RESET_RESUME },
+
+ /* Logitech Webcam B/C500 */
+ { USB_DEVICE(0x046d, 0x0807), .driver_info = USB_QUIRK_RESET_RESUME },
+
+ /* Logitech Webcam Pro 9000 */
+ { USB_DEVICE(0x046d, 0x0809), .driver_info = USB_QUIRK_RESET_RESUME },
+
+ /* Logitech Webcam C310 */
+ { USB_DEVICE(0x046d, 0x081b), .driver_info = USB_QUIRK_RESET_RESUME },
+
+ /* Logitech Webcam C270 */
+ { USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME },
+
/* Logitech Harmony 700-series */
{ USB_DEVICE(0x046d, 0xc122), .driver_info = USB_QUIRK_DELAY_INIT },
@@ -69,6 +90,9 @@ static const struct usb_device_id usb_quirk_list[] = {
{ USB_DEVICE(0x06a3, 0x0006), .driver_info =
USB_QUIRK_CONFIG_INTF_STRINGS },
+ /* Guillemot Webcam Hercules Dualpix Exchange*/
+ { USB_DEVICE(0x06f8, 0x0804), .driver_info = USB_QUIRK_RESET_RESUME },
+
/* M-Systems Flash Disk Pioneers */
{ USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME },
--
1.7.6
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