From a78d702beed61956b26c1b6288da868946642317 Mon Sep 17 00:00:00 2001
From: Paul Walmsley <paul@pwsan.com>
Date: Thu, 16 Aug 2007 16:21:35 -0700
Subject: [PATCH] usb quirks: Add Canon EOS 5D (PC Connection mode) to the
autosuspend blacklist
Recent versions of the Linux kernel auto-suspend attached USB devices.
After this happens to the Canon EOS 5D camera, the camera's interrupt endpoints
don't seem to wake back up correctly, causing further use with libgphoto2
to fail with a -114 "OS error in camera communication" error.
A similar fix is probably necessary for this camera in PTP mode, which
identifies as USB product id 0x3102, but we haven't tested this.
As part of our testing process, we tried the USB_QUIRK_RESET_RESUME
quirk also, it's not helpful in this case.
Signed-off-by: Raj Kumar <rkumar@archive.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/core/quirks.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 655c15d603936..9e467118dc946 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -79,6 +79,9 @@ static const struct usb_device_id usb_quirk_list[] = {
/* Alcor multi-card reader */
{ USB_DEVICE(0x058f, 0x6366), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
+ /* Canon EOS 5D in PC Connection mode */
+ { USB_DEVICE(0x04a9, 0x3101), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
+
/* RIM Blackberry */
{ USB_DEVICE(0x0fca, 0x0001), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },
{ USB_DEVICE(0x0fca, 0x0004), .driver_info = USB_QUIRK_NO_AUTOSUSPEND },