gspca - pac7302: Add a delay on loading the bridge registers.
Hi,
At http://linuxtv.org/hg/~jfrancois/gspca/rev/b0a374674388 :
Quoted 8 lines
From: Jean-Francois Moine <[email protected]>
Without the delay, the
usb_control_msg()may fail when loading the page 3 with error -71 or -62.Priority: normal
Signed-off-by Jean-Francois Moine <[email protected]>
include/asm-generic/errno.h:
Quoted 2 lines
#define ETIME 62 /* Timer expired */ #define EPROTO 71 /* Protocol error */
I'm interested in which device have you used for testing this?
Regards,
Márton Németh
Quoted 5 lines · On Fri, 08 Jan 2010 18:29:02 +0100 Németh Márton <[email protected]> wrote:
Quoted 5 lines
Without the delay, the
usb_control_msg()may fail when loading the page 3 with error -71 or -62.Priority: normal
Quoted 7 lines
Quoted 1 line
Signed-off-by Jean-Francois Moine <[email protected]>
include/asm-generic/errno.h:Quoted 2 lines
#define ETIME 62 /* Timer expired */ #define EPROTO 71 /* Protocol error */I'm interested in which device have you used for testing this?
Hi,
These errors occured with the webcam 06f8:3009, but I do not know exactly how. I thought about a speed problem. May be, when the webcam cannot treat quickly enough the requests, either it returns errors or it crashes. An other cause could be a bug in the ohci_hcd, but I do not looked at it. The delay was just a test and it fixed the problem. That is all the user wanted...
Regards.
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