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authorBrandon Philips <brandon@ifup.org>2009-01-05 08:30:39 -0800
committerGreg Kroah-Hartman <gregkh@kvm.kroah.org>2009-01-27 16:15:36 -0800
commit06a743bfc42660f27fde5f24d7471e1eb4c71218 (patch)
treec53220d6772b6af8dbff63234893fb3998ce4814 /drivers/ssb/driver_extif.c
parent296361ec3abbba7621e9fff01a572ac0873da903 (diff)
USB: usblp.c: add USBLP_QUIRK_BIDIR to Brother HL-1440
My Brother HL-1440 would print one document before CUPS would stop printing with the error "Printer not connected; will retry in 30 seconds...". I traced this down to the CUPS usb backend getting an EIO out of usblp on the IOCNR_GET_DEVICE_ID IOCTL. Adding the USBLP_QUIRK_BIDIR fixes the problem but is it the right solution? output from strace /usr/lib/cups/backend/usb after printing a document (Note: SNDCTL_DSP_SYNC == IOCNR_GET_DEVICE_ID): before patch open("/dev/usb/lp0", O_RDWR|O_EXCL) = 3 ioctl(3, SNDCTL_DSP_SYNC, 0x7fff2478cef0) = -1 EIO (Input/output error) after patch open("/dev/usb/lp0", O_RDWR|O_EXCL) = 3 ioctl(3, SNDCTL_DSP_SYNC, 0x7fffb8d474c0) = 0 Possibly related bug: https://bugs.launchpad.net/ubuntu/+source/cupsys/+bug/35638 Signed-off-by: Brandon Philips <bphilips@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/ssb/driver_extif.c')
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