ChangeSet 1.1722.97.57, 2004/06/09 11:08:58-07:00, oliver@neukum.org [PATCH] USB: add printer reset ioctl - add soft reset ioctl Signed-off-by: Oliver Neukum Signed-off-by: Greg Kroah-Hartman drivers/usb/class/usblp.c | 10 ++++++++++ 1 files changed, 10 insertions(+) diff -Nru a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c --- a/drivers/usb/class/usblp.c Fri Jun 18 10:57:47 2004 +++ b/drivers/usb/class/usblp.c Fri Jun 18 10:57:47 2004 @@ -75,6 +75,7 @@ #define IOCNR_HP_SET_CHANNEL 4 #define IOCNR_GET_BUS_ADDRESS 5 #define IOCNR_GET_VID_PID 6 +#define IOCNR_SOFT_RESET 7 /* Get device_id string: */ #define LPIOC_GET_DEVICE_ID(len) _IOC(_IOC_READ, 'P', IOCNR_GET_DEVICE_ID, len) /* The following ioctls were added for http://hpoj.sourceforge.net: */ @@ -90,6 +91,8 @@ #define LPIOC_GET_BUS_ADDRESS(len) _IOC(_IOC_READ, 'P', IOCNR_GET_BUS_ADDRESS, len) /* Get two-int array: [0]=vendor ID, [1]=product ID: */ #define LPIOC_GET_VID_PID(len) _IOC(_IOC_READ, 'P', IOCNR_GET_VID_PID, len) +/* Perform class specific soft reset */ +#define LPIOC_SOFT_RESET _IOC(_IOC_NONE, 'P', IOCNR_SOFT_RESET, 0); /* * A DEVICE_ID string may include the printer's serial number. @@ -587,6 +590,13 @@ usblp->minor, twoints[0], twoints[1]); break; + case IOCNR_SOFT_RESET: + if (_IOC_DIR(cmd) != _IOC_NONE) { + retval = -EINVAL; + goto done; + } + retval = usblp_reset(usblp); + break; default: retval = -ENOTTY; }