#define USBLP_QUIRK_BIDIR 0x1 /* reports bidir but requires unidirectional mode (no INs/reads) */
#define USBLP_QUIRK_USB_INIT 0x2 /* needs vendor USB init string */
+#define USBLP_QUIRK_BAD_CLASS 0x4 /* descriptor uses vendor-specific Class or SubClass */
static const struct quirk_printer_struct quirk_printers[] = {
{ 0x03f0, 0x0004, USBLP_QUIRK_BIDIR }, /* HP DeskJet 895C */
{ 0x0409, 0xf0be, USBLP_QUIRK_BIDIR }, /* NEC Picty920 (HP OEM) */
{ 0x0409, 0xf1be, USBLP_QUIRK_BIDIR }, /* NEC Picty800 (HP OEM) */
{ 0x0482, 0x0010, USBLP_QUIRK_BIDIR }, /* Kyocera Mita FS 820, by zut <kernel@zut.de> */
+ { 0x04b8, 0x0202, USBLP_QUIRK_BAD_CLASS }, /* Seiko Epson Receipt Printer M129C */
{ 0, 0 }
};
retval = 0;
#endif
+ retval = usb_autopm_get_interface(intf);
+ if (retval < 0)
+ goto out;
usblp->used = 1;
file->private_data = usblp;
usblp->used = 0;
if (usblp->present) {
usblp_unlink_urbs(usblp);
+ usb_autopm_put_interface(usblp->intf);
} else /* finish cleanup from disconnect */
usblp_cleanup (usblp);
mutex_unlock (&usblp_mutex);
ifd = &if_alt->altsetting[i];
if (ifd->desc.bInterfaceClass != 7 || ifd->desc.bInterfaceSubClass != 1)
- continue;
+ if (!(usblp->quirks & USBLP_QUIRK_BAD_CLASS))
+ continue;
if (ifd->desc.bInterfaceProtocol < USBLP_FIRST_PROTOCOL ||
ifd->desc.bInterfaceProtocol > USBLP_LAST_PROTOCOL)
{
struct usblp *usblp = usb_get_intfdata (intf);
- /* this races against normal access and open */
- mutex_lock (&usblp_mutex);
- mutex_lock (&usblp->mut);
/* we take no more IO */
usblp->sleeping = 1;
usblp_unlink_urbs(usblp);
- mutex_unlock (&usblp->mut);
- mutex_unlock (&usblp_mutex);
return 0;
}
struct usblp *usblp = usb_get_intfdata (intf);
int r;
- mutex_lock (&usblp_mutex);
- mutex_lock (&usblp->mut);
-
usblp->sleeping = 0;
r = handle_bidir (usblp);
- mutex_unlock (&usblp->mut);
- mutex_unlock (&usblp_mutex);
-
return r;
}
{ USB_INTERFACE_INFO(7, 1, 1) },
{ USB_INTERFACE_INFO(7, 1, 2) },
{ USB_INTERFACE_INFO(7, 1, 3) },
+ { USB_DEVICE(0x04b8, 0x0202) }, /* Seiko Epson Receipt Printer M129C */
{ } /* Terminating entry */
};
.suspend = usblp_suspend,
.resume = usblp_resume,
.id_table = usblp_ids,
+ .supports_autosuspend = 1,
};
static int __init usblp_init(void)