1 files changed, 74 insertions, 0 deletions
diff --git a/source/a/cups/usb-backend-reset-after-job-only-for-specific-devices.patch b/source/a/cups/usb-backend-reset-after-job-only-for-specific-devices.patch
new file mode 100644
index 00000000..dcf91c83
--- /dev/null
+++ b/source/a/cups/usb-backend-reset-after-job-only-for-specific-devices.patch
@@ -0,0 +1,74 @@
+--- backend/usb-libusb.c.orig	2012-07-16 19:10:55.000000000 +0200
++++ backend/usb-libusb.c	2012-08-06 11:01:58.034150159 +0200
+@@ -70,7 +70,7 @@
+ 			read_endp,	/* Read endpoint */
+ 			protocol,	/* Protocol: 1 = Uni-di, 2 = Bi-di. */
+ 			usblp_attached,	/* "usblp" kernel module attached? */
+-			opened_for_job;	/* Set to 1 by print_device() */
++			reset_after_job; /* Set to 1 by print_device() */
+   unsigned int		quirks;		/* Quirks flags */
+   struct libusb_device_handle *handle;	/* Open handle to device */
+ } usb_printer_t;
+@@ -122,6 +122,8 @@
+ #define USBLP_QUIRK_USB_INIT	0x2	/* needs vendor USB init string */
+ #define USBLP_QUIRK_BAD_CLASS	0x4	/* descriptor uses vendor-specific
+ 					   Class or SubClass */
++#define USBLP_QUIRK_RESET	0x4000	/* After printing do a reset
++					   for clean-up */
+ #define USBLP_QUIRK_NO_REATTACH	0x8000	/* After printing we cannot re-attach
+ 					   the usblp kernel module */
+ 
+@@ -147,9 +149,11 @@
+ 	{ 0x04b8, 0x0202, USBLP_QUIRK_BAD_CLASS }, /* Seiko Epson Receipt
+ 						      Printer M129C */
+ 	{ 0x067b, 0x2305, USBLP_QUIRK_BIDIR |
+-			  USBLP_QUIRK_NO_REATTACH },
++			  USBLP_QUIRK_NO_REATTACH |
++	                  USBLP_QUIRK_RESET },
+ 	/* Prolific Technology, Inc. PL2305 Parallel Port
+ 	   (USB -> Parallel adapter) */
++	{ 0x04e8, 0x0000, USBLP_QUIRK_RESET }, /* All Samsung devices */
+ 	{ 0, 0 }
+ };
+ 
+@@ -256,7 +260,12 @@
+   }
+ 
+   g.print_fd = print_fd;
+-  g.printer->opened_for_job = 1;
++
++ /*
++  * Some devices need a reset after finishing a job, these devices are
++  * marked with the USBLP_QUIRK_RESET quirk.
++  */
++  g.printer->reset_after_job = (g.printer->quirks & USBLP_QUIRK_RESET ? 1 : 0);
+ 
+  /*
+   * If we are printing data from a print driver on stdin, ignore SIGTERM
+@@ -772,7 +781,7 @@
+     * Reset the device to clean up after the job
+     */
+ 
+-    if (printer->opened_for_job == 1)
++    if (printer->reset_after_job == 1)
+     {
+       if ((errcode = libusb_reset_device(printer->handle)) < 0)
+ 	fprintf(stderr,
+@@ -1288,7 +1297,7 @@
+   }
+ 
+   printer->usblp_attached = 0;
+-  printer->opened_for_job = 0;
++  printer->reset_after_job = 0;
+ 
+   if (verbose)
+     fputs("STATE: +connecting-to-device\n", stderr);
+@@ -1586,7 +1595,7 @@
+   for (i = 0; quirk_printers[i].vendorId; i++)
+   {
+     if (vendor == quirk_printers[i].vendorId &&
+-	product == quirk_printers[i].productId)
++	(product == 0x0000 || product == quirk_printers[i].productId))
+       return quirk_printers[i].quirks;
+   }
+   return 0;