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-rw-r--r--source/a/cups/usb-backend-reset-after-job-only-for-specific-devices.patch74
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 000000000..dcf91c833
--- /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;