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-rw-r--r--debian/patches/0100-usb3-corrections.patch168
1 files changed, 0 insertions, 168 deletions
diff --git a/debian/patches/0100-usb3-corrections.patch b/debian/patches/0100-usb3-corrections.patch
deleted file mode 100644
index eb2d5a5..0000000
--- a/debian/patches/0100-usb3-corrections.patch
+++ /dev/null
@@ -1,168 +0,0 @@
-Description: work around USB3/xhci problems in Linux.
- Backport from upstream.
-Author: m. allan noah <kitno455 at gmail dot com>
-Origin: upstream,http://anonscm.debian.org/cgit/sane/sane-backends.git/commit/?id=014b45d920f1fb630e1a31bb01f1da02ea2a6a87
-Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=738592
-Forwarded: not-needed
-Last-Update: 2014-12-26
----
-This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
-Index: trunk/sanei/sanei_usb.c
-===================================================================
---- trunk.orig/sanei/sanei_usb.c
-+++ trunk/sanei/sanei_usb.c
-@@ -154,6 +154,7 @@ typedef struct
- SANE_Int control_in_ep;
- SANE_Int control_out_ep;
- SANE_Int interface_nr;
-+ SANE_Int alt_setting;
- SANE_Int missing;
- #ifdef HAVE_LIBUSB
- usb_dev_handle *libusb_handle;
-@@ -635,6 +636,7 @@ static void usbcall_scan_devices(void)
- device.product = pDevDesc->idProduct;
- device.method = sanei_usb_method_usbcalls;
- device.interface_nr = interface;
-+ device.alt_setting = 0;
- DBG (4, "%s: found usbcalls device (0x%04x/0x%04x) as device number %s\n", __func__,
- pDevDesc->idVendor, pDevDesc->idProduct,device.devname);
- store_device(device);
-@@ -821,7 +823,7 @@ static void libusb_scan_devices(void)
- "scanner (%d/%d)\n", __func__, dev->descriptor.idVendor,
- dev->descriptor.idProduct, interface,
- dev->descriptor.bDeviceClass,
-- dev->config[0].interface[interface].altsetting != 0
-+ dev->config[0].interface[interface].num_altsetting != 0
- ? dev->config[0].interface[interface].altsetting[0].
- bInterfaceClass : -1);
- }
-@@ -845,6 +847,7 @@ static void libusb_scan_devices(void)
- device.product = dev->descriptor.idProduct;
- device.method = sanei_usb_method_libusb;
- device.interface_nr = interface;
-+ device.alt_setting = 0;
- DBG (4,
- "%s: found libusb device (0x%04x/0x%04x) interface "
- "%d at %s\n", __func__,
-@@ -991,7 +994,7 @@ static void libusb_scan_devices(void)
- "%s: device 0x%04x/0x%04x, interface %d "
- "doesn't look like a scanner (%d/%d)\n", __func__,
- vid, pid, interface, desc.bDeviceClass,
-- (config0->interface[interface].altsetting != 0)
-+ (config0->interface[interface].num_altsetting != 0)
- ? config0->interface[interface].altsetting[0].bInterfaceClass : -1);
- }
-
-@@ -1018,6 +1021,7 @@ static void libusb_scan_devices(void)
- device.product = pid;
- device.method = sanei_usb_method_libusb;
- device.interface_nr = interface;
-+ device.alt_setting = 0;
- DBG (4,
- "%s: found libusb-1.0 device (0x%04x/0x%04x) interface "
- "%d at %s\n", __func__,
-@@ -2128,22 +2132,24 @@ sanei_usb_close (SANE_Int dn)
- else
- #ifdef HAVE_LIBUSB
- {
--#if 0
-- /* Should only be done in case of a stall */
-- usb_clear_halt (devices[dn].libusb_handle, devices[dn].bulk_in_ep);
-- usb_clear_halt (devices[dn].libusb_handle, devices[dn].bulk_out_ep);
-- usb_clear_halt (devices[dn].libusb_handle, devices[dn].iso_in_ep);
-- /* be careful, we don't know if we are in DATA0 stage now */
-- usb_resetep (devices[dn].libusb_handle, devices[dn].bulk_in_ep);
-- usb_resetep (devices[dn].libusb_handle, devices[dn].bulk_out_ep);
-- usb_resetep (devices[dn].libusb_handle, devices[dn].iso_in_ep);
--#endif /* 0 */
-+ /* This call seems to be required by Linux xhci driver
-+ * even though it should be a no-op. Without it, the
-+ * host or driver does not reset it's data toggle bit.
-+ * We intentionally ignore the return val */
-+ sanei_usb_set_altinterface (dn, devices[dn].alt_setting);
-+
- usb_release_interface (devices[dn].libusb_handle,
- devices[dn].interface_nr);
- usb_close (devices[dn].libusb_handle);
- }
- #elif defined(HAVE_LIBUSB_1_0)
- {
-+ /* This call seems to be required by Linux xhci driver
-+ * even though it should be a no-op. Without it, the
-+ * host or driver does not reset it's data toggle bit.
-+ * We intentionally ignore the return val */
-+ sanei_usb_set_altinterface (dn, devices[dn].alt_setting);
-+
- libusb_release_interface (devices[dn].lu_handle,
- devices[dn].interface_nr);
- libusb_close (devices[dn].lu_handle);
-@@ -2168,7 +2174,6 @@ sanei_usb_set_timeout (SANE_Int timeout)
- SANE_Status
- sanei_usb_clear_halt (SANE_Int dn)
- {
--#ifdef HAVE_LIBUSB
- int ret;
-
- if (dn >= device_number || dn < 0)
-@@ -2177,6 +2182,14 @@ sanei_usb_clear_halt (SANE_Int dn)
- return SANE_STATUS_INVAL;
- }
-
-+#ifdef HAVE_LIBUSB
-+
-+ /* This call seems to be required by Linux xhci driver
-+ * even though it should be a no-op. Without it, the
-+ * host or driver does not send the clear to the device.
-+ * We intentionally ignore the return val */
-+ sanei_usb_set_altinterface (dn, devices[dn].alt_setting);
-+
- ret = usb_clear_halt (devices[dn].libusb_handle, devices[dn].bulk_in_ep);
- if (ret){
- DBG (1, "sanei_usb_clear_halt: BULK_IN ret=%d\n", ret);
-@@ -2189,18 +2202,13 @@ sanei_usb_clear_halt (SANE_Int dn)
- return SANE_STATUS_INVAL;
- }
-
-- /* be careful, we don't know if we are in DATA0 stage now
-- ret = usb_resetep (devices[dn].libusb_handle, devices[dn].bulk_in_ep);
-- ret = usb_resetep (devices[dn].libusb_handle, devices[dn].bulk_out_ep);
-- */
- #elif defined(HAVE_LIBUSB_1_0)
-- int ret;
-
-- if (dn >= device_number || dn < 0)
-- {
-- DBG (1, "sanei_usb_clear_halt: dn >= device number || dn < 0\n");
-- return SANE_STATUS_INVAL;
-- }
-+ /* This call seems to be required by Linux xhci driver
-+ * even though it should be a no-op. Without it, the
-+ * host or driver does not send the clear to the device.
-+ * We intentionally ignore the return val */
-+ sanei_usb_set_altinterface (dn, devices[dn].alt_setting);
-
- ret = libusb_clear_halt (devices[dn].lu_handle, devices[dn].bulk_in_ep);
- if (ret){
-@@ -3038,6 +3046,8 @@ sanei_usb_set_altinterface (SANE_Int dn,
-
- DBG (5, "sanei_usb_set_altinterface: alternate = %d\n", alternate);
-
-+ devices[dn].alt_setting = alternate;
-+
- if (devices[dn].method == sanei_usb_method_scanner_driver)
- {
- #if defined(__linux__)
-Index: trunk/ChangeLog
-===================================================================
---- trunk.orig/ChangeLog
-+++ trunk/ChangeLog
-@@ -1,3 +1,9 @@
-+2014-12-16 m. allan noah <kitno455 at gmail dot com>
-+ * sanei/sanei_usb.c: add calls to sanei_usb_set_altinterface in
-+ sanei_usb_close and sanei_usb_clear_halt- hopefully work around
-+ USB3/xhci problems in Linux.
-+
-+
- ****** Release of sane-backends 1.0.24. End of code freeze ******
-
- 2013-09-30 m. allan noah <kitno455 at gmail dot com>
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 14:08:24 +0000