4ea97043bd
The content of this branch was automatically imported from Fedora ELN with the following as its source: https://src.fedoraproject.org/rpms/sane-backends#e74855ce7e70772b50c980c582f52be711149f07
20 lines
701 B
Diff
20 lines
701 B
Diff
diff --git a/backend/plustek-usbhw.c b/backend/plustek-usbhw.c
|
|
index 05d3cc7..28cbd52 100644
|
|
--- a/backend/plustek-usbhw.c
|
|
+++ b/backend/plustek-usbhw.c
|
|
@@ -1451,6 +1451,14 @@ usb_ResetRegisters( Plustek_Device *dev )
|
|
* CanoScan devices to work properly after power-up
|
|
*/
|
|
sanei_lm983x_write_byte( dev->fd, 0x5b, regs[0x5b] );
|
|
+
|
|
+ /* At least CanoScan N650U can have a problem with writing
|
|
+ * to register 0x59 due XHCI USB controller is too
|
|
+ * fast for him. Simulate EHCI USB controller's
|
|
+ * behavior here - wait 1ms.
|
|
+ */
|
|
+ usleep(1000);
|
|
+
|
|
sanei_lm983x_write_byte( dev->fd, 0x59, regs[0x59] );
|
|
sanei_lm983x_write_byte( dev->fd, 0x5a, regs[0x5a] );
|
|
} else {
|