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authorPerry Hung <iperry@gmail.com>2014-10-22 23:31:34 -0400
committerBen Hutchings <ben@decadent.org.uk>2014-12-14 16:23:50 +0000
commit14945e0c7ba2123a93621d7af439999972cd0dca (patch)
tree29fdf252f5239dd8c8b1a9cc9e499944e4dd65c8 /drivers/usb/serial/ftdi_sio_ids.h
parentd73b032b63e8967462e1cf5763858ed89e97880f (diff)
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usb: serial: ftdi_sio: add "bricked" FTDI device PID
commit 7f2719f0003da1ad13124ef00f48d7514c79e30d upstream. An official recent Windows driver from FTDI detects counterfeit devices and reprograms the internal EEPROM containing the USB PID to 0, effectively bricking the device. Add support for this VID/PID pair to correctly bind the driver on these devices. See: http://hackaday.com/2014/10/22/watch-that-windows-update-ftdi-drivers-are-killing-fake-chips/ Signed-off-by: Perry Hung <iperry@gmail.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Johan Hovold <johan@kernel.org> [bwh: Backported to 3.2: adjust context] Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'drivers/usb/serial/ftdi_sio_ids.h')
-rw-r--r--drivers/usb/serial/ftdi_sio_ids.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index e985392..41551b1 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -30,6 +30,12 @@
/*** third-party PIDs (using FTDI_VID) ***/
+/*
+ * Certain versions of the official Windows FTDI driver reprogrammed
+ * counterfeit FTDI devices to PID 0. Support these devices anyway.
+ */
+#define FTDI_BRICK_PID 0x0000
+
#define FTDI_LUMEL_PD12_PID 0x6002
/*