[PATCH] USB: serial: pl2303: fix GL type detection

From: Robert Marko
Date: Thu Aug 26 2021 - 07:02:57 EST


At least some PL2303GL have a bcdDevice of 0x405 instead of 0x100 as the
datasheet claims. Add it to the list of known release numbers for the
HXN (G) type.

Fixes: 894758d0571d ("USB: serial: pl2303: tighten type HXN (G) detection")
Signed-off-by: Robert Marko <robert.marko@xxxxxxxxxx>
---
drivers/usb/serial/pl2303.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 2ce9cbf49e97..3b579966fe73 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -433,6 +433,7 @@ static int pl2303_detect_type(struct usb_serial *serial)
switch (bcdDevice) {
case 0x100:
case 0x305:
+ case 0x405:
/*
* Assume it's an HXN-type if the device doesn't
* support the old read request value.
--
2.31.1