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USB: serial: pl2303: fix GT type detection

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At least some PL2303GT have a bcdDevice of 0x305 instead of 0x100 as the
datasheet claims. Add it to the list of known release numbers for the
HXN (G) type.

Fixes: 894758d057 ("USB: serial: pl2303: tighten type HXN (G) detection")
Reported-by: Vasily Khoruzhick <anarsoul@gmail.com>
Tested-by: Vasily Khoruzhick <anarsoul@gmail.com>
Cc: stable@vger.kernel.org	# 5.13
Link: https://lore.kernel.org/r/20210804093100.24811-1-johan@kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
Johan Hovold 2021-08-04 11:31:00 +02:00
parent 5648c073c3
commit 3212a99349
1 changed files with 1 additions and 0 deletions
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drivers/usb/serial/pl2303.c
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@ -432,6 +432,7 @@ static int pl2303_detect_type(struct usb_serial *serial)
case 0x200:
switch (bcdDevice) {
case 0x100:
case 0x305:
/*
* Assume it's an HXN-type if the device doesn't
* support the old read request value.