USB: serial: pl2303: add new chip PL2303GC-Q20 and PL2303GT-2AB

charlesyeh522 · gregkh · commit 1a51004aa046 · 2025-06-10T07:12:59.000-04:00
commit d3a8894 upstream. Add new bcd (0x905) to support PL2303GT-2AB (TYPE_HXN). Add new bcd (0x1005) to support PL2303GC-Q20 (TYPE_HXN). Signed-off-by: Charles Yeh <charlesyeh522@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
@@ -457,6 +457,8 @@ static int pl2303_detect_type(struct usb_serial *serial)
 		case 0x605:
 		case 0x700:	/* GR */
 		case 0x705:
+		case 0x905:	/* GT-2AB */
+		case 0x1005:	/* GC-Q20 */
 			return TYPE_HXN;
 		}
 		break;

Original file line number	Diff line number	Diff line change
`@@ -457,6 +457,8 @@ static int pl2303_detect_type(struct usb_serial *serial)`
`457`	`457`	`case 0x605:`
`458`	`458`	`case 0x700: /* GR */`
`459`	`459`	`case 0x705:`
	`460`	`+ case 0x905: /* GT-2AB */`
	`461`	`+ case 0x1005: /* GC-Q20 */`
`460`	`462`	`return TYPE_HXN;`
`461`	`463`	`}`
`462`	`464`	`break;`