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

charlesyeh522 · jfvogel · commit fb1d32f409f0 · 2025-06-10T21:50:29.000-07:00
commit d3a889482bd5abf2bbdc1ec3d2d49575aa160c9c 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 &lt;charlesyeh522@gmail.com&gt;
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold &lt;johan@kernel.org&gt;
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
(cherry picked from commit 1a51004aa0463b63aa9c273ef3f4614f7ff45722)
Signed-off-by: Jack Vogel &lt;jack.vogel@oracle.com&gt;
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;`