linux-kernel - [PATCH 3.12 135/175] USB: serial: add Google simple serial SubClass support

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Date:	Tue, 17 Mar 2015 09:41:53 +0100
From:	Jiri Slaby <jslaby@...e.cz>
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Anton Staaf <robotboy@...omium.org>,
	Johan Hovold <johan@...nel.org>, Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 135/175] USB: serial: add Google simple serial SubClass support

From: Anton Staaf <robotboy@...omium.org>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit 679315e5fae1e4614eed0d9aa26999ddcb6a0f77 upstream.

Add support for Google devices that export simple serial
interfaces using the vendor specific SubClass/Protocol pair
0x50/0x01.

Signed-off-by: Anton Staaf <robotboy@...omium.org>
Reviewed-by: Benson Leung <bleung@...omium.org>
[johan: move id entries and update Kconfig]
Signed-off-by: Johan Hovold <johan@...nel.org>

Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 drivers/usb/serial/Kconfig             |  1 +
 drivers/usb/serial/usb-serial-simple.c | 10 ++++++++++
 2 files changed, 11 insertions(+)

diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
index ddb9c51f2c99..a9435cd819f8 100644
--- a/drivers/usb/serial/Kconfig
+++ b/drivers/usb/serial/Kconfig
@@ -59,6 +59,7 @@ config USB_SERIAL_SIMPLE
 	  driver.  Specifically, it supports:
 		- Suunto ANT+ USB device.
 		- Fundamental Software dongle.
+		- Google USB serial devices
 		- HP4x calculators
 		- a number of Motorola phones
 		- Siemens USB/MPI adapter.
diff --git a/drivers/usb/serial/usb-serial-simple.c b/drivers/usb/serial/usb-serial-simple.c
index 147f01971c39..cc61d3781c21 100644
--- a/drivers/usb/serial/usb-serial-simple.c
+++ b/drivers/usb/serial/usb-serial-simple.c
@@ -51,6 +51,14 @@ DEVICE(funsoft, FUNSOFT_IDS);
 	{ USB_DEVICE(0x8087, 0x0716) }
 DEVICE(flashloader, FLASHLOADER_IDS);
 
+/* Google Serial USB SubClass */
+#define GOOGLE_IDS()						\
+	{ USB_VENDOR_AND_INTERFACE_INFO(0x18d1,			\
+					USB_CLASS_VENDOR_SPEC,	\
+					0x50,			\
+					0x01) }
+DEVICE(google, GOOGLE_IDS);
+
 /* ViVOpay USB Serial Driver */
 #define VIVOPAY_IDS()			\
 	{ USB_DEVICE(0x1d5f, 0x1004) }	/* ViVOpay 8800 */
@@ -86,6 +94,7 @@ static struct usb_serial_driver * const serial_drivers[] = {
 	&zio_device,
 	&funsoft_device,
 	&flashloader_device,
+	&google_device,
 	&vivopay_device,
 	&moto_modem_device,
 	&hp4x_device,
@@ -98,6 +107,7 @@ static const struct usb_device_id id_table[] = {
 	ZIO_IDS(),
 	FUNSOFT_IDS(),
 	FLASHLOADER_IDS(),
+	GOOGLE_IDS(),
 	VIVOPAY_IDS(),
 	MOTO_IDS(),
 	HP4X_IDS(),
-- 
2.3.0

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