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From 7e7ae38bf928c5cfa6dd6e9a2cf8b42c84a27c92 Mon Sep 17 00:00:00 2001
From: Yoshiaki Okamoto <yokamoto@allied-telesis.co.jp>
Date: Sat, 20 Jul 2019 22:23:18 +0900
Subject: [PATCH] USB: serial: option: Add support for ZTE MF871A
Git-commit: 7e7ae38bf928c5cfa6dd6e9a2cf8b42c84a27c92
Patch-mainline: v5.3-rc5
References: bsc#1051510

This patch adds support for MF871A USB modem (aka Speed USB STICK U03)
to option driver. This modem is manufactured by ZTE corporation, and
sold by KDDI.

Interface layout:
0: AT
1: MODEM

usb-devices output:
T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  9 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P: Vendor=19d2 ProdID=1481 Rev=52.87
S: Manufacturer=ZTE,Incorporated
S: Product=ZTE Technologies MSM
S: SerialNumber=1234567890ABCDEF
C: #Ifs= 2 Cfg#= 1 Atr=80 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
I: If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option

Co-developed-by: Hiroyuki Yamamoto <hyamamo@allied-telesis.co.jp>
Signed-off-by: Hiroyuki Yamamoto <hyamamo@allied-telesis.co.jp>
Signed-off-by: Yoshiaki Okamoto <yokamoto@allied-telesis.co.jp>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/usb/serial/option.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index c1582fbd1150..23d4a5f543af 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1549,6 +1549,7 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1428, 0xff, 0xff, 0xff),  /* Telewell TW-LTE 4G v2 */
 	  .driver_info = RSVD(2) },
 	{ USB_DEVICE_INTERFACE_CLASS(ZTE_VENDOR_ID, 0x1476, 0xff) },	/* GosunCn ZTE WeLink ME3630 (ECM/NCM mode) */
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1481, 0xff, 0x00, 0x00) }, /* ZTE MF871A */
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1533, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1534, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1535, 0xff, 0xff, 0xff) },
-- 
2.16.4