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From d57ec3c83b5153217a70b561d4fb6ed96f2f7a25 Mon Sep 17 00:00:00 2001
From: Tore Anderson <tore@fud.no>
Date: Sat, 8 Dec 2018 19:05:12 +0100
Subject: [PATCH] USB: serial: option: add HP lt4132
Git-commit: d57ec3c83b5153217a70b561d4fb6ed96f2f7a25
Patch-mainline: v4.20
References: bsc#1051510

The HP lt4132 is a rebranded Huawei ME906s-158 LTE modem.

The interface with protocol 0x16 is "CDC ECM & NCM" according to the *.inf
files included with the Windows driver. Attaching the option driver to it
doesn't result in a /dev/ttyUSB* device being created, so I've excluded it.
Note that it is also excluded for corresponding Huawei-branded devices, cf.
commit d544db293a44 ("USB: support new huawei devices in option.c").

T: Bus=01 Lev=01 Prnt=01 Port=02 Cnt=02 Dev#=  3 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=ff MxPS=64 #Cfgs=  3
P: Vendor=03f0 ProdID=a31d Rev=01.02
S: Manufacturer=HP Inc.
S: Product=HP lt4132 LTE/HSPA+ 4G Module
S: SerialNumber=0123456789ABCDEF
C: #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr=2mA
I: If#=0x0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=06 Prot=10 Driver=option
I: If#=0x1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=06 Prot=13 Driver=option
I: If#=0x2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=06 Prot=12 Driver=option
I: If#=0x3 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=06 Prot=16 Driver=(none)
I: If#=0x4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=06 Prot=14 Driver=option
I: If#=0x5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=06 Prot=1b Driver=option

C: #Ifs= 7 Cfg#= 2 Atr=a0 MxPwr=2mA
I: If#=0x0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=06 Prot=00 Driver=cdc_ether
I: If#=0x1 Alt= 0 #EPs= 2 Cls=0a(data ) Sub=06 Prot=00 Driver=cdc_ether
I: If#=0x2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=06 Prot=10 Driver=option
I: If#=0x3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=06 Prot=13 Driver=option
I: If#=0x4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=06 Prot=12 Driver=option
I: If#=0x5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=06 Prot=14 Driver=option
I: If#=0x6 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=06 Prot=1b Driver=option

C: #Ifs= 3 Cfg#= 3 Atr=a0 MxPwr=2mA
I: If#=0x0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim
I: If#=0x1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
I: If#=0x2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=06 Prot=14 Driver=option

Signed-off-by: Tore Anderson <tore@fud.no>
Cc: stable@vger.kernel.org
[ johan: drop id defines ]

Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/usb/serial/option.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index e24ff16d4147..642624fc75ad 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1940,7 +1940,12 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_WMD200, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_6802, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_WMD300, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x421d, 0xff, 0xff, 0xff) }, /* HP lt2523 (Novatel E371) */
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x421d, 0xff, 0xff, 0xff) },	/* HP lt2523 (Novatel E371) */
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0xa31d, 0xff, 0x06, 0x10) },	/* HP lt4132 (Huawei ME906s-158) */
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0xa31d, 0xff, 0x06, 0x12) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0xa31d, 0xff, 0x06, 0x13) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0xa31d, 0xff, 0x06, 0x14) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0xa31d, 0xff, 0x06, 0x1b) },
 	{ } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
-- 
2.19.2