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Commit e7181d00 authored by Martin Hauke's avatar Martin Hauke Committed by Johan Hovold
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USB: qcserial: Add support for HP lt4112 LTE/HSPA+ Gobi 4G Modem 



Added new device layout "DEVICE_HWI" and also added the USB VID/PID for the
HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e)

Signed-off-by: default avatarMartin Hauke <mardnh@gmx.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: default avatarJohan Hovold <johan@kernel.org>
parent 679315e5

drivers/usb/serial/qcserial.c

+33 −0
Original line number Diff line number Diff line
@@ -27,12 +27,15 @@ enum qcserial_layouts { 
	QCSERIAL_G2K = 0,	/* Gobi 2000 */

	QCSERIAL_G1K = 1,	/* Gobi 1000 */

	QCSERIAL_SWI = 2,	/* Sierra Wireless */

	QCSERIAL_HWI = 3,	/* Huawei */

};



#define DEVICE_G1K(v, p) \

	USB_DEVICE(v, p), .driver_info = QCSERIAL_G1K

#define DEVICE_SWI(v, p) \

	USB_DEVICE(v, p), .driver_info = QCSERIAL_SWI

#define DEVICE_HWI(v, p) \

	USB_DEVICE(v, p), .driver_info = QCSERIAL_HWI



static const struct usb_device_id id_table[] = {

	/* Gobi 1000 devices */
@@ -157,6 +160,9 @@ static const struct usb_device_id id_table[] = { 
	{DEVICE_SWI(0x413c, 0x81a8)},	/* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */

	{DEVICE_SWI(0x413c, 0x81a9)},	/* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */



	/* Huawei devices */

	{DEVICE_HWI(0x03f0, 0x581d)},	/* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */



	{ }				/* Terminating entry */

};

MODULE_DEVICE_TABLE(usb, id_table);
@@ -287,6 +293,33 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id) 
			break;

		}

		break;

	case QCSERIAL_HWI:

		/*

		 * Huawei layout:

		 * 0: AT-capable modem port

		 * 1: DM/DIAG

		 * 2: AT-capable modem port

		 * 3: CCID-compatible PCSC interface

		 * 4: QMI/net

		 * 5: NMEA

		 */

		switch (ifnum) {

		case 0:

		case 2:

			dev_dbg(dev, "Modem port found\n");

			break;

		case 1:

			dev_dbg(dev, "DM/DIAG interface found\n");

			break;

		case 5:

			dev_dbg(dev, "NMEA GPS interface found\n");

			break;

		default:

			/* don't claim any unsupported interface */

			altsetting = -1;

			break;

		}

		break;

	default:

		dev_err(dev, "unsupported device layout type: %lu\n",

			id->driver_info);