linux-kernel - [PATCH] usb: serial: option: add HP LT4220 support

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Date:   Tue,  3 Apr 2018 10:34:39 +0800
From:   Edward Chang <edward.chang.mcs@...il.com>
To:     johan@...nel.org, gregkh@...uxfoundation.org,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Edward Chang <edward.chang.mcs@...il.com>
Subject: [PATCH] usb: serial: option: add HP LT4220 support 

This patch adds support for HP LT4220. 

Signed-off-by: Edward Chang <edward.chang.mcs@...il.com>

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

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 2d8d915..a8988d5 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -548,6 +548,10 @@ static int  option_probe(struct usb_serial *serial,
 #define WETELECOM_PRODUCT_6802			0x6802
 #define WETELECOM_PRODUCT_WMD300		0x6803
 
+/* HP products */
+#define HP_VENDOR_ID				0x03f0
+#define HP_PRODUCT_LT4220			0x0857
+
 struct option_blacklist_info {
 	/* bitmask of interface numbers blacklisted for send_setup */
 	const unsigned long sendsetup;
@@ -2066,6 +2070,8 @@ struct option_blacklist_info {
 	{ 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_INTERFACE_CLASS(HP_VENDOR_ID, HP_PRODUCT_LT4220, USB_CLASS_VENDOR_SPEC),
+	  .driver_info = (kernel_ulong_t)&telit_le920a4_blacklist_1 },
 	{ } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
-- 
1.9.1