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From da90e45d5afc4da2de7cd3ea7943d0f1baa47cc2 Mon Sep 17 00:00:00 2001
From: Asuna Yang <spriteovo@gmail.com>
Date: Wed, 22 Nov 2023 22:18:03 +0800
Subject: [PATCH] USB: serial: option: add Luat Air72*U series products
Git-commit: da90e45d5afc4da2de7cd3ea7943d0f1baa47cc2
Patch-mainline: v6.7-rc3
References: git-fixes

Update the USB serial option driver support for Luat Air72*U series
products.

ID 1782:4e00 Spreadtrum Communications Inc. UNISOC-8910

T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 13 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=1782 ProdID=4e00 Rev=00.00
S: Manufacturer=UNISOC
S: Product=UNISOC-8910
C: #Ifs= 5 Cfg#= 1 Atr=e0 MxPwr=400mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=e0(wlcon) Sub=01 Prot=03 Driver=rndis_host
E: Ad=82(I) Atr=03(Int.) MxPS= 8 Ivl=4096ms
I: If#= 1 Alt= 0 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=rndis_host
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I: If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms

If#= 2: AT
If#= 3: PPP + AT
If#= 4: Debug

Co-developed-by: Yangyu Chen <cyy@cyyself.name>
Signed-off-by: Yangyu Chen <cyy@cyyself.name>
Signed-off-by: Asuna Yang <SpriteOvO@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/usb/serial/option.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 06b9b04c022a..4dffcfefd62d 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -609,6 +609,8 @@ static void option_instat_callback(struct urb *urb);
 #define UNISOC_VENDOR_ID			0x1782
 /* TOZED LT70-C based on UNISOC SL8563 uses UNISOC's vendor ID */
 #define TOZED_PRODUCT_LT70C			0x4055
+/* Luat Air72*U series based on UNISOC UIS8910 uses UNISOC's vendor ID */
+#define LUAT_PRODUCT_AIR720U			0x4e00
 
 /* Device flags */
 
@@ -2273,6 +2275,7 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0xff, 0x40) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0, 0) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, TOZED_PRODUCT_LT70C, 0xff, 0, 0) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, LUAT_PRODUCT_AIR720U, 0xff, 0, 0) },
 	{ } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
-- 
2.35.3