linux-kernel - [PATCH 5.10 58/80] USB: cdc-acm: Add Icom PMR F3400 support (0c26:0020)

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Date:   Tue,  6 Sep 2022 15:30:55 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Thierry GUIBERT <thierry.guibert@...ix-rouge.fr>,
        stable <stable@...nel.org>
Subject: [PATCH 5.10 58/80] USB: cdc-acm: Add Icom PMR F3400 support (0c26:0020)

From: Thierry GUIBERT <thierry.guibert@...ix-rouge.fr>

commit a10bc71729b236fe36de0d8e4d35c959fd8dec3a upstream.

Supports for ICOM F3400 and ICOM F4400 PMR radios in CDC-ACM driver
enabling the AT serial port.
The Vendor Id is 0x0C26
The Product ID is 0x0020

Output of lsusb :
Bus 001 Device 009: ID 0c26:0020 Prolific Technology Inc. ICOM Radio
Couldn't open device, some information will be missing
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            2 Communications
  bDeviceSubClass         0
  bDeviceProtocol         0
  bMaxPacketSize0        64
  idVendor           0x0c26 Prolific Technology Inc.
  idProduct          0x0020
  bcdDevice            0.00
  iManufacturer           1 ICOM Inc.
  iProduct                2 ICOM Radio
  iSerial                 3 *obfuscated*
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength       0x0030
    bNumInterfaces          2
    bConfigurationValue     1
    iConfiguration          0
    bmAttributes         0xc0
      Self Powered
    MaxPower                0mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass         2 Communications
      bInterfaceSubClass      2 Abstract (modem)
      bInterfaceProtocol      1 AT-commands (v.25ter)
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x83  EP 3 IN
        bmAttributes            3
          Transfer Type            Interrupt
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0040  1x 64 bytes
        bInterval              12
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        1
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass        10 CDC Data
      bInterfaceSubClass      0
      bInterfaceProtocol      0
      iInterface              0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x82  EP 2 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x02  EP 2 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0

Signed-off-by: Thierry GUIBERT <thierry.guibert@...ix-rouge.fr>
Cc: stable <stable@...nel.org>
Link: https://lore.kernel.org/r/20220819081702.84118-1-thierry.guibert@croix-rouge.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/usb/class/cdc-acm.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1830,6 +1830,9 @@ static const struct usb_device_id acm_id
 	{ USB_DEVICE(0x09d8, 0x0320), /* Elatec GmbH TWN3 */
 	.driver_info = NO_UNION_NORMAL, /* has misplaced union descriptor */
 	},
+	{ USB_DEVICE(0x0c26, 0x0020), /* Icom ICF3400 Serie */
+	.driver_info = NO_UNION_NORMAL, /* reports zero length descriptor */
+	},
 	{ USB_DEVICE(0x0ca6, 0xa050), /* Castles VEGA3000 */
 	.driver_info = NO_UNION_NORMAL, /* reports zero length descriptor */
 	},