HID: samsung: Broaden device compatibility in samsung driver
authorSandeep C S <sandeep.cs@samsung.com>
Thu, 25 Jan 2024 04:36:24 +0000 (10:06 +0530)
committerJiri Kosina <jkosina@suse.com>
Thu, 25 Jan 2024 08:23:21 +0000 (09:23 +0100)
The USB validation check has been moved wherever its required.

Earlier Samsung driver only handles USB HID devices and returns an error if it
encounters a Bluetooth type of HID device.  This changes improves driver
compatibility and extends its support for a wide range of devices.

Signed-off-by: Sandeep C S <sandeep.cs@samsung.com>
Signed-off-by: Junwan Cho <junwan.cho@samsung.com>
Signed-off-by: Jitender Sajwan <jitender.s21@samsung.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
drivers/hid/hid-samsung.c

index cf5992e97094003628a4aaacbded99a9f3603a10..3a8756232731c90bc24123cbbb3e35413bb6d103 100644 (file)
@@ -128,7 +128,7 @@ static int samsung_kbd_mouse_input_mapping(struct hid_device *hdev,
 static __u8 *samsung_report_fixup(struct hid_device *hdev, __u8 *rdesc,
        unsigned int *rsize)
 {
-       if (USB_DEVICE_ID_SAMSUNG_IR_REMOTE == hdev->product)
+       if (USB_DEVICE_ID_SAMSUNG_IR_REMOTE == hdev->product && hid_is_usb(hdev))
                rdesc = samsung_irda_report_fixup(hdev, rdesc, rsize);
        return rdesc;
 }
@@ -139,7 +139,7 @@ static int samsung_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 {
        int ret = 0;
 
-       if (USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE == hdev->product)
+       if (USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE == hdev->product && hid_is_usb(hdev))
                ret = samsung_kbd_mouse_input_mapping(hdev,
                        hi, field, usage, bit, max);
 
@@ -152,9 +152,6 @@ static int samsung_probe(struct hid_device *hdev,
        int ret;
        unsigned int cmask = HID_CONNECT_DEFAULT;
 
-       if (!hid_is_usb(hdev))
-               return -EINVAL;
-
        ret = hid_parse(hdev);
        if (ret) {
                hid_err(hdev, "parse failed\n");
@@ -162,6 +159,10 @@ static int samsung_probe(struct hid_device *hdev,
        }
 
        if (USB_DEVICE_ID_SAMSUNG_IR_REMOTE == hdev->product) {
+               if (!hid_is_usb(hdev)) {
+                       ret = -EINVAL;
+                       goto err_free;
+               }
                if (hdev->rsize == 184) {
                        /* disable hidinput, force hiddev */
                        cmask = (cmask & ~HID_CONNECT_HIDINPUT) |