diff options
Diffstat (limited to 'drivers/hid/hid-asus.c')
| -rw-r--r-- | drivers/hid/hid-asus.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c index 50c294be8324..1bb7b63b3150 100644 --- a/drivers/hid/hid-asus.c +++ b/drivers/hid/hid-asus.c @@ -67,6 +67,7 @@ MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad"); #define QUIRK_USE_KBD_BACKLIGHT BIT(5) #define QUIRK_T100_KEYBOARD BIT(6) #define QUIRK_T100CHI BIT(7) +#define QUIRK_G752_KEYBOARD BIT(8) #define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \ QUIRK_NO_INIT_REPORTS | \ @@ -670,6 +671,11 @@ static void asus_remove(struct hid_device *hdev) hid_hw_stop(hdev); } +static const __u8 asus_g752_fixed_rdesc[] = { + 0x19, 0x00, /* Usage Minimum (0x00) */ + 0x2A, 0xFF, 0x00, /* Usage Maximum (0xFF) */ +}; + static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { @@ -708,6 +714,27 @@ static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc, rdesc[391] = 0xff; rdesc[402] = 0x00; } + if (drvdata->quirks & QUIRK_G752_KEYBOARD && + *rsize == 75 && rdesc[61] == 0x15 && rdesc[62] == 0x00) { + /* report is missing usage mninum and maximum */ + __u8 *new_rdesc; + size_t new_size = *rsize + sizeof(asus_g752_fixed_rdesc); + + new_rdesc = devm_kzalloc(&hdev->dev, new_size, GFP_KERNEL); + if (new_rdesc == NULL) + return rdesc; + + hid_info(hdev, "Fixing up Asus G752 keyb report descriptor\n"); + /* copy the valid part */ + memcpy(new_rdesc, rdesc, 61); + /* insert missing part */ + memcpy(new_rdesc + 61, asus_g752_fixed_rdesc, sizeof(asus_g752_fixed_rdesc)); + /* copy remaining data */ + memcpy(new_rdesc + 61 + sizeof(asus_g752_fixed_rdesc), rdesc + 61, *rsize - 61); + + *rsize = new_size; + rdesc = new_rdesc; + } return rdesc; } @@ -718,10 +745,12 @@ static const struct hid_device_id asus_devices[] = { { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD), I2C_TOUCHPAD_QUIRKS }, { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, - USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1) }, + USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1), QUIRK_USE_KBD_BACKLIGHT }, { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT }, { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, + USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3), QUIRK_G752_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T100_KEYBOARD), QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES }, { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) }, |