On Fri, Nov 30, 2018 at 7:46 AM Chris Chiu <chiu@xxxxxxxxxxxx> wrote: > > The ASUS laptops start to support the airplane mode radio management > to replace the original machanism of airplane mode toggle hotkey. > On the ASUS P5440FF, it presents as a HID device connecting via > I2C, name i2c-AMPD0001. When pressing hotkey, the Embedded Controller > send hid report up via I2C and switch the airplane mode indicator > LED based on the status. > > However, it's not working because it fails to be identified as a > hidinput device. It fails in hidinput_connect() due to the macro > IS_INPUT_APPLICATION doesn't identify HID_GD_WIRELESS_RADIO_CTLS > as a legit application code. > > It's easy to add the HID I2C vendor and product id to the quirk > list and apply HID_QUIRK_HIDINPUT_FORCE to make it work. But it > can be more generic to support such kind of application on PC. Sounds good, but while you are at it, can you please: - fix the kbuild warning - rewrite the whole line to use macros, - make the macro prettier by inserting new lines were required - and define the missing macro: 0x000d0006 -> HID_DG_WHITEBOARD Maybe we should keep the ranges definitions with raw values and put a comment on the side with the names. Cheers, Benjamin > > Signed-off-by: Chris Chiu <chiu@xxxxxxxxxxxx> > --- > include/linux/hid.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/include/linux/hid.h b/include/linux/hid.h > index d44a78362942..f4805f605fed 100644 > --- a/include/linux/hid.h > +++ b/include/linux/hid.h > @@ -836,7 +836,7 @@ static inline bool hid_is_using_ll_driver(struct hid_device *hdev, > > /* Applications from HID Usage Tables 4/8/99 Version 1.1 */ > /* We ignore a few input applications that are not widely used */ > -#define IS_INPUT_APPLICATION(a) (((a >= 0x00010000) && (a <= 0x00010008)) || (a == 0x00010080) || (a == 0x000c0001) || ((a >= 0x000d0002) && (a <= 0x000d0006))) > +#define IS_INPUT_APPLICATION(a) (((a >= 0x00010000) && (a <= 0x00010008)) || (a == 0x00010080) || || (a == 0x0001000c) || (a == 0x000c0001) || ((a >= 0x000d0002) && (a <= 0x000d0006))) > > /* HID core API */ > > -- > 2.11.0 >