Re: Keymap with duplicate entries

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> On Tue, Jul 02, 2019 at 11:29:58PM +0100, Malcolm Priestley wrote:
>>> Hey Malcolm,
>>>
>>> There seems to be a problem in  the keymap you provided for inclusion
>>> in the kernel.
>>>
>>> In media/rc/keymaps/rc-it913x-v2.c, 2 keys are triggered by the same
>>> keycode:
>>>  53 ↦       { 0x866b18, KEY_VOLUMEDOWN },•
>>>  55 ↦       { 0x866b18, KEY_CHANNELDOWN },•
>> Hmm
>>
>> I don't have this remote only the first one in this file.
>>
>> I am pretty sure the values for the second type were forwarded to me by another user.
> 
> I'm pretty sure (although I have not tested this) that the second mapping
> will overwite the first, so after the keymap is loaded 0x866b18 will be
> mapped to KEY_CHANNELDOWN.
It just finds the first magic number from the scan so KEY_VOLUMEDOWN is hit first

> 
> The current toml isn't loaded able but the kernel will set the initial
> keymap.
> 
> So, do current kernels work correctly with the remote you have?

Yes, it does

I will dig deep in the mailing list but these are cheap bubble button remotes I got a feeling there was a comment at the time that two buttons were the same scan.

Regards


Malcolm



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