[PATCH v2 5/7] Input: mt6779-keypad - support double keys matrix

[AngeloGioacchino Del Regno]

Il 26/07/22 14:56, Mattijs Korpershoek ha scritto:
> MediaTek keypad has 2 modes of detecting key events:
> - single key: each (row, column) can detect one key
> - double key: each (row, column) is a group of 2 keys
> 
> Double key support exists to minimize cost, since it reduces the number
> of pins required for physical keys.
> 
> Double key is configured by setting BIT(0) of the KP_SEL register.
> 
> Enable double key matrix support based on the mediatek,keys-per-group
> device tree property.
> 
> Signed-off-by: Mattijs Korpershoek <mkorpershoek at baylibre.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>