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drivers: ht16k33: convert keyscan driver from gpio API to kscan API

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Convert the keyscan portion of the Holtek HT16K33 driver to adhere to
the kscan API instead of the GPIO API.

When this driver was introduced the kscan API was not present. The
keyscan driver was therefore implemented as a GPIO interrupt driver.

Signed-off-by: Henrik Brix Andersen <henrik@brixandersen.dk>
This commit is contained in:
Henrik Brix Andersen 2021-06-14 22:58:56 +02:00 • committed by Carles Cufí
commit 588d22a755
17 changed files with 153 additions and 391 deletions
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12
drivers/kscan/Kconfig.ht16k33 Normal file
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# Copyright (c) 2019 - 2021 Henrik Brix Andersen <henrik@brixandersen.dk>
# SPDX-License-Identifier: Apache-2.0
config KSCAN_HT16K33
bool "HT16K33 keyscan driver"
depends on HT16K33_KEYSCAN
help
Enable keyscan driver for HT16K33.
The HT16K33 is a memory mapping, multifunction LED
controller driver. The controller supports matrix key scan
circuit of up to 13x3 keys.