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SubjectRe: [PATCH 2/4] input: tm2-touchkey: Add touchkey driver support for TM2
On Tue, Jan 03, 2017 at 04:57:15PM +0900, Jaechul Lee wrote:
> This patch adds support for the TM2 touch key and led
> functionlity.
>
> The driver interfaces with userspace through an input device and
> reports KEY_PHONE and KEY_BACK event types. LED brightness can be
> controlled by "/sys/class/leds/tm2-touchkey/brightness".
>
> Signed-off-by: Jaechul Lee <jcsing.lee@samsung.com>
> Signed-off-by: Beomho Seo <beomho.seo@samsung.com>
> ---
> drivers/input/keyboard/Kconfig | 11 ++
> drivers/input/keyboard/Makefile | 1 +
> drivers/input/keyboard/tm2-touchkey.c | 326 ++++++++++++++++++++++++++++++++++
> 3 files changed, 338 insertions(+)
> create mode 100644 drivers/input/keyboard/tm2-touchkey.c
>
> diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
> index cbd75cf..72c0ba1 100644
> --- a/drivers/input/keyboard/Kconfig
> +++ b/drivers/input/keyboard/Kconfig
> @@ -666,6 +666,17 @@ config KEYBOARD_TC3589X
> To compile this driver as a module, choose M here: the
> module will be called tc3589x-keypad.
>
> +config KEYBOARD_TM2_TOUCHKEY
> + tristate "tm2-touchkey support"
> + depends on I2C
> + help
> + Say Y here to enable the tm2-touchkey.

The ending full stop is not needed.

> + touchkey driver for tm2. This driver can enable
> + the interrupt and make input events and control led brightness.

This sentence needs improvements. How about just:
"Beside input device, this driver provides also brightness control for
LEDs on touch keys."

Best regards,
Krzysztof

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