Re: [PATCH 2/4] input: tm2-touchkey: Add touchkey driver support for TM2

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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@xxxxxxxxxxx>
> Signed-off-by: Beomho Seo <beomho.seo@xxxxxxxxxxx>
> ---
>  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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