Re: [PATCH V17 3/3] Input: new da7280 haptic driver

From: Randy Dunlap
Date: Thu Jul 23 2020 - 16:50:49 EST


On 7/23/20 8:01 AM, Roy Im wrote:
> diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
> index 362e8a0..06dc5a3 100644
> --- a/drivers/input/misc/Kconfig
> +++ b/drivers/input/misc/Kconfig
> @@ -869,4 +869,17 @@ config INPUT_STPMIC1_ONKEY
> To compile this driver as a module, choose M here: the
> module will be called stpmic1_onkey.
>
> +config INPUT_DA7280_HAPTICS
> + tristate "Dialog Semiconductor DA7280 haptics support"
> + depends on INPUT && I2C
> + select INPUT_FF_MEMLESS
> + select REGMAP_I2C
> + help
> + Say Y to enable support for the Dialog DA7280 haptics driver.
> + The haptics can be controlled by I2C communication,
> + or by PWM input, or by GPI.

Is that GPIO.
?

Can the haptics be controlled only by PWM or only by GPI(O)?

Just curious: why is I2C required to build the driver if a user is
only controlling the device by PWM or GPI?


> +
> + To compile this driver as a module, choose M here: the
> + module will be called da7280.
> +
> endif

thanks.
--
~Randy