[PATCH v14 3/3] leds: flash: mt6370: Add MediaTek MT6370 flashlight support

[AngeloGioacchino Del Regno]

Il 11/10/22 06:05, ChiaEn Wu ha scritto:
> From: Alice Chen <alice_chen at richtek.com>
> 
> The MediaTek MT6370 is a highly-integrated smart power management IC,
> which includes a single cell Li-Ion/Li-Polymer switching battery
> charger, a USB Type-C & Power Delivery (PD) controller, dual Flash
> LED current sources, a RGB LED driver, a backlight WLED driver,
> a display bias driver and a general LDO for portable devices.
> 
> Add support for the MT6370 Flash LED driver. Flash LED in MT6370
> has 2 channels and support torch/strobe mode.
> 
> Signed-off-by: Alice Chen <alice_chen at richtek.com>
> Signed-off-by: ChiaEn Wu <chiaen_wu at richtek.com>
> ---
> 
> v14
> - Remove unused 'depend on OF' in Kconfig
> ---
>   drivers/leds/flash/Kconfig             |  14 +
>   drivers/leds/flash/Makefile            |   1 +
>   drivers/leds/flash/leds-mt6370-flash.c | 631 +++++++++++++++++++++++++++++++++
>   3 files changed, 646 insertions(+)
>   create mode 100644 drivers/leds/flash/leds-mt6370-flash.c
> 
> diff --git a/drivers/leds/flash/Kconfig b/drivers/leds/flash/Kconfig
> index d3eb689..0dd955c 100644
> --- a/drivers/leds/flash/Kconfig
> +++ b/drivers/leds/flash/Kconfig
> @@ -61,6 +61,20 @@ config LEDS_MT6360
>   	  Independent current sources supply for each flash LED support torch
>   	  and strobe mode.
>   
> +config LEDS_MT6370_FLASH
> +	tristate "Flash LED Support for MediaTek MT6370 PMIC"
> +	depends on LEDS_CLASS
> +	depends on LEDS_CLASS_FLASH || !LEDS_CLASS_FLASH

This dependency makes no sense, as the options in the Kconfig you're putting
this into gets parsed only `if LEDS_CLASS_FLASH`.
Please remove that.

> +	depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS

Well, if it depends on that being either y, m or n, it means that it does
not depend on that at all. Remove.

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

> +	depends on MFD_MT6370
> +	help
> +	  Support 2 channels and torch/strobe mode.
> +	  Say Y here to enable support for
> +	  MT6370_FLASH_LED device.
> +
> +	  This driver can also be built as a module. If so, the module
> +	  will be called "leds-mt6370-flash".
> +
>   config LEDS_RT4505
>   	tristate "LED support for RT4505 flashlight controller"
>   	depends on I2C && OF