Re: [PATCH v5 2/2] leds: mt6360: Add LED driver for MT6360

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Jacek Anaszewski <jacek.anaszewski@xxxxxxxxx> 於 2020年10月21日 週三 上午5:47寫道:
>
> On 10/20/20 8:44 AM, Gene Chen wrote:
> > Jacek Anaszewski <jacek.anaszewski@xxxxxxxxx> 於 2020年10月9日 週五 上午5:51寫道:
> >>
> >> Hi Gene,
> >>
> >> On 10/7/20 3:42 AM, Gene Chen wrote:
> >>> From: Gene Chen <gene_chen@xxxxxxxxxxx>
> >>>
> >>> Add MT6360 LED driver include 2-channel Flash LED with torch/strobe mode,
> >>> 3-channel RGB LED support Register/Flash/Breath Mode, and 1-channel for
> >>> moonlight LED.
> >>>
> >>> Signed-off-by: Gene Chen <gene_chen@xxxxxxxxxxx>
> >>> ---
> >>>    drivers/leds/Kconfig       |  12 +
> >>>    drivers/leds/Makefile      |   1 +
> >>>    drivers/leds/leds-mt6360.c | 783 +++++++++++++++++++++++++++++++++++++++++++++
> >>>    3 files changed, 796 insertions(+)
> >>>    create mode 100644 drivers/leds/leds-mt6360.c
> >>>
> >>> diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
> >>> index 1c181df..c7192dd 100644
> >>> --- a/drivers/leds/Kconfig
> >>> +++ b/drivers/leds/Kconfig
> >>> @@ -271,6 +271,18 @@ config LEDS_MT6323
> >>>          This option enables support for on-chip LED drivers found on
> >>>          Mediatek MT6323 PMIC.
> >>>
> >>> +config LEDS_MT6360
> >>> +     tristate "LED Support for Mediatek MT6360 PMIC"
> >>> +     depends on LEDS_CLASS_FLASH && OF
> >>> +     depends on LEDS_CLASS_MULTICOLOR
> >>
> >> Since CONFIG_LED_CLASS_MULTICOLOR can be turned off you need to have
> >> below instead:
> >>
> >> depends on LEDS_CLASS_MULTICOLOR || !!LEDS_CLASS_MULTICOLOR
> >>
> >> Unless you want to prevent enabling the driver without RGB LED,
> >> but that does not seem to be reasonable at first glance.
> >>
> >
> > May I change to "select LEDS_CLASS_MULTICOLOR"?
> > I suppose RGB always use multicolor mode.
>
> You will also have moonlight LED that will not need multicolor
> framework. Is it somehow troublesome to keep "depends on"?
>

If only use ML LED and FLED,  DTSI will only define ML LED and FLED.
Therefore, the drivers probe will not register rgb multicolor device.
I will remove "depends", use "select" instead.

> --
> Best regards,
> Jacek Anaszewski




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