linux-kernel - RE: EXTERNAL: Re: (subset) [PATCH v1 1/1] backlight: mp3309c: fix leds flickering in pwm mode

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Message-ID:
 <PH0PR22MB37891FE6DC843E8EF05BDF7DFA1F2@PH0PR22MB3789.namprd22.prod.outlook.com>
Date: Fri, 3 May 2024 06:47:12 +0000
From: FLAVIO SULIGOI <f.suligoi@...m.it>
To: 'Lee Jones' <lee@...nel.org>, Daniel Thompson
	<daniel.thompson@...aro.org>, Jingoo Han <jingoohan1@...il.com>, Helge Deller
	<deller@....de>, Dan Carpenter <dan.carpenter@...aro.org>
CC: "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	"linux-fbdev@...r.kernel.org" <linux-fbdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: EXTERNAL: Re: (subset) [PATCH v1 1/1] backlight: mp3309c: fix
 leds flickering in pwm mode

Hi Lee,

...

> Subject: EXTERNAL: Re: (subset) [PATCH v1 1/1] backlight: mp3309c: fix
> leds flickering in pwm mode
> 
> [Use caution with links & attachments]
> 
> 
> 
> On Thu, 02 May 2024, Lee Jones wrote:
> 
> > On Wed, 17 Apr 2024 17:31:05 +0200, Flavio Suligoi wrote:
> > > The mp3309 has two configuration registers, named according to their
> > > address (0x00 and 0x01).
> > > In the second register (0x01), the bit DIMS (Dimming Mode Select)
> > > must be always 0 (zero), in both analog (via i2c commands) and pwm
> > > dimming mode.
> > >
> > > In the initial driver version, the DIMS bit was set in pwm mode and
> > > reset in analog mode.
> > > But if the DIMS bit is set in pwm dimming mode and other devices are
> > > connected on the same i2c bus, every i2c commands on the bus
> > > generates a flickering on the LEDs powered by the mp3309c.
> > >
> > > [...]
> >
> > Applied, thanks!
> >
> > [1/1] backlight: mp3309c: fix leds flickering in pwm mode
> >       commit: ce60cddc2abf61902dfca71d630624db95315124
> 
> Applied, but in future it's; I2C, PWM and LED, thanks.

Sorry for my question, but do you mean that I also have to add the I2C,
PWM and LED mailing lists in my messages related to the mp33309c patches?

> 
> --
> Lee Jones [李琼斯]

Thanks and best regards,
Flavio