From: FLAVIO SULIGOI <f.suligoi@asem.it>
To: 'Lee Jones' <lee@kernel.org>
Cc: Daniel Thompson <daniel.thompson@linaro.org>,
Jingoo Han <jingoohan1@gmail.com>, Helge Deller <deller@gmx.de>,
Dan Carpenter <dan.carpenter@linaro.org>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
"linux-fbdev@vger.kernel.org" <linux-fbdev@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: EXTERNAL: Re: (subset) [PATCH v1 1/1] backlight: mp3309c: fix leds flickering in pwm mode
Date: Fri, 3 May 2024 07:35:44 +0000 [thread overview]
Message-ID: <PH0PR22MB3789923F70E128DB14DCD073FA1F2@PH0PR22MB3789.namprd22.prod.outlook.com> (raw)
In-Reply-To: <20240503070717.GB1227636@google.com>
Hi Lee,
...
> Subject: Re: EXTERNAL: Re: (subset) [PATCH v1 1/1] backlight: mp3309c:
> fix leds flickering in pwm mode
>
> On Fri, 03 May 2024, FLAVIO SULIGOI wrote:
>
> > 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?
>
> Just use proper capitalisation when you abbreviate the names these
> subsystems please.
Ah, ok, I got it!
>
> --
> Lee Jones [李琼斯]
Thanks for your explanation,
Flavio
prev parent reply other threads:[~2024-05-03 7:35 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-17 15:31 [PATCH v1 0/1] backlight: mp3309c: fix leds flickering in pwm mode Flavio Suligoi
2024-04-17 15:31 ` [PATCH v1 1/1] " Flavio Suligoi
2024-04-18 8:41 ` Daniel Thompson
2024-05-02 16:48 ` (subset) " Lee Jones
2024-05-02 16:48 ` Lee Jones
2024-05-03 6:47 ` EXTERNAL: " FLAVIO SULIGOI
2024-05-03 7:07 ` Lee Jones
2024-05-03 7:35 ` FLAVIO SULIGOI [this message]
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