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

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Date: Thu, 02 May 2024 17:48:14 +0100
From: Lee Jones <lee@...nel.org>
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>, 
 Flavio Suligoi <f.suligoi@...m.it>
Cc: dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org, 
 linux-kernel@...r.kernel.org
Subject: Re: (subset) [PATCH v1 1/1] backlight: mp3309c: fix leds
 flickering in pwm mode

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

--
Lee Jones [李琼斯]