linux-kernel - Re: [PATCH v3 1/5] leds: lm3532: Fix brightness control for i2c mode

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Message-ID: <20190826215822.GY52127@atomide.com>
Date:   Mon, 26 Aug 2019 14:58:22 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     Dan Murphy <dmurphy@...com>
Cc:     jacek.anaszewski@...il.com, pavel@....cz, sre@...nel.org,
        nekit1000@...il.com, mpartap@....net, merlijn@...zup.org,
        linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/5] leds: lm3532: Fix brightness control for i2c mode

Hi,

* Dan Murphy <dmurphy@...com> [190820 19:53]:
> Fix the brightness control for I2C mode.  Instead of
> changing the full scale current register update the ALS target
> register for the appropriate banks.
> 
> In addition clean up some code errors and random misspellings found
> during coding.
> 
> Tested on Droid4 as well as LM3532 EVM connected to a BeagleBoneBlack
> 
> Fixes: e37a7f8d77e1 ("leds: lm3532: Introduce the lm3532 LED driver")
> Reported-by: Pavel Machek <pavel@....cz>
> Signed-off-by: Dan Murphy <dmurphy@...com>
> ---
> 
> v3 - Removed register define updates - https://lore.kernel.org/patchwork/patch/1114542/

Looks like starting with this patch in Linux next the LCD on droid4
is so dim it's unreadable even with brightness set to 255. Setting
brightness to 0 does blank it completely though.

Did something maybe break with the various patch revisions or are
we now missing some dts patch?

Regards,

Tony