linux-kernel - Re: [PATCHv1 0/6] leds: pca9653x: support inverted outputs and cleanups

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Date:	Tue, 19 Apr 2016 11:23:51 +0200
From:	Jacek Anaszewski <j.anaszewski@...sung.com>
To:	Olliver Schinagl <oliver@...inagl.nl>
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Richard Purdie <rpurdie@...ys.net>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-leds@...r.kernel.org,
	Peter Meerwald <pmeerw@...erw.net>,
	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
Subject: Re: [PATCHv1 0/6] leds: pca9653x: support inverted outputs and cleanups

Hi Olliver,

Thanks for the patches.
Adding driver authors on cc.

On 04/19/2016 09:40 AM, Olliver Schinagl wrote:
> Using the pca963x for a while, I noticed something that may look like some
> i2c accessing issues where sometimes data was incorrectly written to the bus,
> possibly because we where not properly locking the i2c reads. Though I'm not
> familiar enough with the i2c framework to be certain reads need to be locked
> at all. A patch was added to properly lock i2c access more tightly.
>
> Furthermore there was no method to support inverted outputs. This series
> adds a property to the device tree to inform the driver that the output
> is inverted (active-high vs active-low).
>
> Additionally, this patch set does some cleanups to please checkpatch, and
> removes a few magic values.
>
> Olliver Schinagl (6):
>    leds: pca963x: Alphabetize headers
>    leds: pca963x: Lock i2c r/w access
>    leds: pca963x: Add defines and remove some magic values
>    leds: pca963x: Reduce magic values
>    leds: pca963x: Inform the output that it is inverted
>    leds: pca963x: Remove whitespace and checkpatch problems
>
>   Documentation/devicetree/bindings/leds/pca963x.txt |   1 +
>   drivers/leds/leds-pca963x.c                        | 243 ++++++++++++++-------
>   include/linux/platform_data/leds-pca963x.h         |   1 +
>   3 files changed, 171 insertions(+), 74 deletions(-)
>


-- 
Best regards,
Jacek Anaszewski