linux-kernel - Re: [PATCH 2/3] iio: st_sensors: Disable DRDY at init time

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Message-ID: <CACRpkdaymW6ZQ5at6eXZrZ+kCiw=8Zt8E2xwKBtxQZR67c5sxg@mail.gmail.com>
Date:	Tue, 24 May 2016 13:28:07 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Crestez Dan Leonard <leonard.crestez@...el.com>
Cc:	Jonathan Cameron <jic23@...nel.org>,
	"linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Hartmut Knaack <knaack.h@....de>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Peter Meerwald-Stadler <pmeerw@...erw.net>,
	Daniel Baluta <daniel.baluta@...el.com>,
	Giuseppe Barba <giuseppe.barba@...com>,
	Denis Ciocca <denis.ciocca@...com>
Subject: Re: [PATCH 2/3] iio: st_sensors: Disable DRDY at init time

On Fri, May 13, 2016 at 8:43 PM, Crestez Dan Leonard
<leonard.crestez@...el.com> wrote:

> This fixes odd behavior after reboot.
>
> The fact that we set the device to powerdown mode is not sufficient to
> prevent DRDY being active because we might still have an unread sample.
>
> Even if powerdown was sufficient keeping DRDY disabled while trigger is
> not active is a good idea.
>
> Cc: Linus Walleij <linus.walleij@...aro.org>
> Cc: Giuseppe Barba <giuseppe.barba@...com>
> Cc: Denis Ciocca <denis.ciocca@...com>
> Signed-off-by: Crestez Dan Leonard <leonard.crestez@...el.com>

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij