linux-kernel - Re: [lm-sensors] [PATCH] hwmon: (ads7828) Make sample interval configurable

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Message-ID: <20150127163723.GA25845@roeck-us.net>
Date:	Tue, 27 Jan 2015 08:37:23 -0800
From:	Guenter Roeck <linux@...ck-us.net>
To:	Robert Rosengren <robert.rosengren@...s.com>
Cc:	Jean Delvare <jdelvare@...e.de>,
	"lm-sensors@...sensors.org" <lm-sensors@...sensors.org>,
	Johan Adolfsson <johana@...s.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [lm-sensors] [PATCH] hwmon: (ads7828) Make sample interval
 configurable

On Tue, Jan 27, 2015 at 08:59:35AM +0100, Robert Rosengren wrote:
> On 01/16/2015 07:30 PM, Guenter Roeck wrote:
> >I sent a couple of patches a minute ago which should take care of the issue.
> >Would be great if you can test it.
> I applied the v2 versions of the patches for a quick test, but it was not
> successful. Haven't done any further investigation on what the problem might
> be, but when trying to read the sysfs driver I get "read error: No such
> device or address".
> 
> The sysfs path have moved with the REGMAP settings, from
> /sys/bus/i2c/devices/<x>/in0_input to
> /sys/bus/i2c/devices/<x>/hwmon/hwmon0/in0_input.
> 
> Any ideas? Haven't had REGMAP configured in my kernel earlier, might it be
> some specific configuration I miss?
> 

My module test script at github.com/groeck/module-tests.git passes. Only
downside is that it doesn't use real register values since I do not have
a register dump.

I requested samples for both ads2828 and ads2830, so I should be able
to test the code myself on real hardware in a couple of days.

Guenter
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