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

From: Jean Delvare <jdelvare@suse.de>
To: Robert Rosengren <robert.rosengren@axis.com>
Cc: Guenter Roeck <linux@roeck-us.net>,
	lm-sensors <lm-sensors@lm-sensors.org>,
	Johan Adolfsson <johana@axis.com>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [lm-sensors] [PATCH] hwmon: (ads7828) Make sample interval configurable
Date: Tue, 27 Jan 2015 11:37:50 +0100	[thread overview]
Message-ID: <1422355070.4499.136.camel@chaos.site> (raw)
In-Reply-To: <54C74567.9020201@axis.com>

Hi Robert,

Le Tuesday 27 January 2015 à 08:59 +0100, Robert Rosengren a écrit :
> 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.

This is expected, shouldn't be an issue if you are using a
libsensors-based application with a recent enough version of libsensors.

> Any ideas? Haven't had REGMAP configured in my kernel earlier, might it 
> be some specific configuration I miss?

How are you testing/reading exactly?

-- 
Jean Delvare
SUSE L3 Support