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From: Guenter Roeck <linux@roeck-us.net>
To: Robert Rosengren <robert.rosengren@axis.com>
Cc: Johan Adolfsson <johana@axis.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"lm-sensors@lm-sensors.org" <lm-sensors@lm-sensors.org>
Subject: Re: [lm-sensors] [PATCH] hwmon: (ads7828) Make sample interval configurable
Date: Sat, 31 Jan 2015 12:11:11 -0800	[thread overview]
Message-ID: <54CD36DF.7010602@roeck-us.net> (raw)
In-Reply-To: <20150129193040.GA21937@roeck-us.net>

On 01/29/2015 11:30 AM, Guenter Roeck wrote:
> On Thu, Jan 29, 2015 at 01:07:10PM +0100, Robert Rosengren wrote:
>>
>>>
>>> Is your hardware big endian or little endian ?
>> CONFIG_CPU_LITTLE_ENDIAN=y
>>
> Hi Robert,
>
> I have another question: What is your i2c controller type ?
>

Robert,

I now tried both 3.15 and 3.19-rc6. Both kernels require the byte swap code.

The only reason I can imagine why you don't need it in your code would be
that your i2c controller does not support i2c functionality but only SMBus.
This would be the case, for example, with the i801 controller. So it would
be quite helpful to know which controller your system uses to access the
ads7828.

Thanks,
Guenter


WARNING: multiple messages have this Message-ID (diff)
From: Guenter Roeck <linux@roeck-us.net>
To: Robert Rosengren <robert.rosengren@axis.com>
Cc: Johan Adolfsson <johana@axis.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"lm-sensors@lm-sensors.org" <lm-sensors@lm-sensors.org>
Subject: Re: [lm-sensors] [PATCH] hwmon: (ads7828) Make sample interval configurable
Date: Sat, 31 Jan 2015 20:11:11 +0000	[thread overview]
Message-ID: <54CD36DF.7010602@roeck-us.net> (raw)
In-Reply-To: <20150129193040.GA21937@roeck-us.net>

On 01/29/2015 11:30 AM, Guenter Roeck wrote:
> On Thu, Jan 29, 2015 at 01:07:10PM +0100, Robert Rosengren wrote:
>>
>>>
>>> Is your hardware big endian or little endian ?
>> CONFIG_CPU_LITTLE_ENDIAN=y
>>
> Hi Robert,
>
> I have another question: What is your i2c controller type ?
>

Robert,

I now tried both 3.15 and 3.19-rc6. Both kernels require the byte swap code.

The only reason I can imagine why you don't need it in your code would be
that your i2c controller does not support i2c functionality but only SMBus.
This would be the case, for example, with the i801 controller. So it would
be quite helpful to know which controller your system uses to access the
ads7828.

Thanks,
Guenter


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lm-sensors@lm-sensors.org
http://lists.lm-sensors.org/mailman/listinfo/lm-sensors

  reply	other threads:[~2015-01-31 20:12 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-16 12:05 [PATCH] hwmon: (ads7828) Make sample interval configurable Robert Rosengren
2015-01-16 12:05 ` [lm-sensors] " Robert Rosengren
2015-01-16 14:52 ` Guenter Roeck
2015-01-16 14:52   ` [lm-sensors] " Guenter Roeck
2015-01-16 18:30   ` Guenter Roeck
2015-01-16 18:30     ` Guenter Roeck
2015-01-19 11:14     ` SV: " Robert Rosengren
2015-01-19 11:14       ` Robert Rosengren
2015-01-27  7:59     ` Robert Rosengren
2015-01-27  7:59       ` Robert Rosengren
2015-01-27 10:37       ` Jean Delvare
2015-01-27 10:37         ` Jean Delvare
2015-01-27 14:23         ` Guenter Roeck
2015-01-27 14:23           ` Guenter Roeck
2015-01-27 14:07       ` Guenter Roeck
2015-01-27 14:07         ` Guenter Roeck
2015-01-27 19:54         ` Robert Rosengren
2015-01-27 19:54           ` Robert Rosengren
2015-01-27 20:05           ` Guenter Roeck
2015-01-27 20:05             ` Guenter Roeck
2015-01-27 22:34             ` Jean Delvare
2015-01-27 22:34               ` Jean Delvare
2015-01-28  4:06               ` Guenter Roeck
2015-01-28  4:06                 ` Guenter Roeck
2015-01-27 14:26       ` Guenter Roeck
2015-01-27 14:26         ` Guenter Roeck
2015-01-27 16:37       ` Guenter Roeck
2015-01-27 16:37         ` Guenter Roeck
2015-01-16 20:30 ` Guenter Roeck
2015-01-16 20:30   ` [lm-sensors] " Guenter Roeck
2015-01-28  6:18 ` Robert Rosengren
2015-01-28  6:28   ` Robert Rosengren
2015-01-28  6:28     ` Robert Rosengren
2015-01-28 14:50   ` Guenter Roeck
2015-01-28 14:50     ` Guenter Roeck
2015-01-29  7:00     ` Robert Rosengren
2015-01-29  7:00       ` Robert Rosengren
2015-01-29  7:05       ` Guenter Roeck
2015-01-29  7:05         ` Guenter Roeck
2015-01-29 12:07         ` Robert Rosengren
2015-01-29 12:07           ` Robert Rosengren
2015-01-29 14:10           ` Guenter Roeck
2015-01-29 14:10             ` Guenter Roeck
2015-01-29 19:30           ` Guenter Roeck
2015-01-29 19:30             ` Guenter Roeck
2015-01-31 20:11             ` Guenter Roeck [this message]
2015-01-31 20:11               ` Guenter Roeck
2015-02-02  8:12               ` Robert Rosengren
2015-02-02  8:12                 ` Robert Rosengren
2015-02-02 16:21                 ` Guenter Roeck
2015-02-02 16:21                   ` Guenter Roeck

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