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From: Hans de Goede <j.w.r.degoede@hhs.nl>
To: lm-sensors@vger.kernel.org
Subject: Re: [lm-sensors] [PATCH] sensors-detect: Check for 1-register-only
Date: Fri, 09 May 2008 10:47:18 +0000	[thread overview]
Message-ID: <48242BB6.3080404@hhs.nl> (raw)
In-Reply-To: <20080508224145.41cfa3ef@hyperion.delvare>

Jean Delvare wrote:
> Hi Hans,
> 
> On Fri, 09 May 2008 07:03:19 +0200, Hans de Goede wrote:
>> Perhaps it would be an idea to try to do an i2c (*) read transfer of more then 
>> 1 byte, it would be interesting to see how this specific 1 register device 
>> responds to this, maybe it will stop acking after the first byte is transfered 
>> because it has only one byte to send.
> 
> In master-receiver, slave-transmitter mode, it's the master who sets
> the ack bit, depending on whether it will ask for more bytes after that
> one (ack) or not (nack). The slave doesn't have its say. All the slave
> can do is send zero or maybe random bytes if it doesn't have data to
> send.

You're right, I didn't think about that.

Regards,

Hans


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  parent reply	other threads:[~2008-05-09 10:47 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-08 20:41 [lm-sensors] [PATCH] sensors-detect: Check for 1-register-only Jean Delvare
2008-05-09  5:03 ` Hans de Goede
2008-05-09  5:06 ` Hans de Goede
2008-05-09  6:46 ` Hans de Goede
2008-05-09 10:43 ` Jean Delvare
2008-05-09 10:47 ` Hans de Goede [this message]
2008-05-09 11:51 ` achim
2008-05-09 12:14 ` Jean Delvare
2008-05-09 15:29 ` Jean Delvare
2008-05-09 17:05 ` Jean Delvare
2008-05-09 17:31 ` achim
2008-05-09 21:02 ` Jean Delvare
2008-05-09 21:16 ` Ludovic Lebègue
2008-05-10 16:40 ` Jean Delvare
2008-05-11 16:23 ` Jean Delvare
2008-05-12 10:53 ` Achim Gottinger

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