From: Jean Delvare <khali-PUYAD+kWke1g9hUCZPvPmw@public.gmane.org>
To: Guenter Roeck <guenter.roeck-IzeFyvvaP7pWk0Htik3J/w@public.gmane.org>
Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Michael Lawnick <ml.lawnick-Mmb7MZpHnFY@public.gmane.org>,
Rodolfo Giometti
<giometti-AVVDYK/kqiJWk0Htik3J/w@public.gmane.org>
Subject: Re: Driver for pca9541 bus master selector
Date: Tue, 28 Sep 2010 17:16:07 +0200 [thread overview]
Message-ID: <20100928171607.395f7736@endymion.delvare> (raw)
In-Reply-To: <20100928143302.GA7593-IzeFyvvaP7pWk0Htik3J/w@public.gmane.org>
Hi Guenter,
On Tue, 28 Sep 2010 07:33:02 -0700, Guenter Roeck wrote:
> I am in the process of writing a driver for the pca9541 bus master selector.
> I using the i2c multiplexer framework, which fits the requirements quite nicely.
>
> If anyone happens to know about an existing driver for this chip, please let me know.
> I would love to get some input for the arbitration mechanism needed to determine
> if and when to switch bus ownership from one master to the other.
See drivers/i2c/muxes/pca954x.c in 2.6.36-rc2 and later.
--
Jean Delvare
next prev parent reply other threads:[~2010-09-28 15:16 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-28 14:33 Driver for pca9541 bus master selector Guenter Roeck
[not found] ` <20100928143302.GA7593-IzeFyvvaP7pWk0Htik3J/w@public.gmane.org>
2010-09-28 15:16 ` Jean Delvare [this message]
[not found] ` <20100928171607.395f7736-R0o5gVi9kd7kN2dkZ6Wm7A@public.gmane.org>
2010-09-28 16:07 ` Guenter Roeck
[not found] ` <20100928160746.GB7976-IzeFyvvaP7pWk0Htik3J/w@public.gmane.org>
2010-09-28 16:42 ` Jean Delvare
[not found] ` <20100928184215.00f82717-R0o5gVi9kd7kN2dkZ6Wm7A@public.gmane.org>
2010-09-28 17:16 ` Guenter Roeck
[not found] ` <20100928171627.GA8415-IzeFyvvaP7pWk0Htik3J/w@public.gmane.org>
2010-09-29 7:19 ` Jean Delvare
[not found] ` <20100929091928.16256bb7-R0o5gVi9kd7kN2dkZ6Wm7A@public.gmane.org>
2010-09-29 13:54 ` Guenter Roeck
[not found] ` <20100929135401.GA11771-IzeFyvvaP7pWk0Htik3J/w@public.gmane.org>
2010-09-30 5:59 ` Michael Lawnick
[not found] ` <4CA42750.5020500-Mmb7MZpHnFY@public.gmane.org>
2010-09-30 7:48 ` Guenter Roeck
2010-10-13 16:05 ` Guenter Roeck
2010-10-13 15:45 ` Guenter Roeck
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