On Wed, 30 Mar 2011 18:42:44 +0100, Chris Wilson <[email protected]> wrote: > Once a NAK has been asserted by the slave, we need to reset the GMBUS > controller in order to continue. This is done by asserting the Software > Clear Interrupt bit and then clearing it again to restore operations. > > If we don't clear the NAK, then all future GMBUS xfers will fail, > including DDC probes and EDID retrieval. > > v2: Add some comments as suggested by Keith Packard. > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=35781 > Signed-off-by: Chris Wilson <[email protected]>
Reviewed-by: Keith Packard <[email protected]> -- [email protected]
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