On Mon, Oct 12, 2015 at 01:35:54PM +0200, Hans Verkuil wrote:
> On 10/06/2015 07:06 PM, Russell King - ARM Linux wrote:
> > Surely you aren't proposing that drivers should write directly to
> > adap->phys_addr without calling some notification function that the
> > physical address has changed?
>
> Userspace is informed through CEC_EVENT_STATE_CHANGE when the adapter is
> enabled/disabled. When the adapter is enabled and CEC_CAP_PHYS_ADDR is
> not set (i.e. the kernel takes care of this), then calling
> CEC_ADAP_G_PHYS_ADDR
> returns the new physical address.
Okay, so when I see the EDID arrive, I should be doing:
phys = parse_hdmi_addr(block->edid);
cec->adap->phys_addr = phys;
cec_enable(cec->adap, true);
IOW, you _are_ expecting adap->phys_addr to be written, but only while
the adapter is disabled?
Thanks.
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