[alsa-devel] regression in device count on hotplug

[Dave Airlie]

On 9 June 2015 at 12:53, Dave Airlie <airlied at gmail.com> wrote:
> Hi,
>
> I've been looking at mst support a bit more, and noticed a regression
> in the number of devices probing between 4.0 and 4.1
>
> On 4.0 if I boot with no dock, and cat /proc/asound/HDMI/codec#0
>
> Node 0x06 has Devices: 0
> if I dock
> I get
> Devices: 3, and the info about the 3 devices.
>
> On 4.1-rc6 if I boot with no dock, and cat
> I get Devices:0,
> however when I dock,
> I still get Devices: 0
>
> I haven't had time to bisect yet, but was hoping someone might be able
> to spot it from the symptoms.

Okay I've found a fix.

patch sent to alsa-devel.

Dave.