[Bug 90447] [SKL][Audio]cannot refresh the ELD information after xinit

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90447

--- Comment #20 from Libin Yang <libin.yang at intel.com> ---
Hi Chris,

Thanks for the details.

My test result is:

root at younglee-001:~# udevadm monitor --property --tag-match=HOTPLUG
monitor will print the received events for:
UDEV - the event which udev sends out after rule processing
KERNEL - the kernel uevent

KERNEL[70.693213] change   /devices/pci0000:00/0000:00:02.0/drm/card0 (drm)
ACTION=change
DEVNAME=/dev/dri/card0
DEVPATH=/devices/pci0000:00/0000:00:02.0/drm/card0
DEVTYPE=drm_minor
HOTPLUG=1
MAJOR=226
MINOR=0
SEQNUM=2984
SUBSYSTEM=drm

KERNEL[83.786766] change   /devices/pci0000:00/0000:00:02.0/drm/card0 (drm)
ACTION=change
DEVNAME=/dev/dri/card0
DEVPATH=/devices/pci0000:00/0000:00:02.0/drm/card0
DEVTYPE=drm_minor
HOTPLUG=1
MAJOR=226
MINOR=0
SEQNUM=2985
SUBSYSTEM=drm

And after I run the xrandr --auto, the audio driver can detect the hotplug and
the eld info is updated.

So this is userspace issue and the kernel is OK, right? Thanks for your help.

Regards,
Libin

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