APPLIED/cmnt [OEM-OSP1-B] Re: [SRU][D/OEM-OSP1-B/E][PATCH 0/3] alsa/hdmi: add icelake hdmi audio support for a Dell machine

Timo Aaltonen tjaalton at ubuntu.com
Thu Jul 18 06:27:39 UTC 2019


On 18.7.2019 4.53, Hui Wang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1836916
> 
> This patch is needed to be merged to oem-osp1-b kernel ASAP, since
> our oem project is waiting for this patch.
> 
> And Since this patch is to support icl hdmi audio and it depends on
> i915 to support icl first, and our bionic and oem-b kernel doesn't
> support icl in their i915 driver, so these patchset doesn't work for
> B/OEM-B, as a result, I don't send them for B/OEM-B.
> 
> And the 0001-xxx.patch is already in the kernel-v5.1, so EAON kernel
> doesn't need to apply 0001-xxx.patch, only need to apply 0002 and 0003
> to EAON kernel.
> 
> [Impact]
> On a Dell icelake platform, the hdmi audio doesn't work at all, when users
> plug hdmi cable, they can't find hdmi audio from gnome-sound-setting.
> 
> [Fix]
> add icl hdmi audio id and related support patch to alsa driver.
> 
> [Test Case]
> after applying the patchset, we plug hdmi cable and the hdmi audio shows up
> in the sound-setting and works well, after unplugging the cable, the hdmi
> audio disappears as expected.
> 
> [Regression Risk]
> Low. this patchset is specific to a icl hdmi audio codec.

applied to osp1 oem-next, thanks

btw, I don't think this is needed in disco, which doesn't have full ICL
support anyway


-- 
t



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