ACK/Cmnt: [SRU][D][PATCH 0/3] alsa/hdmi: add icelake hdmi audio support for a Dell machine

Stefan Bader stefan.bader at
Mon Aug 12 12:03:48 UTC 2019

On 17.07.19 16:42, Hui Wang wrote:
> BugLink:
> 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.
The latter 2 patches are now upstream. So with updated sha1 references, I think
its ok now for disco.

> Jaroslav Kysela (1):
>   ALSA: hda: hdmi - add Icelake support
> Takashi Iwai (2):

commit eb4177116bf568a413c544eca3f4446cb4064be9
>   ALSA: hda/hdmi - Remove duplicated define
commit 3140aafb22edeab0cc41f15f53b12a118c0ac215
>   ALSA: hda/hdmi - Fix i915 reverse port/pin mapping
>  sound/pci/hda/patch_hdmi.c | 90 +++++++++++++++++++++++++++++---------
>  1 file changed, 69 insertions(+), 21 deletions(-)
Acked-by: Stefan Bader <stefan.bader at>

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