Question regarding HDMI Audio support on i.MX6 with vanilla kernel

[Fabio Estevam]

Hi Luís,

On Mon, Nov 6, 2017 at 9:46 AM, Luís Mendes <luis.p.mendes at gmail.com> wrote:
> Hi Russell,
>
> First of all sorry for posting this here, it isn't directly related with
> etnaviv, but results from the use of vanilla kernels.
>
> I have been struggling with DW-HDMI to output audio... I've noticed that the
> driver is loaded and that alsa shows the audio device, but I am unable to
> get sound.
> No sound output even if I set the sound output with alsa or pacmd. Alsa
> shows no mixer or mute controls for the output.
>
> Does anyone know if HDMI audio is working on i.MX with vanilla kernels?

The alsalib conf Russell has sent you should fix the problem.

I remember I managed to get HDMI audio working with his alsalib on mx6:
https://patchwork.kernel.org/patch/6975381/

Regards,

Fabio Estevam