Re: [PATCH v3] drm/omap: Report HDMI hotplug events to the ASoC HDMI codec

Tomi Valkeinen <[email protected]>
Newsgroups org.kernel.vger.linux-sound,org.freedesktop.lists.dri-devel,org.kernel.vger.linux-kernel,org.kernel.vger.linux-omap
Message-ID <[email protected]>
Hi,

On 19/08/2026 20:19, Ivaylo Dimitrov wrote:
> The OMAP HDMI audio driver currently has no way of reporting HDMI cable
> hotplug events to ASoC. As a result, user space cannot detect HDMI audio
> availability through the standard jack mechanism and audio policy managers
> cannot automatically route audio to or from the HDMI output.
> 
> Add an optional HPD callback to `omap_hdmi_audio_pdata` and invoke it from
> the DRM HDMI bridge whenever the connector status changes. The HDMI audio
> driver registers an ASoC jack and reports `SND_JACK_AVOUT` state changes in
> response to these notifications.
> 
> Also fix the disconnect path by taking a runtime PM reference before
> updating the CEC physical address.
> 
> Signed-off-by: Ivaylo Dimitrov <[email protected]>
> ---
>   drivers/gpu/drm/omapdrm/dss/hdmi.h        |  6 +++
>   drivers/gpu/drm/omapdrm/dss/hdmi4.c       | 29 ++++++++++---
>   drivers/gpu/drm/omapdrm/dss/hdmi5.c       | 37 +++++++++++++---
>   drivers/gpu/drm/omapdrm/dss/hdmi_common.c | 14 ++++++
>   include/sound/omap-hdmi-audio.h           |  1 +
>   sound/soc/ti/omap-hdmi.c                  | 53 +++++++++++++++++++++--
>   6 files changed, 125 insertions(+), 15 deletions(-)
Thanks, picking up to drm-misc-next.

  Tomi
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