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vc4: Add jack detection to HDMI audio driver

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Add ALSA jack detection to the vc4-hdmi audio driver so userspace knows
when to add/remove HDMI audio devices.

Signed-off-by: David Turner <david.turner@raspberrypi.com>
This commit is contained in:
David Turner
2025-02-05 16:11:35 +00:00
committed by Dom Cobley
parent 41959a21c0
commit ec2808a5dd
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/vc4/vc4_hdmi.c
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@@ -365,6 +365,12 @@ static void vc4_hdmi_handle_hotplug(struct vc4_hdmi *vc4_hdmi,
struct drm_connector *connector = &vc4_hdmi->connector; struct drm_connector *connector = &vc4_hdmi->connector;
int ret; int ret;
/*
* Needs to be called for both connects and disconnects for HDMI
* audio hotplug to work correctly.
*/
drm_atomic_helper_connector_hdmi_hotplug(connector, status);
/* /*
* NOTE: This function should really be called with vc4_hdmi->mutex * NOTE: This function should really be called with vc4_hdmi->mutex
* held, but doing so results in reentrancy issues since * held, but doing so results in reentrancy issues since
@@ -2344,6 +2350,8 @@ static int vc4_hdmi_audio_init(struct vc4_hdmi *vc4_hdmi)
dai_link->platforms->name = dev_name(dev); dai_link->platforms->name = dev_name(dev);
dai_link->init = vc4_hdmi_codec_init; dai_link->init = vc4_hdmi_codec_init;
dai_link->init = vc4_hdmi_codec_init;
card->dai_link = dai_link; card->dai_link = dai_link;
card->num_links = 1; card->num_links = 1;
card->name = vc4_hdmi->variant->card_name; card->name = vc4_hdmi->variant->card_name;