ELD validity can change during the lifetime of a presence detect, so we need to be able to listen for changes on the ELD control.
Signed-off-by: David Henningsson david.henningsson@canonical.com --- sound/pci/hda/patch_hdmi.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 0e1d69d..b270dc0 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -75,6 +75,7 @@ struct hdmi_spec_per_pin { struct hda_codec *codec; struct hdmi_eld sink_eld; struct delayed_work work; + struct snd_kcontrol *eld_ctl; int repoll_count; bool non_pcm; bool chmap_set; /* channel-map override by ALSA API? */ @@ -411,6 +412,7 @@ static int hdmi_create_eld_ctl(struct hda_codec *codec, int pin_idx, if (err < 0) return err;
+ spec->pins[pin_idx].eld_ctl = kctl; return 0; }
@@ -1216,10 +1218,16 @@ static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll) if (eld_changed) memcpy(pin_eld->eld_buffer, eld->eld_buffer, eld->eld_size); + eld_changed |= pin_eld->eld_size != eld->eld_size; pin_eld->eld_size = eld->eld_size; pin_eld->info = eld->info; } mutex_unlock(&pin_eld->lock); + + if (eld_changed) + snd_ctl_notify(codec->bus->card, + SNDRV_CTL_EVENT_MASK_VALUE | SNDRV_CTL_EVENT_MASK_INFO, + &per_pin->eld_ctl->id); }
static void hdmi_repoll_eld(struct work_struct *work)