ALSA: hda - block HDMI jack reports while repolling

This fixes a race condition in case several monitors are being
repolled in parallel.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index ce412d1a15d064d5125c231f321ace6192093db0..a96403a828af4907228d8e776a50407e40986581 100644 (file)
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -1477,6 +1477,7 @@ static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
 
 static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
 {
+       struct hda_jack_tbl *jack;
        struct hda_codec *codec = per_pin->codec;
        struct hdmi_spec *spec = codec->spec;
        struct hdmi_eld *eld = &spec->temp_eld;
@@ -1564,6 +1565,11 @@ static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
                ret = true; /* AMD codecs create ELD by itself */
        else
                ret = !repoll || !pin_eld->monitor_present || pin_eld->eld_valid;
+
+       jack = snd_hda_jack_tbl_get(codec, pin_nid);
+       if (jack)
+               jack->block_report = !ret;
+
        mutex_unlock(&per_pin->lock);
        return ret;
 }