From 464837a7bc0a3495e3490e3bf85099bb2300efbd Mon Sep 17 00:00:00 2001 From: David Henningsson Date: Thu, 7 Nov 2013 13:38:25 +0100 Subject: [PATCH] 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 Signed-off-by: Takashi Iwai --- sound/pci/hda/patch_hdmi.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index ce412d1a15d0..a96403a828af 100644 --- 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; } -- 2.20.1