Re: [PATCH] ALSA: hda/hdmi: add keep-alive support for ADL-P and DG2

On 2/15/2022 3:01 PM, Kai Vehmanen wrote:

static void silent_stream_disable(struct hda_codec *codec, @@ -1726,7 +1786,16 @@ static void silent_stream_disable(struct hda_codec *codec, { struct hdmi_spec *spec = codec->spec; struct hdmi_spec_per_cvt *per_cvt;

• int cvt_idx;

• int cvt_idx, err;
• err = snd_hda_power_up_pm(codec);
• if (err < 0 && err != -EACCES) {

• codec_err(codec,
  

• 	  "Failed to power up codec for silent stream disable ret=[%d]\n",
  

• 	  err);
  

• snd_hda_power_down_pm(codec);
  

If power up failed, do you need to power down?

• return;
  

• }

  mutex_lock(&per_pin->lock); if (!per_pin->silent_stream)