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[3/4] ALSA: hda/hdmi: Move runtime PM resume into hdmi_present_sense_via_verbs()

Message ID 20210309040431.822723-4-kai.heng.feng@canonical.com
State New
Headers show
Series Fix missing HDMI/DP audio on NVidia card after S3 | expand

Commit Message

Kai-Heng Feng March 9, 2021, 4:04 a.m. UTC 
From: Takashi Iwai <tiwai@suse.de>

BugLink: https://bugs.launchpad.net/bugs/1918228

For improving the readability, move the runtime PM handling code from
hdmi_present_sense() to hdmi_present_sense_via_verbs().  Now
hdmi_present_sense() became symmetric for both audio-component and
legacy cases.

Just a minor code refactoring.

Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Nikhil Mahale <nmahale@nvidia.com>
Link: https://lore.kernel.org/r/20200206162804.4734-4-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
(cherry picked from commit ae47e2ec5b4504cd91968e97ce2dab4ccd346fb6)
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
---
 sound/pci/hda/patch_hdmi.c | 20 +++++++++-----------
 1 file changed, 9 insertions(+), 11 deletions(-)
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Patch

diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index b3f99882bfdb8..69038e469730b 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -1607,6 +1607,11 @@  static void hdmi_present_sense_via_verbs(struct hdmi_spec_per_pin *per_pin,
 	 */
 	int present;
 	bool do_repoll = false;
+	int ret;
+
+	ret = snd_hda_power_up_pm(codec);
+	if (ret < 0 && pm_runtime_suspended(hda_codec_dev(codec)))
+		goto out;
 
 	present = snd_hda_jack_pin_sense(codec, pin_nid, dev_id);
 
@@ -1640,6 +1645,8 @@  static void hdmi_present_sense_via_verbs(struct hdmi_spec_per_pin *per_pin,
 		do_update_eld(codec, per_pin, eld);
 
 	mutex_unlock(&per_pin->lock);
+ out:
+	snd_hda_power_down_pm(codec);
 }
 
 /* update ELD and jack state via audio component */
@@ -1677,20 +1684,11 @@  static void sync_eld_via_acomp(struct hda_codec *codec,
 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
 {
 	struct hda_codec *codec = per_pin->codec;
-	int ret;
 
-	/* no temporary power up/down needed for component notifier */
-	if (!codec_has_acomp(codec)) {
-		ret = snd_hda_power_up_pm(codec);
-		if (ret < 0 && pm_runtime_suspended(hda_codec_dev(codec))) {
-			snd_hda_power_down_pm(codec);
-			return;
-		}
+	if (!codec_has_acomp(codec))
 		hdmi_present_sense_via_verbs(per_pin, repoll);
-		snd_hda_power_down_pm(codec);
-	} else {
+	else
 		sync_eld_via_acomp(codec, per_pin);
-	}
 }
 
 static void hdmi_repoll_eld(struct work_struct *work)