sound fixes for 4.19-rc1

no surprises here: a regression fix for virmidi code refactoring,
 three fixes for the new AC97 bus compat and runtime PM, and a usual
 HD-audio quirk.
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Merge tag 'sound-fix-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "No surprises here: a regression fix for virmidi code refactoring,
  three fixes for the new AC97 bus compat and runtime PM, and a usual
  HD-audio quirk"

* tag 'sound-fix-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda/realtek - Fix HP Headset Mic can't record
  ALSA: ac97: fix unbalanced pm_runtime_enable
  ALSA: ac97: fix check of pm_runtime_get_sync failure
  ALSA: ac97: fix device initialization in the compat layer
  ALSA: seq: virmidi: Fix discarding the unsubscribed output

sound/ac97/bus.c

@@ -529,7 +529,7 @@ static int ac97_bus_remove(struct device *dev)
 	int ret;
 
 	ret = pm_runtime_get_sync(dev);
-	if (ret)
+	if (ret < 0)
 		return ret;
 
 	ret = adrv->remove(adev);
@@ -537,6 +537,8 @@ static int ac97_bus_remove(struct device *dev)
 	if (ret == 0)
 		ac97_put_disable_clk(adev);
 
+	pm_runtime_disable(dev);
+
 	return ret;
 }
 

sound/ac97/snd_ac97_compat.c

@@ -15,6 +15,11 @@
 
 #include "ac97_core.h"
 
+static void compat_ac97_release(struct device *dev)
+{
+	kfree(to_ac97_t(dev));
+}
+
 static void compat_ac97_reset(struct snd_ac97 *ac97)
 {
 	struct ac97_codec_device *adev = to_ac97_device(ac97->private_data);
@@ -65,21 +70,31 @@ static struct snd_ac97_bus compat_soc_ac97_bus = {
 struct snd_ac97 *snd_ac97_compat_alloc(struct ac97_codec_device *adev)
 {
 	struct snd_ac97 *ac97;
+	int ret;
 
 	ac97 = kzalloc(sizeof(struct snd_ac97), GFP_KERNEL);
 	if (ac97 == NULL)
 		return ERR_PTR(-ENOMEM);
 
-	ac97->dev = adev->dev;
 	ac97->private_data = adev;
 	ac97->bus = &compat_soc_ac97_bus;
+
+	ac97->dev.parent = &adev->dev;
+	ac97->dev.release = compat_ac97_release;
+	dev_set_name(&ac97->dev, "%s-compat", dev_name(&adev->dev));
+	ret = device_register(&ac97->dev);
+	if (ret) {
+		put_device(&ac97->dev);
+		return ERR_PTR(ret);
+	}
+
 	return ac97;
 }
 EXPORT_SYMBOL_GPL(snd_ac97_compat_alloc);
 
 void snd_ac97_compat_release(struct snd_ac97 *ac97)
 {
-	kfree(ac97);
+	device_unregister(&ac97->dev);
 }
 EXPORT_SYMBOL_GPL(snd_ac97_compat_release);
 

sound/core/seq/seq_virmidi.c

@@ -149,8 +149,9 @@ static void snd_vmidi_output_work(struct work_struct *work)
 	/* discard the outputs in dispatch mode unless subscribed */
 	if (vmidi->seq_mode == SNDRV_VIRMIDI_SEQ_DISPATCH &&
 	    !(vmidi->rdev->flags & SNDRV_VIRMIDI_SUBSCRIBE)) {
-		while (!snd_rawmidi_transmit_empty(substream))
-			snd_rawmidi_transmit_ack(substream, 1);
+		char buf[32];
+		while (snd_rawmidi_transmit(substream, buf, sizeof(buf)) > 0)
+			; /* ignored */
 		return;
 	}
 

sound/pci/hda/patch_realtek.c

@@ -5494,6 +5494,7 @@ enum {
 	ALC255_FIXUP_DUMMY_LINEOUT_VERB,
 	ALC255_FIXUP_DELL_HEADSET_MIC,
 	ALC295_FIXUP_HP_X360,
+	ALC221_FIXUP_HP_HEADSET_MIC,
 };
 
 static const struct hda_fixup alc269_fixups[] = {
@@ -6351,7 +6352,16 @@ static const struct hda_fixup alc269_fixups[] = {
 		.v.func = alc295_fixup_hp_top_speakers,
 		.chained = true,
 		.chain_id = ALC269_FIXUP_HP_MUTE_LED_MIC3
-	}
+	},
+	[ALC221_FIXUP_HP_HEADSET_MIC] = {
+		.type = HDA_FIXUP_PINS,
+		.v.pins = (const struct hda_pintbl[]) {
+			{ 0x19, 0x0181313f},
+			{ }
+		},
+		.chained = true,
+		.chain_id = ALC269_FIXUP_HEADSET_MIC
+	},
 };
 
 static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -6777,6 +6787,12 @@ static const struct hda_model_fixup alc269_fixup_models[] = {
 	{0x21, 0x03211020}
 
 static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = {
+	SND_HDA_PIN_QUIRK(0x10ec0221, 0x103c, "HP Workstation", ALC221_FIXUP_HP_HEADSET_MIC,
+		{0x14, 0x01014020},
+		{0x17, 0x90170110},
+		{0x18, 0x02a11030},
+		{0x19, 0x0181303F},
+		{0x21, 0x0221102f}),
 	SND_HDA_PIN_QUIRK(0x10ec0255, 0x1025, "Acer", ALC255_FIXUP_ACER_MIC_NO_PRESENCE,
 		{0x12, 0x90a601c0},
 		{0x14, 0x90171120},