sound fixes for 4.20-rc2

Two small regression fixes for HD-audio: one about vga_switcheroo and
 runtime PM, and another about Oops on some Thinkpads.
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Merge tag 'sound-4.20-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Two small regression fixes for HD-audio: one about vga_switcheroo and
  runtime PM, and another about Oops on some Thinkpads"

* tag 'sound-4.20-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda - Fix incorrect clearance of thinkpad_acpi hooks
  vga_switcheroo: Fix missing gpu_bound call at audio client registration

drivers/gpu/vga/vga_switcheroo.c

@@ -380,6 +380,9 @@ int vga_switcheroo_register_audio_client(struct pci_dev *pdev,
 			mutex_unlock(&vgasr_mutex);
 			return -EINVAL;
 		}
+		/* notify if GPU has been already bound */
+		if (ops->gpu_bound)
+			ops->gpu_bound(pdev, id);
 	}
 	mutex_unlock(&vgasr_mutex);
 

sound/pci/hda/thinkpad_helper.c

@@ -58,8 +58,8 @@ static void hda_fixup_thinkpad_acpi(struct hda_codec *codec,
 			removefunc = false;
 		}
 		if (led_set_func(TPACPI_LED_MICMUTE, false) >= 0 &&
-		    snd_hda_gen_add_micmute_led(codec,
-						update_tpacpi_micmute) > 0)
+		    !snd_hda_gen_add_micmute_led(codec,
+						 update_tpacpi_micmute))
 			removefunc = false;
 	}