unsigned int snoop:1;
        unsigned int align_buffer_size:1;
        unsigned int region_requested:1;
-       unsigned int disabled:1; /* disabled by VGA-switcher */
+       unsigned int disabled:1; /* disabled by vga_switcheroo */
 
 #ifdef CONFIG_SND_HDA_DSP_LOADER
        struct azx_dev saved_azx_dev;
 
         AZX_DCAPS_4K_BDLE_BOUNDARY | AZX_DCAPS_SNOOP_OFF)
 
 /*
- * VGA-switcher support
+ * vga_switcheroo support
  */
 #ifdef SUPPORT_VGA_SWITCHEROO
 #define use_vga_switcheroo(chip)       ((chip)->use_vga_switcheroo)
                        }
                }
        } else {
-               dev_info(chip->card->dev, "%s via VGA-switcheroo\n",
+               dev_info(chip->card->dev, "%s via vga_switcheroo\n",
                         disabled ? "Disabling" : "Enabling");
                if (disabled) {
                        pm_runtime_put_sync_suspend(card->dev);
                        azx_suspend(card->dev);
-                       /* when we get suspended by vga switcheroo we end up in D3cold,
+                       /* when we get suspended by vga_switcheroo we end up in D3cold,
                         * however we have no ACPI handle, so pci/acpi can't put us there,
                         * put ourselves there */
                        pci->current_state = PCI_D3cold;
        struct pci_dev *p = get_bound_vga(chip->pci);
        if (p) {
                dev_info(chip->card->dev,
-                        "Handle VGA-switcheroo audio client\n");
+                        "Handle vga_switcheroo audio client\n");
                hda->use_vga_switcheroo = 1;
                pci_dev_put(p);
        }
 
 #ifdef SUPPORT_VGA_SWITCHEROO
 /*
- * Check of disabled HDMI controller by vga-switcheroo
+ * Check of disabled HDMI controller by vga_switcheroo
  */
 static struct pci_dev *get_bound_vga(struct pci_dev *pci)
 {
 
        err = register_vga_switcheroo(chip);
        if (err < 0) {
-               dev_err(card->dev, "Error registering VGA-switcheroo client\n");
+               dev_err(card->dev, "Error registering vga_switcheroo client\n");
                goto out_free;
        }
 
 
        unsigned int irq_pending_warned:1;
        unsigned int probe_continued:1;
 
-       /* VGA-switcheroo setup */
+       /* vga_switcheroo setup */
        unsigned int use_vga_switcheroo:1;
        unsigned int vga_switcheroo_registered:1;
        unsigned int init_failed:1; /* delayed init failed */