]> Pileus Git - ~andy/linux/blobdiff - drivers/gpu/vga/vga_switcheroo.c
Merge tag 'sound-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
[~andy/linux] / drivers / gpu / vga / vga_switcheroo.c
index 38f9534ac513bcf51b90fcfff56d6bd6ed84c988..5b3c7d135dc91c407fc9b2bf19b2e3e912ccfed5 100644 (file)
@@ -190,6 +190,19 @@ find_active_client(struct list_head *head)
        return NULL;
 }
 
+int vga_switcheroo_get_client_state(struct pci_dev *pdev)
+{
+       struct vga_switcheroo_client *client;
+
+       client = find_client_from_pci(&vgasr_priv.clients, pdev);
+       if (!client)
+               return VGA_SWITCHEROO_NOT_FOUND;
+       if (!vgasr_priv.active)
+               return VGA_SWITCHEROO_INIT;
+       return client->pwr_state;
+}
+EXPORT_SYMBOL(vga_switcheroo_get_client_state);
+
 void vga_switcheroo_unregister_client(struct pci_dev *pdev)
 {
        struct vga_switcheroo_client *client;
@@ -291,8 +304,6 @@ static int vga_switchto_stage1(struct vga_switcheroo_client *new_client)
                vga_switchon(new_client);
 
        vga_set_default_device(new_client->pdev);
-       set_audio_state(new_client->id, VGA_SWITCHEROO_ON);
-
        return 0;
 }
 
@@ -308,6 +319,8 @@ static int vga_switchto_stage2(struct vga_switcheroo_client *new_client)
 
        active->active = false;
 
+       set_audio_state(active->id, VGA_SWITCHEROO_OFF);
+
        if (new_client->fb_info) {
                struct fb_event event;
                event.info = new_client->fb_info;
@@ -321,11 +334,11 @@ static int vga_switchto_stage2(struct vga_switcheroo_client *new_client)
        if (new_client->ops->reprobe)
                new_client->ops->reprobe(new_client->pdev);
 
-       set_audio_state(active->id, VGA_SWITCHEROO_OFF);
-
        if (active->pwr_state == VGA_SWITCHEROO_ON)
                vga_switchoff(active);
 
+       set_audio_state(new_client->id, VGA_SWITCHEROO_ON);
+
        new_client->active = true;
        return 0;
 }
@@ -371,8 +384,9 @@ vga_switcheroo_debugfs_write(struct file *filp, const char __user *ubuf,
        /* pwr off the device not in use */
        if (strncmp(usercmd, "OFF", 3) == 0) {
                list_for_each_entry(client, &vgasr_priv.clients, list) {
-                       if (client->active)
+                       if (client->active || client_is_audio(client))
                                continue;
+                       set_audio_state(client->id, VGA_SWITCHEROO_OFF);
                        if (client->pwr_state == VGA_SWITCHEROO_ON)
                                vga_switchoff(client);
                }
@@ -381,10 +395,11 @@ vga_switcheroo_debugfs_write(struct file *filp, const char __user *ubuf,
        /* pwr on the device not in use */
        if (strncmp(usercmd, "ON", 2) == 0) {
                list_for_each_entry(client, &vgasr_priv.clients, list) {
-                       if (client->active)
+                       if (client->active || client_is_audio(client))
                                continue;
                        if (client->pwr_state == VGA_SWITCHEROO_OFF)
                                vga_switchon(client);
+                       set_audio_state(client->id, VGA_SWITCHEROO_ON);
                }
                goto out;
        }