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path: root/drivers/gpu/vga/vga_switcheroo.c
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Diffstat (limited to 'drivers/gpu/vga/vga_switcheroo.c')
-rw-r--r--drivers/gpu/vga/vga_switcheroo.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c
index 0a8678fe4d6..c3c213b7447 100644
--- a/drivers/gpu/vga/vga_switcheroo.c
+++ b/drivers/gpu/vga/vga_switcheroo.c
@@ -191,9 +191,8 @@ static int vga_switcheroo_debugfs_open(struct inode *inode, struct file *file)
static int vga_switchon(struct vga_switcheroo_client *client)
{
- int ret;
-
- ret = vgasr_priv.handler->power_state(client->id, VGA_SWITCHEROO_ON);
+ if (vgasr_priv.handler->power_state)
+ vgasr_priv.handler->power_state(client->id, VGA_SWITCHEROO_ON);
/* call the driver callback to turn on device */
client->set_gpu_state(client->pdev, VGA_SWITCHEROO_ON);
client->pwr_state = VGA_SWITCHEROO_ON;
@@ -204,7 +203,8 @@ static int vga_switchoff(struct vga_switcheroo_client *client)
{
/* call the driver callback to turn off device */
client->set_gpu_state(client->pdev, VGA_SWITCHEROO_OFF);
- vgasr_priv.handler->power_state(client->id, VGA_SWITCHEROO_OFF);
+ if (vgasr_priv.handler->power_state)
+ vgasr_priv.handler->power_state(client->id, VGA_SWITCHEROO_OFF);
client->pwr_state = VGA_SWITCHEROO_OFF;
return 0;
}