diff options
Diffstat (limited to 'drivers/platform/x86/ideapad_acpi.c')
| -rw-r--r-- | drivers/platform/x86/ideapad_acpi.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/platform/x86/ideapad_acpi.c b/drivers/platform/x86/ideapad_acpi.c index e07d6072e75..bf684f42129 100644 --- a/drivers/platform/x86/ideapad_acpi.c +++ b/drivers/platform/x86/ideapad_acpi.c @@ -326,10 +326,13 @@ MODULE_DEVICE_TABLE(acpi, ideapad_device_ids); static int ideapad_acpi_add(struct acpi_device *adevice) { - int i; + int i, cfg; int devs_present[5]; struct ideapad_private *priv; + if (read_method_int(adevice->handle, "_CFG", &cfg)) + return -ENODEV; + for (i = IDEAPAD_DEV_CAMERA; i < IDEAPAD_DEV_KILLSW; i++) { devs_present[i] = ideapad_dev_exists(i); if (devs_present[i] < 0) |