diff options
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/i2c-core-acpi.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c index 052005579ed6..4842ec3a5451 100644 --- a/drivers/i2c/i2c-core-acpi.c +++ b/drivers/i2c/i2c-core-acpi.c @@ -76,6 +76,15 @@ static int i2c_acpi_fill_info(struct acpi_resource *ares, void *data) return 1; } +static const struct acpi_device_id i2c_acpi_ignored_device_ids[] = { + /* + * ACPI video acpi_devices, which are handled by the acpi-video driver + * sometimes contain a SERIAL_TYPE_I2C ACPI resource, ignore these. + */ + { ACPI_VIDEO_HID, 0 }, + {} +}; + static int i2c_acpi_do_lookup(struct acpi_device *adev, struct i2c_acpi_lookup *lookup) { @@ -87,6 +96,9 @@ static int i2c_acpi_do_lookup(struct acpi_device *adev, acpi_device_enumerated(adev)) return -EINVAL; + if (acpi_match_device_ids(adev, i2c_acpi_ignored_device_ids) == 0) + return -ENODEV; + memset(info, 0, sizeof(*info)); lookup->device_handle = acpi_device_handle(adev); |