The owner field provides the link between drivers and modules in sysfs.
After setting the owner field, we can see which module provides which
driver and vice versa by looking at /sys/bus/acpi/drivers/Atlas ACPI/module
and /sys/module/atlas_btns/drivers/acpi:Atlas ACPI

Signed-off-by: Axel Lin <redacted>
---
 drivers/input/misc/atlas_btns.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/input/misc/atlas_btns.c b/drivers/input/misc/atlas_btns.c
index dfaa9a0..7d53608 100644
--- a/drivers/input/misc/atlas_btns.c
+++ b/drivers/input/misc/atlas_btns.c

@@ -145,6 +145,7 @@ MODULE_DEVICE_TABLE(acpi, atlas_device_ids);
 static struct acpi_driver atlas_acpi_driver = {
 	.name	= ACPI_ATLAS_NAME,
 	.class	= ACPI_ATLAS_CLASS,
+	.owner	= THIS_MODULE,
 	.ids	= atlas_device_ids,
 	.ops	= {
 		.add	= atlas_acpi_button_add,

-- 
1.5.4.3