iio: hid-sensor-magn-3d: add module alias for autoload

Add a MODULE_DEVICE_TABLE in order to let hotplug mechanisms automatically
load the driver.

This makes it also possible to use the usual driver name instead of
HID-SENSOR-2000xx which isn't very descriptive in kernel messages.

Signed-off-by: Alexander Holler <holler@ahsoftware.de>
Acked-by:Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/magnetometer/hid-sensor-magn-3d.c b/drivers/iio/magnetometer/hid-sensor-magn-3d.c
index 99f4e494513b74da5608baa0c7298ea189311abf..e71127aeda09dd743f683a99f13580c1b952bbd0 100644 (file)
--- a/drivers/iio/magnetometer/hid-sensor-magn-3d.c
+++ b/drivers/iio/magnetometer/hid-sensor-magn-3d.c
@@ -30,10 +30,6 @@
 #include <linux/iio/triggered_buffer.h>
 #include "../common/hid-sensors/hid-sensor-trigger.h"
 
-/*Format: HID-SENSOR-usage_id_in_hex*/
-/*Usage ID from spec for Magnetometer-3D: 0x200083*/
-#define DRIVER_NAME "HID-SENSOR-200083"
-
 enum magn_3d_channel {
        CHANNEL_SCAN_INDEX_X,
        CHANNEL_SCAN_INDEX_Y,
@@ -390,9 +386,19 @@ static int hid_magn_3d_remove(struct platform_device *pdev)
        return 0;
 }
 
+static struct platform_device_id hid_magn_3d_ids[] = {
+       {
+               /* Format: HID-SENSOR-usage_id_in_hex_lowercase */
+               .name = "HID-SENSOR-200083",
+       },
+       { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(platform, hid_magn_3d_ids);
+
 static struct platform_driver hid_magn_3d_platform_driver = {
+       .id_table = hid_magn_3d_ids,
        .driver = {
-               .name   = DRIVER_NAME,
+               .name   = KBUILD_MODNAME,
                .owner  = THIS_MODULE,
        },
        .probe          = hid_magn_3d_probe,