Re: [PATCH 4/4] iio: hid-sensor-magn-3d: add module alias for autoload

[Srinivas Pandruvada]

Tested. You can add my ack.

Acked-by:Srinivas Pandruvada<srinivas.pandruvada@xxxxxxxxxxxxxxx>


On 07/10/2013 01:32 AM, Alexander Holler wrote:
> 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@xxxxxxxxxxxxx>
> ---
>   drivers/iio/magnetometer/hid-sensor-magn-3d.c | 16 +++++++++++-----
>   1 file changed, 11 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/iio/magnetometer/hid-sensor-magn-3d.c b/drivers/iio/magnetometer/hid-sensor-magn-3d.c
> index 99f4e49..e71127a 100644
> --- 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,

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