Commit 58bf9ace authored by Tomas Novotny's avatar Tomas Novotny Committed by Jonathan Cameron
Browse files

iio: vcnl4000: warn on incorrectly specified device id 



We can detect incorrectly specified device id for some chips, so warn
user in that case.

Signed-off-by: default avatarTomas Novotny <tomas@novotny.cz>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 50c50b97

drivers/iio/light/vcnl4000.c

+13 −1
Original line number Diff line number Diff line
@@ -84,8 +84,20 @@ static int vcnl4000_init(struct vcnl4000_data *data) 
		return ret;



	prod_id = ret >> 4;

	if (prod_id != VCNL4010_PROD_ID && prod_id != VCNL4000_PROD_ID)

	switch (prod_id) {

	case VCNL4000_PROD_ID:

		if (data->id != VCNL4000)

			dev_warn(&data->client->dev,

					"wrong device id, use vcnl4000");

		break;

	case VCNL4010_PROD_ID:

		if (data->id != VCNL4010)

			dev_warn(&data->client->dev,

					"wrong device id, use vcnl4010/4020");

		break;

	default:

		return -ENODEV;

	}



	data->rev = ret & 0xf;

	data->al_scale = 250000;