Re: [PATCH v4 1/4] iio: magnetometer: ak8975: Relax failure on unknown id

Jonathan Cameron
2024-08-23T18:32:12Z

On Mon, 19 Aug 2024 00:29:39 +0200
Barnabás Czémán <barnabas.czeman@mainlining.org> wrote:

> Relax failure when driver gets an unknown device id for
> allow probe for register compatible devices.
>
> Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
> ---
> drivers/iio/magnetometer/ak8975.c | 9 ++++++---
> 1 file changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c
> index ccbebe5b66cd..8eef4d5dd9e2 100644
> --- a/drivers/iio/magnetometer/ak8975.c
> +++ b/drivers/iio/magnetometer/ak8975.c
> @@ -484,10 +484,13 @@ static int ak8975_who_i_am(struct i2c_client *client,
> if (wia_val[1] == AK09916_DEVICE_ID)
> return 0;
> break;
> - default:
> - dev_err(&client->dev, "Type %d unknown\n", type);
> }
> - return -ENODEV;
> +
> + dev_info(&client->dev, "Device ID %x is unknown.\n", wia_val[1]);
> + /* Let driver to probe on unknown id for support more register
Comment style wrong, I'll fix it up.

With that tweak applied to the togreg branch of iio.git

Thanks,

Jonathan

> + * compatible variants.
> + */
> + return 0;
> }
>
> /*
>