RE: [PATCH] iio: magnetometer: ak8975: Fix 'Unexpected device' error

From: Biju Das
Date: Mon Oct 02 2023 - 02:57:45 EST


Hi André Apitzsch,

> Subject: [PATCH] iio: magnetometer: ak8975: Fix 'Unexpected device' error
>
> Explicity specify array indices to fix mapping between
> asahi_compass_chipset and ak_def_array.
> While at it, remove unneeded AKXXXX.
>
> Fixes: 4f9ea93afde1 ("iio: magnetometer: ak8975: Convert enum->pointer for
> data in the match tables")
> Signed-off-by: André Apitzsch <git@xxxxxxxxxxx>
> ---
> drivers/iio/magnetometer/ak8975.c | 11 +++++------
> 1 file changed, 5 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/iio/magnetometer/ak8975.c
> b/drivers/iio/magnetometer/ak8975.c
> index 8cfceb007936..dd466c5fa621 100644
> --- a/drivers/iio/magnetometer/ak8975.c
> +++ b/drivers/iio/magnetometer/ak8975.c
> @@ -204,7 +204,6 @@ static long ak09912_raw_to_gauss(u16 data)
>
> /* Compatible Asahi Kasei Compass parts */ enum asahi_compass_chipset {
> - AKXXXX = 0,

I guess this change is enough, after this AK8975 = 0 and
No need to update the mapping. Anyway this is personal preference.

Looks good to me.

Reviewed-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>

Cheers,
Biju

> AK8975,
> AK8963,
> AK09911,
> @@ -248,7 +247,7 @@ struct ak_def {
> };
>
> static const struct ak_def ak_def_array[] = {
> - {
> + [AK8975] = {
> .type = AK8975,
> .raw_to_gauss = ak8975_raw_to_gauss,
> .range = 4096,
> @@ -273,7 +272,7 @@ static const struct ak_def ak_def_array[] = {
> AK8975_REG_HYL,
> AK8975_REG_HZL},
> },
> - {
> + [AK8963] = {
> .type = AK8963,
> .raw_to_gauss = ak8963_09911_raw_to_gauss,
> .range = 8190,
> @@ -298,7 +297,7 @@ static const struct ak_def ak_def_array[] = {
> AK8975_REG_HYL,
> AK8975_REG_HZL},
> },
> - {
> + [AK09911] = {
> .type = AK09911,
> .raw_to_gauss = ak8963_09911_raw_to_gauss,
> .range = 8192,
> @@ -323,7 +322,7 @@ static const struct ak_def ak_def_array[] = {
> AK09912_REG_HYL,
> AK09912_REG_HZL},
> },
> - {
> + [AK09912] = {
> .type = AK09912,
> .raw_to_gauss = ak09912_raw_to_gauss,
> .range = 32752,
> @@ -348,7 +347,7 @@ static const struct ak_def ak_def_array[] = {
> AK09912_REG_HYL,
> AK09912_REG_HZL},
> },
> - {
> + [AK09916] = {
> .type = AK09916,
> .raw_to_gauss = ak09912_raw_to_gauss,
> .range = 32752,
>
> ---
> base-commit: df964ce9ef9fea10cf131bf6bad8658fde7956f6
> change-id: 20231001-ak_magnetometer-b063098082dd
>
> Best regards,
> --
> André Apitzsch <git@xxxxxxxxxxx>