[PATCH v2 0/3] iio: light: al3xxx: add missing REGMAP_I2C to Kconfig entries

[Joshua Crofts]

This series adds REGMAP_I2C support to three AL3xxx ambient light
sensors that were previously missing this dependency, causing build
failures.

To reproduce the build failure, run `make allnoconfig` and `make menuconfig`
in which you select IIO, I2C and any AL3xxx sensor and `make .` will
fail with errors such as:

drivers/iio/light/al3010.c: In function ‘al3010_probe’:
drivers/iio/light/al3010.c:185:24: error: implicit declaration of function ‘devm_regmap_init_i2c’ [-Wimplicit-function-declaration]
  185 |         data->regmap = devm_regmap_init_i2c(client, &al3010_regmap_config);
      |                        ^~~~~~~~~~~~~~~~~~~~
drivers/iio/light/al3010.c:185:22: error: assignment to ‘struct regmap *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
  185 |         data->regmap = devm_regmap_init_i2c(client, &al3010_regmap_config);
      |                      ^
drivers/iio/light/al3010.c: At top level:
drivers/iio/light/al3010.c:48:35: error: storage size of ‘al3010_regmap_config’ isn’t known
   48 | static const struct regmap_config al3010_regmap_config = {
      |                                   ^~~~~~~~~~~~~~~~~~~~

I made a separate commit for each driver, to ensure a proper Fixes:
tag is appended for easy backporting. Let me know if you prefer
squashing!

Signed-off-by: Joshua Crofts <joshua.crofts1@xxxxxxxxx>
---
Changes in v2:
- Change select keyword in commit message to lowercase
- Add example steps to reproduce build failure
- Link to v1: https://lore.kernel.org/r/20260625-fix-al3xxx-kconfig-v1-0-d41cbc0c3cf4@xxxxxxxxx

---
Joshua Crofts (3):
      iio: light: al3000a: add missing REGMAP_I2C to Kconfig
      iio: light: al3010: add missing REGMAP_I2C to Kconfig
      iio: light: al3320a: add missing REGMAP_I2C to Kconfig

 drivers/iio/light/Kconfig | 3 +++
 1 file changed, 3 insertions(+)
---
base-commit: 7667a80340e99fd45357d0c90ae05813b01bbfef
change-id: 20260625-fix-al3xxx-kconfig-ddb1f00a2615

Best regards,
-- 
Kind regards

CJD