On Mon, Jan 5, 2026 at 7:56 AM Michael Reeves via B4 Relay
<devnull+michael.reeves077.gmail.com@kernel.org> wrote:
>
> This series adds a power supply driver for the Apple SMC found on
> Apple Silicon devices. This allows the kernel to report AC status,
> battery charging status, and power metrics, and modify the charging
> behaviour.
>
> The first patch adds the driver itself, and the second patch wires it
> up to the MFD core.
>
> The driver is based on an original out-of-tree implementation by
> Hector Martin. It has been refactored for upstream inclusion,
> including support for newer SMC firmwares, devices without batteries,
> dynamic property detection and improved state management.
>
> Tested on: Apple M3 (MacBook Air, J613)
>
> Signed-off-by: Michael Reeves <michael.reeves077@gmail.com>
> ---
> Michael Reeves (2):
> power: supply: Add macsmc-power driver for Apple Silicon
> mfd: macsmc: Wire up Apple SMC power driver
>
> MAINTAINERS | 1 +
> drivers/mfd/macsmc.c | 1 +
> drivers/power/supply/Kconfig | 11 +
> drivers/power/supply/Makefile | 1 +
> drivers/power/supply/macsmc-power.c | 872 ++++++++++++++++++++++++++++++++++++
> 5 files changed, 886 insertions(+)
> ---
> base-commit: cc3aa43b44bdb43dfbac0fcb51c56594a11338a8
> change-id: 20260105-b4-macsmc-power-d017cc7f53ac
>
LGTM, thanks for this work!
Reviewed-by: Neal Gompa <neal@gompa.dev>
--
真実はいつも一つ！/ Always, there's only one truth!