Re: [PATCH v6 1/1] i2c: Restore initial power state if probe fails

[Mika Westerberg]

On Mon, Nov 14, 2022 at 01:20:34PM +0100, Ricardo Ribalda wrote:
> A driver that supports I2C_DRV_ACPI_WAIVE_D0_PROBE is not expected to
> power off a device that it has not powered on previously.
> 
> For devices operating in "full_power" mode, the first call to
> `i2c_acpi_waive_d0_probe` will return 0, which means that the device
> will be turned on with `dev_pm_domain_attach`.
> 
> If probe fails the second call to `i2c_acpi_waive_d0_probe` will
> return 1, which means that the device will not be turned off.
> This is, it will be left in a different power state. Lets fix it.
> 
> Reviewed-by: Hidenori Kobayashi <hidenorik@xxxxxxxxxxxx>
> Reviewed-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
> Reviewed-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>

Reviewed-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>