Re: [PATCH] i2c: core: Call i2c_acpi_install_space_handler() before i2c_acpi_register_devices()

Wolfram Sang
2020-09-17T21:26:55Z

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On Wed, Sep 09, 2020 at 12:32:33PM +0200, Hans de Goede wrote:
> Some ACPI i2c-devices _STA method (which is used to detect if the device
> is present) use autodetection code which probes which device is present
> over i2c. This requires the I2C ACPI OpRegion handler to be registered
> before we enumerate i2c-clients under the i2c-adapter.
>
> This fixes the i2c touchpad on the Lenovo ThinkBook 14-IIL and
> ThinkBook 15 IIL not getting an i2c-client instantiated and thus not
> working.
>
> BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1842039
> Signed-off-by: Hans de Goede <hdegoede@redhat.com>

Applied to for-current, thanks!

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