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The i2c-controller on the Cherry Trail - Whiskey Cove PMIC is special
in that it is always connected to the I2C charger IC of the board on
which the PMIC is used; and the charger IC is not described in ACPI,
so the i2c-cht-wc code needs to instantiate an i2c-client for it itself.
So far this was hardcoded to instantiate an i2c-client for the
bq24292i, with all properties, etc. set to match how this charger
is used on the GPD win and GPD pocket devices.
There is a rudimentary check to make sure the ACPI tables are at least
somewhat as expected, but this is far from accurate, leading to
a wrong i2c-client being instantiated for the charger on some boards.
Switch to the new DMI based intel_cht_wc_get_model() helper which is
exported by the MFD driver for the CHT Whiskey Cove PMIC to help PMIC
cell drivers like the i2c-cht-wc code reliably detect which board
they are running on.
And add board_info for the charger ICs as found on the other 2 known
boards with a Whisky Cove PMIC.
This has been tested on all 3 known boards.
Acked-by: Wolfram Sang <wsa@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
4b32649140