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Date:   Mon, 18 Sep 2017 16:53:14 +0200
From:   Thierry Escande <>
To:     Benson Leung <>,
        Jonathan Cameron <>
Cc:     Enric Balletbo i Serra <>,
        Gwendal Grignou <>,,
Subject: [PATCH 0/4] platform/chrome: Support for cros_ec_accel_legacy driver


This series enables a driver for a legacy accelerometer driver used on
Chromebook devices with older EC firmware.

In addition to the cros_ec_accel_legacy driver, this series contains a
fix that registers the cros_ec_lpc driver on Chromebook devices that
does not have the GOOG0004 ACPI entry. In such case, the driver register
the device itself. This series also adds support to the cros_ec_lpc
driver for Glimmer based devices (Lenovo Yoga 11e).

The last patch is the code used to register this driver if the usual way
of registering the croc_ec sensors hub fails. In this case, the 2
accelerometers (base and lid) are registered using mfd_add_devices().
As there is work in progress to remove calls to mfd_add_devices() from
cros_ec_dev.c, this code is in a separate patch with the idea to make
that easier.


Enric Balletbo i Serra (1):
  platform/chrome: cros_ec_lpc: Register the driver if ACPI entry is

Gwendal Grignou (1):
  platform/chrome: Add cros_ec_accel_legacy driver

Thierry Escande (2):
  platform/chrome: cros_ec_lpc: Add support for Google Glimmer
  platform/chrome: Register cros_ec_accel_legacy driver

 drivers/iio/accel/Kconfig                |  11 +
 drivers/iio/accel/Makefile               |   2 +
 drivers/iio/accel/cros_ec_accel_legacy.c | 444 +++++++++++++++++++++++++++++++
 drivers/platform/chrome/cros_ec_dev.c    |  53 ++++
 drivers/platform/chrome/cros_ec_lpc.c    |  41 ++-
 5 files changed, 550 insertions(+), 1 deletion(-)
 create mode 100644 drivers/iio/accel/cros_ec_accel_legacy.c


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