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2022-05-24platform/chrome: Use imperative mood for ChromeOS ACPI sysfs ABI descriptionsBagas Sanjaya1-33/+30
The current descriptions all begin with ("This file shows something") clause, which is incorrect wording since these mean return value from sysfs. Use imperative mood ("Returns something") instead, in line with corresponding ACPI documentation at firmware-guide/. Cc: Benson Leung <bleung@google.com> Cc: Guenter Roeck <groeck@chromium.org> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: Enric Balletbo i Serra <enric.balletbo@collabora.com> Cc: Muhammad Usama Anjum <usama.anjum@collabora.com> Cc: Tzung-Bi Shih <tzungbi@kernel.org> Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org> Cc: Linux Next Mailing List <linux-next@vger.kernel.org> Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com> Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com> Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org> Link: https://lore.kernel.org/r/20220518083524.37380-3-bagasdotme@gmail.com
2022-05-24platform/chrome: Use tables for values lists of ChromeOS ACPI sysfs ABIBagas Sanjaya1-19/+33
Stephen Rothwell reported htmldocs warning when merging chrome-platform tree: Documentation/ABI/testing/sysfs-driver-chromeos-acpi:2: WARNING: Unexpected indentation. Documentation/ABI/testing/sysfs-driver-chromeos-acpi:11: WARNING: Unexpected indentation. Documentation/ABI/testing/sysfs-driver-chromeos-acpi:22: WARNING: Unexpected indentation. Documentation/ABI/testing/sysfs-driver-chromeos-acpi:56: WARNING: Unexpected indentation. The warning is due to missing blank line separator surrounding values lists. Instead of using lists, use tables to be consistent with rest of sysfs ABI documentation. Link: https://lore.kernel.org/linux-next/20220516213832.19127535@canb.auug.org.au/ Fixes: 0a4cad9c11ad ("platform/chrome: Add ChromeOS ACPI device driver") Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Benson Leung <bleung@google.com> Cc: Guenter Roeck <groeck@chromium.org> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: Enric Balletbo i Serra <enric.balletbo@collabora.com> Cc: Muhammad Usama Anjum <usama.anjum@collabora.com> Cc: Tzung-Bi Shih <tzungbi@kernel.org> Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org> Cc: Linux Next Mailing List <linux-next@vger.kernel.org> Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com> Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com> Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org> Link: https://lore.kernel.org/r/20220518083524.37380-2-bagasdotme@gmail.com [tzungbi: fix the Fixes tag to 12-chars hash.] Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
2022-05-13platform/chrome: Add ChromeOS ACPI device driverEnric Balletbo i Serra1-0/+126
The x86 Chromebooks have the ChromeOS ACPI device. This driver attaches to the ChromeOS ACPI device and exports the values reported by ACPI in a sysfs directory. This data isn't present in ACPI tables when read through ACPI tools, hence a driver is needed to do it. The driver gets data from firmware using the ACPI component of the kernel. The ACPI values are presented in string form (numbers as decimal values) or binary blobs, and can be accessed as the contents of the appropriate read only files in the standard ACPI device's sysfs directory tree. This data is consumed by the ChromeOS user space. Reviewed-by: Guenter Roeck <groeck@chromium.org> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Co-developed-by: Muhammad Usama Anjum <usama.anjum@collabora.com> Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com> Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org> Link: https://lore.kernel.org/r/Yn4OKYrtV35Dv+nd@debian-BULLSEYE-live-builder-AMD64