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3bb415513c
For debugging, add tracing for EC_CMD_MOTION_SENSE_CMD command: - decode the name of the subcommand - provide internal information for the most common sub-commands: setting range, frequency, EC probing frequency, ... - display return status. When enabled, the tracing output is similar to: /sys/kernel/debug/tracing # echo 1 > events/cros_ec/enable ; echo 1 > tracing_on ; cat trace_pipe | grep MOTIONSENSE_CMD_SENSOR_ODR SensorDeviceImp-814 [003] ..... 686.176782: cros_ec_motion_host_cmd: MOTIONSENSE_CMD_SENSOR_ODR, id: 1, data: 200000, result: 4, return: 12500 Signed-off-by: Gwendal Grignou <gwendal@chromium.org> Reviewed-by: Tzung-Bi Shih <tzungbi@kernel.org> Link: https://patch.msgid.link/20250121232007.1020666-1-gwendal@chromium.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.