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dd9989eda8
commit 10d7e9a918 upstream.
The sensor is all setup, bind, resetted, acked, etc... every single second.
That was the way to workaround a problem with the interrupt bouncing again and
again.
With the following changes, we fix all in one:
- Do the setup, one time, at probe time
- Add the IRQF_ONESHOT, ack the interrupt in the threaded handler
- Remove the interrupt handler
- Set the correct value for the LAG register
- Remove all the irq_enabled stuff in the code as the interruption
handling is fixed
- Remove the 3ms delay
- Reorder the initialization routine to be in the right order
It ends up to a nicer code and more efficient, the 3-5ms delay is removed from
the get_temp() path.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Tested-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Rafael David Tinoco <rafael.tinoco@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.