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authorNishanth Menon <nm@ti.com>2012-10-25 19:48:59 -0500
committerMyungJoo Ham <myungjoo.ham@samsung.com>2012-11-20 15:59:32 +0900
commitd287de855f97c56ca7146ff627e652bd7cd64f3f (patch)
treea3dbeb4937853cf1e81dca65c97c2dbbda549129 /include/linux/devfreq.h
parente09651fcc295a7dc802f38d9494f5b860dd90bca (diff)
PM / devfreq: Add sysfs node to expose available frequencies
devfreq governors such as ondemand are controlled by a min and max frequency, while governors like userspace governor allow us to set a specific frequency. However, for the same specific device, depending on the SoC, the available frequencies can vary. So expose the available frequencies as a snapshot over sysfs to allow informed decisions. This was inspired by cpufreq framework's equivalent for similar usage sysfs node: scaling_available_frequencies. Cc: Rajagopal Venkat <rajagopal.venkat@linaro.org> Cc: MyungJoo Ham <myungjoo.ham@samsung.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Kevin Hilman <khilman@ti.com> Cc: linux-pm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
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