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| author | Steve Twiss <stwiss.opensource@diasemi.com> | 2015-05-19 13:32:45 +0300 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2015-06-22 14:25:20 +0300 |
| commit | 9011e4a8a6fe57f76511609930ed00d305389089 (patch) | |
| tree | 15c42a2f5e7fc9cbb05dc6db239d196b8f90dbd4 /Documentation | |
| parent | e2ae0fbc738fa207cfb712657d339a1863c6bd3e (diff) | |
| download | linux-9011e4a8a6fe57f76511609930ed00d305389089.tar.xz | |
mfd: da9063: Add support for OnKey driver
Add MFD support for the DA9063 OnKey driver
The function da9063_clear_fault_log() is added to mitigate the case of a
hardware power-cut after a long-long OnKey press. Although there is no
software intervention in this case (by definition) such a shutdown would
cause persistent information within the DA9063 FAULT_LOG that would be
available during the next device restart.
Clearance of this persistent register must be completed after such a
hardware power-cut operation has happened so that the FAULT_LOG does not
continue with previous values. The clearance function has been added here
in the kernel driver because wiping the fault-log cannot be counted on
outside the Linux kernel.
Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com>
[Lee: Removed 'key_power' for Dmitry to take through the Input Tree]
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'Documentation')
0 files changed, 0 insertions, 0 deletions