Vincent Palatin f2df09d602 spring: set boost PWM frequency to 32Khz ...

Push the PWM frequency outside the audio band to avoid audible whining.

Also fix the off-by-one in the PWM frequency computation.

Signed-off-by: Vincent Palatin <vpalatin@chromium.org>

BRANCH=spring
BUG=chrome-os-partner:17583
TEST=manual : probe the PWM output with a scope.

Change-Id: Ie1c8c5aed72bef46c8bac16c1bf3007e8e9573bb
Reviewed-on: https://gerrit.chromium.org/gerrit/45584
Reviewed-by: Vic Yang <victoryang@chromium.org>
Commit-Queue: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>

2013-03-15 11:02:49 -07:00

..

bds

Watchdog is reloaded by HOOK_TICK, not its own task

2012-10-30 15:33:24 -07:00

daisy

stm32: list keyboard output ports on a per-board basis

2013-03-13 12:12:01 -07:00

link

Rename power_led.c to onewire_led.c

2013-03-14 15:44:15 -07:00

mccroskey

Initial McCroskey support

2013-03-13 16:05:39 -07:00

snow

stm32: list keyboard output ports on a per-board basis

2013-03-13 12:12:01 -07:00

spring

spring: set boost PWM frequency to 32Khz

2013-03-15 11:02:49 -07:00