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| author | Nicolas Boichat <drinkcat@chromium.org> | 2017-12-28 11:41:35 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-01-02 21:32:23 -0800 |
| commit | 3ce0b8b9246d4685494df941f65e2777250956a0 (patch) | |
| tree | c0c9f6f5700bbd48e0d548f1b91d3cf5578eedb3 /board/hammer/board.c | |
| parent | 749632d30fcbb56fa6cb319b10d6379ff3559de4 (diff) | |
| download | chrome-ec-3ce0b8b9246d4685494df941f65e2777250956a0.tar.gz | |
wand: Increase PWM frequency to 50kHz
RT4531 wants PWM input frequency between 20 and 100 kHz.
BRANCH=none
BUG=b:66575472
TEST=Flash wand, pwm 0 50, check with oscilloscope that frequency
is around 50kHz, and that duty cycle is 50%.
Change-Id: I6a37ef435a51cf730805ef57a0e3ebd05f9820a3
Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/845541
Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Diffstat (limited to 'board/hammer/board.c')
| -rw-r--r-- | board/hammer/board.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/board/hammer/board.c b/board/hammer/board.c index e17cacd141..be0d2f465a 100644 --- a/board/hammer/board.c +++ b/board/hammer/board.c @@ -78,7 +78,7 @@ const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); #ifdef BOARD_STAFF #define KBLIGHT_PWM_FREQ 100 /* Hz */ #else -#define KBLIGHT_PWM_FREQ 10000 /* Hz */ +#define KBLIGHT_PWM_FREQ 50000 /* Hz */ #endif /* PWM channels. Must be in the exactly same order as in enum pwm_channel. */ |