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hammer: Change PWM frequency to 10 kHz

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backlight driver required frequency between 5-100 kHz, let's pick
10 kHz.

BRANCH=none
BUG=chrome-os-partner:63010
TEST=Backlight works, scope output shows correct frequency.

Change-Id: I8355ea87824f368a76236c97b9e4b7d40eca5612
Reviewed-on: https://chromium-review.googlesource.com/444484
Commit-Ready: Nicolas Boichat <drinkcat@chromium.org>
Tested-by: Toshak Singhal <toshak@google.com>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
This commit is contained in:
Nicolas Boichat
2017-02-17 08:19:04 +08:00
committed by chrome-bot
parent 31b5ce49c6
commit 416cdfd36e
1 changed files with 1 additions and 1 deletions
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2
board/hammer/board.c
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@@ -51,7 +51,7 @@ const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
/* PWM channels. Must be in the exactly same order as in enum pwm_channel. */
const struct pwm_t pwm_channels[] = {
{STM32_TIM(TIM_KBLIGHT), STM32_TIM_CH(1), 0, 100 /* Hz */ },
{STM32_TIM(TIM_KBLIGHT), STM32_TIM_CH(1), 0, 10000 /* Hz */ },
};
BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);