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chip: it83xx: disable fan control timer if all fans are off

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Before the change was made, the fan control timer keeps running
even all of the fans are off.

reproduce the problem:
1. fanset 3333
2. fanset 0
fan is disabled but fan control timer keeps running.

Signed-off-by: Dino Li <dino.li@ite.com.tw>

BRANCH=none
BUG=none
TEST=1. fanset 3333
     2. fanset 0
     both fan and timer are off.

Change-Id: Id38f3a4c64bbb36e8b32baefd285dbb0bf14e47e
Reviewed-on: https://chromium-review.googlesource.com/327870
Commit-Ready: Dino Li <dino.li@ite.com.tw>
Tested-by: Dino Li <dino.li@ite.com.tw>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
This commit is contained in:
Dino Li
2016-02-17 13:37:42 +08:00
committed by chrome-bot
parent 5a7767a20e
commit 5c184565af
1 changed files with 6 additions and 3 deletions
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9
chip/it83xx/fan.c
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@@ -132,9 +132,6 @@ void fan_set_enabled(int ch, int enabled)
fan_info_data[tach_ch].rpm_actual = 0;
fan_info_data[tach_ch].fan_sts = FAN_STATUS_STOPPED;
}
/* disable timer interrupt if all fan off. */
if (fan_all_disabled())
ext_timer_stop(FAN_CTRL_EXT_TIMER, 1);
}
/* on/off */
@@ -144,6 +141,12 @@ void fan_set_enabled(int ch, int enabled)
}
pwm_enable(ch, enabled);
if (!enabled) {
/* disable timer interrupt if all fan off. */
if (fan_all_disabled())
ext_timer_stop(FAN_CTRL_EXT_TIMER, 1);
}
}
int fan_get_enabled(int ch)