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ec/kontron/it8516e: Add sanity checks for values from nvram 

Change-Id: Ie52d80fc8657064efdcec51c31dc9309fcc28121
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: http://review.coreboot.org/3787
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
This commit is contained in:
Nico Huber 2013-07-18 12:27:00 +02:00 committed by Stefan Reinauer
parent 1f9f67864a
commit ca4f073f8e
1 changed files with 4 additions and 0 deletions
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4
src/ec/kontron/it8516e/ec.c
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@ -170,6 +170,8 @@ static void it8516e_set_fan_from_options(const config_t *const config,
"Setting it8516e fan%d "
"control to %d%% PWM.\n",
fan_idx + 1, fan_target);
if (fan_target > 100) /* Constrain to 100% */
fan_target = 100;
it8516e_set_fan_pwm(fan_idx, (fan_target * 255) / 100);
break;
case IT8516E_MODE_SPEED:
@ -183,6 +185,8 @@ static void it8516e_set_fan_from_options(const config_t *const config,
printk(BIOS_DEBUG,
"Setting it8516e fan%d control to %d C.\n",
fan_idx + 1, fan_target);
if (fan_target > 1024) /* Constrain to 1K */
fan_target = 1024;
it8516e_set_fan_temperature(fan_idx, fan_target * 64);
fanX_min[3] = '1' + fan_idx;