| From | Sasha Levin <> | Subject | [PATCH AUTOSEL 4.19 192/209] hwmon: (npcm-750-pwm-fan) Change initial pwm target to 255 | Date | Tue, 12 Nov 2019 20:50:08 -0500 |
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From: Kun Yi <kunyi@google.com>
[ Upstream commit f21c8e753b1dcb8f9e5b096db1f7f4e6fdfa7258 ]
Change initial PWM target to 255 to prevent overheating, for example when BMC hangs in userspace or when userspace fan control application is not implemented yet.
Signed-off-by: Kun Yi <kunyi@google.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/hwmon/npcm750-pwm-fan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hwmon/npcm750-pwm-fan.c b/drivers/hwmon/npcm750-pwm-fan.c index b998f9fbed41e..979b579bc118f 100644 --- a/drivers/hwmon/npcm750-pwm-fan.c +++ b/drivers/hwmon/npcm750-pwm-fan.c @@ -52,7 +52,7 @@ /* Define the Counter Register, value = 100 for match 100% */ #define NPCM7XX_PWM_COUNTER_DEFAULT_NUM 255 -#define NPCM7XX_PWM_CMR_DEFAULT_NUM 127 +#define NPCM7XX_PWM_CMR_DEFAULT_NUM 255 #define NPCM7XX_PWM_CMR_MAX 255 /* default all PWM channels PRESCALE2 = 1 */ -- 2.20.1
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