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authorLinus Torvalds <torvalds@linux-foundation.org>2014-11-12 16:18:20 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2014-11-12 16:18:20 -0500
commitde34b81bc2d034c9ba8d6b276725f975e728270a (patch)
tree58274c8d637e21ef6b84390e89d6257c06238fdb /drivers/hwmon/pwm-fan.c
parent999f81dd1937f2a9e56ce40e98be00758668ca19 (diff)
parent0bd52941586b3b59ab9b6e89e55b2dc9e2680de9 (diff)
Merge tag 'hwmon-for-linus-v3.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck: - fix PCI device ID in fam15h_power driver - fix suspend/resume behavior in pwm-fan driver - reduce logging noise created by ibmpowernv driver * tag 'hwmon-for-linus-v3.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (fam15h_power) Fix NB device ID for F16h M30h hwmon: (pwm-fan) Fix suspend/resume behavior hwmon: (ibmpowernv) Quieten when probing finds no device
Diffstat (limited to 'drivers/hwmon/pwm-fan.c')
-rw-r--r--drivers/hwmon/pwm-fan.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/hwmon/pwm-fan.c b/drivers/hwmon/pwm-fan.c
index 823c877a1ec0..1991d9032c38 100644
--- a/drivers/hwmon/pwm-fan.c
+++ b/drivers/hwmon/pwm-fan.c
@@ -161,10 +161,17 @@ static int pwm_fan_suspend(struct device *dev)
161static int pwm_fan_resume(struct device *dev) 161static int pwm_fan_resume(struct device *dev)
162{ 162{
163 struct pwm_fan_ctx *ctx = dev_get_drvdata(dev); 163 struct pwm_fan_ctx *ctx = dev_get_drvdata(dev);
164 unsigned long duty;
165 int ret;
164 166
165 if (ctx->pwm_value) 167 if (ctx->pwm_value == 0)
166 return pwm_enable(ctx->pwm); 168 return 0;
167 return 0; 169
170 duty = DIV_ROUND_UP(ctx->pwm_value * (ctx->pwm->period - 1), MAX_PWM);
171 ret = pwm_config(ctx->pwm, duty, ctx->pwm->period);
172 if (ret)
173 return ret;
174 return pwm_enable(ctx->pwm);
168} 175}
169#endif 176#endif
170 177