diff options
author | Mark Brown <broonie@kernel.org> | 2014-11-03 10:13:33 -0500 |
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committer | Mark Brown <broonie@kernel.org> | 2014-11-03 10:13:33 -0500 |
commit | ebc01f593b58e1896150fc2e3cbdd0116323c52c (patch) | |
tree | 23e905a3fdbee3fc8a66ef760b9ed5ef5455e9dd /drivers/input/misc/max77693-haptic.c | |
parent | 3f7256fe5fc64132a2dd19695255c990aa2188cf (diff) | |
parent | 0df1f2487d2f0d04703f142813d53615d62a1da4 (diff) |
Merge tag 'v3.18-rc3' into asoc-sgtl5000
Linux 3.18-rc3
Diffstat (limited to 'drivers/input/misc/max77693-haptic.c')
-rw-r--r-- | drivers/input/misc/max77693-haptic.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/input/misc/max77693-haptic.c b/drivers/input/misc/max77693-haptic.c index 7b1fde93799e..ef6a9d650d69 100644 --- a/drivers/input/misc/max77693-haptic.c +++ b/drivers/input/misc/max77693-haptic.c | |||
@@ -194,7 +194,7 @@ static int max77693_haptic_play_effect(struct input_dev *dev, void *data, | |||
194 | struct ff_effect *effect) | 194 | struct ff_effect *effect) |
195 | { | 195 | { |
196 | struct max77693_haptic *haptic = input_get_drvdata(dev); | 196 | struct max77693_haptic *haptic = input_get_drvdata(dev); |
197 | uint64_t period_mag_multi; | 197 | u64 period_mag_multi; |
198 | 198 | ||
199 | haptic->magnitude = effect->u.rumble.strong_magnitude; | 199 | haptic->magnitude = effect->u.rumble.strong_magnitude; |
200 | if (!haptic->magnitude) | 200 | if (!haptic->magnitude) |
@@ -205,8 +205,7 @@ static int max77693_haptic_play_effect(struct input_dev *dev, void *data, | |||
205 | * The formula to convert magnitude to pwm_duty as follows: | 205 | * The formula to convert magnitude to pwm_duty as follows: |
206 | * - pwm_duty = (magnitude * pwm_period) / MAX_MAGNITUDE(0xFFFF) | 206 | * - pwm_duty = (magnitude * pwm_period) / MAX_MAGNITUDE(0xFFFF) |
207 | */ | 207 | */ |
208 | period_mag_multi = (int64_t)(haptic->pwm_dev->period * | 208 | period_mag_multi = (u64)haptic->pwm_dev->period * haptic->magnitude; |
209 | haptic->magnitude); | ||
210 | haptic->pwm_duty = (unsigned int)(period_mag_multi >> | 209 | haptic->pwm_duty = (unsigned int)(period_mag_multi >> |
211 | MAX_MAGNITUDE_SHIFT); | 210 | MAX_MAGNITUDE_SHIFT); |
212 | 211 | ||