Input: regulator-haptic - simplify code
authorAxel Lin <axel.lin@ingics.com>
Sat, 10 Jan 2015 01:43:06 +0000 (17:43 -0800)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Sun, 11 Jan 2015 23:52:59 +0000 (15:52 -0800)
All the use cases in this driver has a regulator_haptic_toggle() call after
regulator_haptic_set_voltage(). So make regulator_haptic_set_voltage() call
regulator_haptic_toggle() to simplify the code.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
drivers/input/misc/regulator-haptic.c

index 9426221..132eb91 100644 (file)
@@ -76,6 +76,8 @@ static int regulator_haptic_set_voltage(struct regulator_haptic *haptic,
                return error;
        }
 
+       regulator_haptic_toggle(haptic, !!magnitude);
+
        return 0;
 }
 
@@ -83,23 +85,12 @@ static void regulator_haptic_work(struct work_struct *work)
 {
        struct regulator_haptic *haptic = container_of(work,
                                        struct regulator_haptic, work);
-       unsigned int magnitude;
-       int error;
 
        mutex_lock(&haptic->mutex);
 
-       if (haptic->suspended)
-               goto out;
-
-       magnitude = ACCESS_ONCE(haptic->magnitude);
+       if (!haptic->suspended)
+               regulator_haptic_set_voltage(haptic, haptic->magnitude);
 
-       error = regulator_haptic_set_voltage(haptic, magnitude);
-       if (error)
-               goto out;
-
-       regulator_haptic_toggle(haptic, magnitude != 0);
-
-out:
        mutex_unlock(&haptic->mutex);
 }
 
@@ -123,7 +114,6 @@ static void regulator_haptic_close(struct input_dev *input)
 
        cancel_work_sync(&haptic->work);
        regulator_haptic_set_voltage(haptic, 0);
-       regulator_haptic_toggle(haptic, false);
 }
 
 static int __maybe_unused
@@ -225,7 +215,6 @@ static int __maybe_unused regulator_haptic_suspend(struct device *dev)
                return error;
 
        regulator_haptic_set_voltage(haptic, 0);
-       regulator_haptic_toggle(haptic, false);
 
        haptic->suspended = true;
 
@@ -245,10 +234,8 @@ static int __maybe_unused regulator_haptic_resume(struct device *dev)
        haptic->suspended = false;
 
        magnitude = ACCESS_ONCE(haptic->magnitude);
-       if (magnitude) {
+       if (magnitude)
                regulator_haptic_set_voltage(haptic, magnitude);
-               regulator_haptic_toggle(haptic, true);
-       }
 
        mutex_unlock(&haptic->mutex);