iio: imu: inv_mpu6050: use set_power_itg function in i2c mux
authorJean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Tue, 17 Apr 2018 07:19:40 +0000 (09:19 +0200)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Sat, 21 Apr 2018 15:04:01 +0000 (16:04 +0100)
Set power function is rewritten manually inside i2c mux select.
Better use the already identical existing function.

Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c

index f70e7b9ef6638eea8020e5d0c7c9a20cef06ef27..eca34b9ed8387285af5f914bbf704026edbe1a63 100644 (file)
@@ -29,25 +29,19 @@ static int inv_mpu6050_select_bypass(struct i2c_mux_core *muxc, u32 chan_id)
 {
        struct iio_dev *indio_dev = i2c_mux_priv(muxc);
        struct inv_mpu6050_state *st = iio_priv(indio_dev);
-       int ret = 0;
+       int ret;
 
-       /* Use the same mutex which was used everywhere to protect power-op */
        mutex_lock(&st->lock);
-       if (!st->powerup_count) {
-               ret = regmap_write(st->map, st->reg->pwr_mgmt_1, 0);
-               if (ret)
-                       goto write_error;
 
-               usleep_range(INV_MPU6050_REG_UP_TIME_MIN,
-                            INV_MPU6050_REG_UP_TIME_MAX);
-       }
-       if (!ret) {
-               st->powerup_count++;
-               ret = regmap_write(st->map, st->reg->int_pin_cfg,
-                                  INV_MPU6050_INT_PIN_CFG |
-                                  INV_MPU6050_BIT_BYPASS_EN);
-       }
-write_error:
+       ret = inv_mpu6050_set_power_itg(st, true);
+       if (ret)
+               goto error_unlock;
+
+       ret = regmap_write(st->map, st->reg->int_pin_cfg,
+                          INV_MPU6050_INT_PIN_CFG |
+                          INV_MPU6050_BIT_BYPASS_EN);
+
+error_unlock:
        mutex_unlock(&st->lock);
 
        return ret;
@@ -59,12 +53,11 @@ static int inv_mpu6050_deselect_bypass(struct i2c_mux_core *muxc, u32 chan_id)
        struct inv_mpu6050_state *st = iio_priv(indio_dev);
 
        mutex_lock(&st->lock);
+
        /* It doesn't really mattter, if any of the calls fails */
        regmap_write(st->map, st->reg->int_pin_cfg, INV_MPU6050_INT_PIN_CFG);
-       st->powerup_count--;
-       if (!st->powerup_count)
-               regmap_write(st->map, st->reg->pwr_mgmt_1,
-                            INV_MPU6050_BIT_SLEEP);
+       inv_mpu6050_set_power_itg(st, false);
+
        mutex_unlock(&st->lock);
 
        return 0;