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iio: imu: inv_mpu6050: use set_power_itg function in i2c mux 

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>
This commit is contained in:
Jean-Baptiste Maneyrol 2018-04-17 09:19:40 +02:00 committed by Jonathan Cameron
parent 7fc0168540
commit 17623d9a23
1 changed files with 13 additions and 20 deletions
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33
drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c
View 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;