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-rw-r--r--drivers/iio/imu/inv_mpu6050/inv_mpu_core.c56
1 files changed, 30 insertions, 26 deletions
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
index d8d5bed65e07..ef76afe2643c 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
@@ -410,42 +410,46 @@ error_read_raw:
410 } 410 }
411} 411}
412 412
413static int inv_mpu6050_write_fsr(struct inv_mpu6050_state *st, int fsr) 413static int inv_mpu6050_write_gyro_scale(struct inv_mpu6050_state *st, int val)
414{ 414{
415 int result; 415 int result, i;
416 u8 d; 416 u8 d;
417 417
418 if (fsr < 0 || fsr > INV_MPU6050_MAX_GYRO_FS_PARAM) 418 for (i = 0; i < ARRAY_SIZE(gyro_scale_6050); ++i) {
419 return -EINVAL; 419 if (gyro_scale_6050[i] == val) {
420 if (fsr == st->chip_config.fsr) 420 d = (i << INV_MPU6050_GYRO_CONFIG_FSR_SHIFT);
421 return 0; 421 result = inv_mpu6050_write_reg(st,
422 st->reg->gyro_config, d);
423 if (result)
424 return result;
422 425
423 d = (fsr << INV_MPU6050_GYRO_CONFIG_FSR_SHIFT); 426 st->chip_config.fsr = i;
424 result = inv_mpu6050_write_reg(st, st->reg->gyro_config, d); 427 return 0;
425 if (result) 428 }
426 return result; 429 }
427 st->chip_config.fsr = fsr;
428 430
429 return 0; 431 return -EINVAL;
430} 432}
431 433
432static int inv_mpu6050_write_accel_fs(struct inv_mpu6050_state *st, int fs) 434static int inv_mpu6050_write_accel_scale(struct inv_mpu6050_state *st, int val)
433{ 435{
434 int result; 436 int result, i;
435 u8 d; 437 u8 d;
436 438
437 if (fs < 0 || fs > INV_MPU6050_MAX_ACCL_FS_PARAM) 439 for (i = 0; i < ARRAY_SIZE(accel_scale); ++i) {
438 return -EINVAL; 440 if (accel_scale[i] == val) {
439 if (fs == st->chip_config.accl_fs) 441 d = (i << INV_MPU6050_ACCL_CONFIG_FSR_SHIFT);
440 return 0; 442 result = inv_mpu6050_write_reg(st,
443 st->reg->accl_config, d);
444 if (result)
445 return result;
441 446
442 d = (fs << INV_MPU6050_ACCL_CONFIG_FSR_SHIFT); 447 st->chip_config.accl_fs = i;
443 result = inv_mpu6050_write_reg(st, st->reg->accl_config, d); 448 return 0;
444 if (result) 449 }
445 return result; 450 }
446 st->chip_config.accl_fs = fs;
447 451
448 return 0; 452 return -EINVAL;
449} 453}
450 454
451static int inv_mpu6050_write_raw(struct iio_dev *indio_dev, 455static int inv_mpu6050_write_raw(struct iio_dev *indio_dev,
@@ -471,10 +475,10 @@ static int inv_mpu6050_write_raw(struct iio_dev *indio_dev,
471 case IIO_CHAN_INFO_SCALE: 475 case IIO_CHAN_INFO_SCALE:
472 switch (chan->type) { 476 switch (chan->type) {
473 case IIO_ANGL_VEL: 477 case IIO_ANGL_VEL:
474 result = inv_mpu6050_write_fsr(st, val); 478 result = inv_mpu6050_write_gyro_scale(st, val2);
475 break; 479 break;
476 case IIO_ACCEL: 480 case IIO_ACCEL:
477 result = inv_mpu6050_write_accel_fs(st, val); 481 result = inv_mpu6050_write_accel_scale(st, val2);
478 break; 482 break;
479 default: 483 default:
480 result = -EINVAL; 484 result = -EINVAL;