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iio: inv-mpu: Export scale_available attributes 

Export the available scales for accel and gyro in order
to hint the user-space as to what are the available valid values.

Signed-off-by: Adriana Reus <adriana.reus@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
hifive-unleashed-5.1
Adriana Reus 2015-06-12 18:10:22 +03:00 committed by Jonathan Cameron
parent ad37616e90
commit a858c7dab4
1 changed files with 6 additions and 0 deletions
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6
drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
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@ -673,6 +673,10 @@ static const struct iio_chan_spec inv_mpu_channels[] = {
/* constant IIO attribute */
static IIO_CONST_ATTR_SAMP_FREQ_AVAIL("10 20 50 100 200 500");
static IIO_CONST_ATTR(in_anglvel_scale_available,
"0.000133090 0.000266181 0.000532362 0.001064724");
static IIO_CONST_ATTR(in_accel_scale_available,
"0.000598 0.001196 0.002392 0.004785");
static IIO_DEV_ATTR_SAMP_FREQ(S_IRUGO | S_IWUSR, inv_fifo_rate_show,
inv_mpu6050_fifo_rate_store);
static IIO_DEVICE_ATTR(in_gyro_matrix, S_IRUGO, inv_attr_show, NULL,
@ -685,6 +689,8 @@ static struct attribute *inv_attributes[] = {
&iio_dev_attr_in_accel_matrix.dev_attr.attr,
&iio_dev_attr_sampling_frequency.dev_attr.attr,
&iio_const_attr_sampling_frequency_available.dev_attr.attr,
&iio_const_attr_in_accel_scale_available.dev_attr.attr,
&iio_const_attr_in_anglvel_scale_available.dev_attr.attr,
NULL,
};