[PATCH 1/2] iio: inv-mpu: Export scale_available attributes

From: Adriana Reus
Date: Thu Jun 11 2015 - 11:10:10 EST


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@xxxxxxxxx>
---
drivers/iio/imu/inv_mpu6050/inv_mpu_core.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
index 17d4bb1..096e545 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
@@ -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,
};

--
1.9.1

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