diff options
Diffstat (limited to 'drivers/staging/iio/accel/sca3000_ring.c')
| -rw-r--r-- | drivers/staging/iio/accel/sca3000_ring.c | 35 |
1 files changed, 26 insertions, 9 deletions
diff --git a/drivers/staging/iio/accel/sca3000_ring.c b/drivers/staging/iio/accel/sca3000_ring.c index 40cbab2a6592..8e8c068d401b 100644 --- a/drivers/staging/iio/accel/sca3000_ring.c +++ b/drivers/staging/iio/accel/sca3000_ring.c @@ -186,11 +186,29 @@ static ssize_t sca3000_store_ring_bpse(struct device *dev, return ret ? ret : len; } -static IIO_CONST_ATTR(bpse_available, "8 11"); +static IIO_SCAN_EL_C(accel_x, 0, 0, 0, NULL); +static IIO_SCAN_EL_C(accel_y, 1, 0, 0, NULL); +static IIO_SCAN_EL_C(accel_z, 2, 0, 0, NULL); +static IIO_CONST_ATTR(accel_precision_available, "8 11"); +static IIO_DEVICE_ATTR(accel_precision, + S_IRUGO | S_IWUSR, + sca3000_show_ring_bpse, + sca3000_store_ring_bpse, + 0); + +static struct attribute *sca3000_scan_el_attrs[] = { + &iio_scan_el_accel_x.dev_attr.attr, + &iio_scan_el_accel_y.dev_attr.attr, + &iio_scan_el_accel_z.dev_attr.attr, + &iio_const_attr_accel_precision_available.dev_attr.attr, + &iio_dev_attr_accel_precision.dev_attr.attr, + NULL +}; -static IIO_DEV_ATTR_BPSE(S_IRUGO | S_IWUSR, - sca3000_show_ring_bpse, - sca3000_store_ring_bpse); +static struct attribute_group sca3000_scan_el_group = { + .attrs = sca3000_scan_el_attrs, + .name = "scan_elements", +}; /* * Ring buffer attributes @@ -198,17 +216,15 @@ static IIO_DEV_ATTR_BPSE(S_IRUGO | S_IWUSR, * only apply to the ring buffer. At all times full rate and accuracy * is available via direct reading from registers. */ -static struct attribute *iio_ring_attributes[] = { +static struct attribute *sca3000_ring_attributes[] = { &dev_attr_length.attr, &dev_attr_bps.attr, &dev_attr_ring_enable.attr, - &iio_dev_attr_bpse.dev_attr.attr, - &iio_const_attr_bpse_available.dev_attr.attr, NULL, }; static struct attribute_group sca3000_ring_attr = { - .attrs = iio_ring_attributes, + .attrs = sca3000_ring_attributes, }; static const struct attribute_group *sca3000_ring_attr_groups[] = { @@ -228,7 +244,7 @@ static struct iio_ring_buffer *sca3000_rb_allocate(struct iio_dev *indio_dev) ring = kzalloc(sizeof *ring, GFP_KERNEL); if (!ring) - return 0; + return NULL; ring->private = indio_dev; buf = &ring->buf; iio_ring_buffer_init(buf, indio_dev); @@ -248,6 +264,7 @@ static inline void sca3000_rb_free(struct iio_ring_buffer *r) int sca3000_configure_ring(struct iio_dev *indio_dev) { + indio_dev->scan_el_attrs = &sca3000_scan_el_group; indio_dev->ring = sca3000_rb_allocate(indio_dev); if (indio_dev->ring == NULL) return -ENOMEM; |