diff options
| author | Jonathan Cameron <jic23@cam.ac.uk> | 2010-09-21 14:40:47 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-09-21 10:34:39 -0700 |
| commit | 6a36e618b4b98dc43e67b03cd01ad7a3c41a06e5 (patch) | |
| tree | 5d8d300641a59b4c2924b87046e5003a62bce0de /drivers/staging | |
| parent | cf2b448852abd47cee21007b8313fbf962bf3c9a (diff) | |
staging: iio: lis3l02dq add _type attributes for all scan elements
Also, adds a macro to make defining such attributes simple.
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Manuel Stahl <manuel.stahl@iis.fraunhofer.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/iio/accel/lis3l02dq_ring.c | 4 | ||||
| -rw-r--r-- | drivers/staging/iio/ring_generic.h | 11 |
2 files changed, 14 insertions, 1 deletions
diff --git a/drivers/staging/iio/accel/lis3l02dq_ring.c b/drivers/staging/iio/accel/lis3l02dq_ring.c index f26c0fe44129..28a54f188d6e 100644 --- a/drivers/staging/iio/accel/lis3l02dq_ring.c +++ b/drivers/staging/iio/accel/lis3l02dq_ring.c @@ -84,13 +84,17 @@ static IIO_SCAN_EL_C(accel_y, 1, IIO_SIGNED(16), static IIO_SCAN_EL_C(accel_z, 2, IIO_SIGNED(16), LIS3L02DQ_REG_OUT_Z_L_ADDR, &lis3l02dq_scan_el_set_state); +static IIO_CONST_ATTR_SCAN_EL_TYPE(accel, s, 12, 16); static IIO_SCAN_EL_TIMESTAMP(3); +static IIO_CONST_ATTR_SCAN_EL_TYPE(timestamp, s, 64, 64); static struct attribute *lis3l02dq_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_type.dev_attr.attr, &iio_scan_el_timestamp.dev_attr.attr, + &iio_const_attr_timestamp_type.dev_attr.attr, NULL, }; diff --git a/drivers/staging/iio/ring_generic.h b/drivers/staging/iio/ring_generic.h index 7b29cd5a91d2..692b967eee74 100644 --- a/drivers/staging/iio/ring_generic.h +++ b/drivers/staging/iio/ring_generic.h @@ -247,7 +247,7 @@ ssize_t iio_scan_el_ts_show(struct device *dev, struct device_attribute *attr, .bit_count = _bits, \ .label = _label, \ .set_state = _controlfunc, \ - } + } #define IIO_SCAN_EL_C(_name, _number, _bits, _label, _controlfunc) \ __IIO_SCAN_EL_C(_name, _number, _bits, _label, _controlfunc) @@ -279,6 +279,15 @@ ssize_t iio_scan_el_ts_show(struct device *dev, struct device_attribute *attr, iio_scan_el_ts_store), \ } +/** + * IIO_CONST_ATTR_SCAN_EL_TYPE - attr to specify the data format of a scan el + * @name: the scan el name (may be more general and cover a set of scan elements + * @_sign: either s or u for signed or unsigned + * @_bits: number of actual bits occuplied by the value + * @_storagebits: number of bits _bits is padded to when read out of buffer + **/ +#define IIO_CONST_ATTR_SCAN_EL_TYPE(_name, _sign, _bits, _storagebits) \ + IIO_CONST_ATTR(_name##_type, #_sign#_bits"/"#_storagebits); /* * These are mainly provided to allow for a change of implementation if a device * has a large number of scan elements |