lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

staging:iio:accel:adis16204: use peak_raw info_mask element + push some defs down from header.

Browse Source 
Currently this is the only driver using some of the defines in accel.h.
If these become common we'll just add them to the channel_spec options,
for now push down into this driver.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jonathan Cameron
2011-08-12 17:48:01 +01:00
committed by Greg Kroah-Hartman
parent 4f2ca0809c
commit c9b9e49e13
1 changed files with 27 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

47
drivers/staging/iio/accel/adis16204_core.c
View File

@@ -21,8 +21,6 @@
#include "../iio.h"
#include "../sysfs.h"
#include "../ring_generic.h"
#include "accel.h"
#include "../adc/adc.h"
#include "adis16204.h"
@@ -299,12 +297,15 @@ static int adis16204_initial_setup(struct iio_dev *indio_dev)
err_ret:
return ret;
}
/* Unique to this driver currently */
#define IIO_DEV_ATTR_ACCEL_XY(_show, _addr) \
IIO_DEVICE_ATTR(accel_xy, S_IRUGO, _show, NULL, _addr)
#define IIO_DEV_ATTR_ACCEL_XYPEAK(_show, _addr) \
IIO_DEVICE_ATTR(accel_xypeak, S_IRUGO, _show, NULL, _addr)
static IIO_DEV_ATTR_ACCEL_XY(adis16204_read_14bit_signed,
ADIS16204_XY_RSS_OUT);
static IIO_DEV_ATTR_ACCEL_XPEAK(adis16204_read_14bit_signed,
ADIS16204_X_PEAK_OUT);
static IIO_DEV_ATTR_ACCEL_YPEAK(adis16204_read_14bit_signed,
ADIS16204_Y_PEAK_OUT);
static IIO_DEV_ATTR_ACCEL_XYPEAK(adis16204_read_14bit_signed,
ADIS16204_XY_PEAK_OUT);
static IIO_CONST_ATTR(accel_xy_scale, "0.017125");
@@ -319,13 +320,16 @@ enum adis16204_channel {
accel_y,
};
static u8 adis16204_addresses[5][2] = {
static u8 adis16204_addresses[5][3] = {
[in_supply] = { ADIS16204_SUPPLY_OUT },
[in_aux] = { ADIS16204_AUX_ADC },
[temp] = { ADIS16204_TEMP_OUT },
[accel_x] = { ADIS16204_XACCL_OUT, ADIS16204_XACCL_NULL },
[accel_y] = { ADIS16204_XACCL_OUT, ADIS16204_YACCL_NULL },
[accel_x] = { ADIS16204_XACCL_OUT, ADIS16204_XACCL_NULL,
ADIS16204_X_PEAK_OUT },
[accel_y] = { ADIS16204_XACCL_OUT, ADIS16204_YACCL_NULL,
ADIS16204_Y_PEAK_OUT },
};
static int adis16204_read_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int *val, int *val2,
@@ -335,6 +339,7 @@ static int adis16204_read_raw(struct iio_dev *indio_dev,
int bits;
u8 addr;
s16 val16;
int addrind;
switch (mask) {
case 0:
@@ -389,15 +394,16 @@ static int adis16204_read_raw(struct iio_dev *indio_dev,
*val = 25;
return IIO_VAL_INT;
case (1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE):
switch (chan->type) {
case IIO_ACCEL:
case (1 << IIO_CHAN_INFO_PEAK_SEPARATE):
if (mask == (1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE)) {
bits = 12;
break;
default:
return -EINVAL;
};
addrind = 1;
} else { /* PEAK_SEPARATE */
bits = 14;
addrind = 2;
}
mutex_lock(&indio_dev->mlock);
addr = adis16204_addresses[chan->address][1];
addr = adis16204_addresses[chan->address][addrind];
ret = adis16204_spi_read_reg_16(indio_dev, addr, &val16);
if (ret) {
mutex_unlock(&indio_dev->mlock);
@@ -453,21 +459,22 @@ static struct iio_chan_spec adis16204_channels[] = {
IIO_ST('u', 12, 16, 0), 0),
IIO_CHAN(IIO_ACCEL, 1, 0, 0, NULL, 0, IIO_MOD_X,
(1 << IIO_CHAN_INFO_SCALE_SEPARATE) |
(1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE),
(1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE) |
(1 << IIO_CHAN_INFO_PEAK_SEPARATE),
accel_x, ADIS16204_SCAN_ACC_X,
IIO_ST('s', 14, 16, 0), 0),
IIO_CHAN(IIO_ACCEL, 1, 0, 0, NULL, 0, IIO_MOD_Y,
(1 << IIO_CHAN_INFO_SCALE_SEPARATE) |
(1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE),
(1 << IIO_CHAN_INFO_CALIBBIAS_SEPARATE) |
(1 << IIO_CHAN_INFO_PEAK_SEPARATE),
accel_y, ADIS16204_SCAN_ACC_Y,
IIO_ST('s', 14, 16, 0), 0),
IIO_CHAN_SOFT_TIMESTAMP(5),
};
static struct attribute *adis16204_attributes[] = {
&iio_dev_attr_reset.dev_attr.attr,
&iio_dev_attr_accel_xy.dev_attr.attr,
&iio_dev_attr_accel_xpeak.dev_attr.attr,
&iio_dev_attr_accel_ypeak.dev_attr.attr,
&iio_dev_attr_accel_xypeak.dev_attr.attr,
&iio_const_attr_accel_xy_scale.dev_attr.attr,
NULL