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staging: iio: sca3000 add _type attributes for all scan elements 

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>
This commit is contained in:
Jonathan Cameron 2010-09-21 14:40:51 +01:00 committed by Greg Kroah-Hartman
parent be3ebd1f16
commit ef26b83090
1 changed files with 21 additions and 25 deletions
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46
drivers/staging/iio/accel/sca3000_ring.c
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@ -145,7 +145,10 @@ static ssize_t sca3000_show_ring_bpse(struct device *dev,
ret = sca3000_read_data(st, SCA3000_REG_ADDR_MODE, &rx, 1);
if (ret)
goto error_ret;
len = sprintf(buf, "%d\n", (rx[1] & SCA3000_RING_BUF_8BIT) ? 8 : 11);
if (rx[1] & SCA3000_RING_BUF_8BIT)
len = sprintf(buf, "s8/8\n");
else
len = sprintf(buf, "s11/16\n");
kfree(rx);
error_ret:
mutex_unlock(&st->lock);
@ -169,30 +172,23 @@ static ssize_t sca3000_store_ring_bpse(struct device *dev,
struct sca3000_state *st = indio_dev->dev_data;
int ret;
u8 *rx;
long val;
ret = strict_strtol(buf, 10, &val);
if (ret)
return ret;
mutex_lock(&st->lock);
ret = sca3000_read_data(st, SCA3000_REG_ADDR_MODE, &rx, 1);
if (!ret)
switch (val) {
case 8:
ret = sca3000_write_reg(st, SCA3000_REG_ADDR_MODE,
rx[1] | SCA3000_RING_BUF_8BIT);
st->bpse = 8;
break;
case 11:
ret = sca3000_write_reg(st, SCA3000_REG_ADDR_MODE,
rx[1] & ~SCA3000_RING_BUF_8BIT);
st->bpse = 11;
break;
default:
ret = -EINVAL;
break;
}
if (ret)
goto error_ret;
if (strncmp(buf, "s8/8", 4) == 0) {
ret = sca3000_write_reg(st, SCA3000_REG_ADDR_MODE,
rx[1] | SCA3000_RING_BUF_8BIT);
st->bpse = 8;
} else if (strncmp(buf, "s11/16", 5) == 0) {
ret = sca3000_write_reg(st, SCA3000_REG_ADDR_MODE,
rx[1] & ~SCA3000_RING_BUF_8BIT);
st->bpse = 11;
} else
ret = -EINVAL;
error_ret:
mutex_unlock(&st->lock);
return ret ? ret : len;
@ -201,8 +197,8 @@ static ssize_t sca3000_store_ring_bpse(struct device *dev,
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,
static IIO_CONST_ATTR(accel_type_available, "s8/8 s11/16");
static IIO_DEVICE_ATTR(accel_type,
S_IRUGO | S_IWUSR,
sca3000_show_ring_bpse,
sca3000_store_ring_bpse,
@ -212,8 +208,8 @@ 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,
&iio_const_attr_accel_type_available.dev_attr.attr,
&iio_dev_attr_accel_type.dev_attr.attr,
NULL
};