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>
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be3ebd1f16
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ef26b83090
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@ -145,7 +145,10 @@ static ssize_t sca3000_show_ring_bpse(struct device *dev,
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ret = sca3000_read_data(st, SCA3000_REG_ADDR_MODE, &rx, 1);
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if (ret)
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goto error_ret;
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len = sprintf(buf, "%d\n", (rx[1] & SCA3000_RING_BUF_8BIT) ? 8 : 11);
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if (rx[1] & SCA3000_RING_BUF_8BIT)
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len = sprintf(buf, "s8/8\n");
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else
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len = sprintf(buf, "s11/16\n");
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kfree(rx);
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error_ret:
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mutex_unlock(&st->lock);
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@ -169,30 +172,23 @@ static ssize_t sca3000_store_ring_bpse(struct device *dev,
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struct sca3000_state *st = indio_dev->dev_data;
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int ret;
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u8 *rx;
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long val;
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ret = strict_strtol(buf, 10, &val);
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if (ret)
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return ret;
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mutex_lock(&st->lock);
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ret = sca3000_read_data(st, SCA3000_REG_ADDR_MODE, &rx, 1);
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if (!ret)
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switch (val) {
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case 8:
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ret = sca3000_write_reg(st, SCA3000_REG_ADDR_MODE,
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rx[1] | SCA3000_RING_BUF_8BIT);
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st->bpse = 8;
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break;
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case 11:
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ret = sca3000_write_reg(st, SCA3000_REG_ADDR_MODE,
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rx[1] & ~SCA3000_RING_BUF_8BIT);
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st->bpse = 11;
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break;
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default:
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ret = -EINVAL;
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break;
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}
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if (ret)
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goto error_ret;
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if (strncmp(buf, "s8/8", 4) == 0) {
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ret = sca3000_write_reg(st, SCA3000_REG_ADDR_MODE,
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rx[1] | SCA3000_RING_BUF_8BIT);
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st->bpse = 8;
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} else if (strncmp(buf, "s11/16", 5) == 0) {
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ret = sca3000_write_reg(st, SCA3000_REG_ADDR_MODE,
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rx[1] & ~SCA3000_RING_BUF_8BIT);
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st->bpse = 11;
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} else
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ret = -EINVAL;
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error_ret:
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mutex_unlock(&st->lock);
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return ret ? ret : len;
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@ -201,8 +197,8 @@ static ssize_t sca3000_store_ring_bpse(struct device *dev,
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static IIO_SCAN_EL_C(accel_x, 0, 0, 0, NULL);
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static IIO_SCAN_EL_C(accel_y, 1, 0, 0, NULL);
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static IIO_SCAN_EL_C(accel_z, 2, 0, 0, NULL);
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static IIO_CONST_ATTR(accel_precision_available, "8 11");
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static IIO_DEVICE_ATTR(accel_precision,
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static IIO_CONST_ATTR(accel_type_available, "s8/8 s11/16");
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static IIO_DEVICE_ATTR(accel_type,
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S_IRUGO | S_IWUSR,
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sca3000_show_ring_bpse,
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sca3000_store_ring_bpse,
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@ -212,8 +208,8 @@ static struct attribute *sca3000_scan_el_attrs[] = {
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&iio_scan_el_accel_x.dev_attr.attr,
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&iio_scan_el_accel_y.dev_attr.attr,
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&iio_scan_el_accel_z.dev_attr.attr,
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&iio_const_attr_accel_precision_available.dev_attr.attr,
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&iio_dev_attr_accel_precision.dev_attr.attr,
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&iio_const_attr_accel_type_available.dev_attr.attr,
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&iio_dev_attr_accel_type.dev_attr.attr,
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NULL
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};
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