github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-04 20:46:48 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

iio: imu: bno055: make bno055_sysfs_attr const

Browse Source 
Add const qualifier to struct bno055_sysfs_attr and its array fields.
All of this is read-only data so it can be made const.

Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250709-iio-const-data-19-v2-2-fb3fc9191251@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
David Lechner 2025-07-09 21:20:01 -05:00 committed by Jonathan Cameron
parent 399b883ec8
commit 50467d899a
1 changed files with 26 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
drivers/iio/imu/bno055/bno055.c
View File

@ -114,35 +114,35 @@
#define BNO055_UID_LEN 16
struct bno055_sysfs_attr {
int *vals;
const int *vals;
int len;
int *fusion_vals;
int *hw_xlate;
const int *fusion_vals;
const int *hw_xlate;
int hw_xlate_len;
int type;
};
static int bno055_acc_lpf_vals[] = {
static const int bno055_acc_lpf_vals[] = {
7, 810000, 15, 630000, 31, 250000, 62, 500000,
125, 0, 250, 0, 500, 0, 1000, 0,
};
static struct bno055_sysfs_attr bno055_acc_lpf = {
static const struct bno055_sysfs_attr bno055_acc_lpf = {
.vals = bno055_acc_lpf_vals,
.len = ARRAY_SIZE(bno055_acc_lpf_vals),
.fusion_vals = (int[]){62, 500000},
.fusion_vals = (const int[]){62, 500000},
.type = IIO_VAL_INT_PLUS_MICRO,
};
static int bno055_acc_range_vals[] = {
static const int bno055_acc_range_vals[] = {
/* G: 2, 4, 8, 16 */
1962, 3924, 7848, 15696
};
static struct bno055_sysfs_attr bno055_acc_range = {
static const struct bno055_sysfs_attr bno055_acc_range = {
.vals = bno055_acc_range_vals,
.len = ARRAY_SIZE(bno055_acc_range_vals),
.fusion_vals = (int[]){3924}, /* 4G */
.fusion_vals = (const int[]){3924}, /* 4G */
.type = IIO_VAL_INT,
};
@ -166,37 +166,37 @@ static struct bno055_sysfs_attr bno055_acc_range = {
* = hwval * (dps_range/(2^15 * k))
* where k is rad-to-deg factor
*/
static int bno055_gyr_scale_vals[] = {
static const int bno055_gyr_scale_vals[] = {
125, 1877467, 250, 1877467, 500, 1877467,
1000, 1877467, 2000, 1877467,
};
static int bno055_gyr_scale_hw_xlate[] = {0, 1, 2, 3, 4};
static struct bno055_sysfs_attr bno055_gyr_scale = {
static const int bno055_gyr_scale_hw_xlate[] = {0, 1, 2, 3, 4};
static const struct bno055_sysfs_attr bno055_gyr_scale = {
.vals = bno055_gyr_scale_vals,
.len = ARRAY_SIZE(bno055_gyr_scale_vals),
.fusion_vals = (int[]){1, 900},
.fusion_vals = (const int[]){1, 900},
.hw_xlate = bno055_gyr_scale_hw_xlate,
.hw_xlate_len = ARRAY_SIZE(bno055_gyr_scale_hw_xlate),
.type = IIO_VAL_FRACTIONAL,
};
static int bno055_gyr_lpf_vals[] = {12, 23, 32, 47, 64, 116, 230, 523};
static int bno055_gyr_lpf_hw_xlate[] = {5, 4, 7, 3, 6, 2, 1, 0};
static struct bno055_sysfs_attr bno055_gyr_lpf = {
static const int bno055_gyr_lpf_vals[] = {12, 23, 32, 47, 64, 116, 230, 523};
static const int bno055_gyr_lpf_hw_xlate[] = {5, 4, 7, 3, 6, 2, 1, 0};
static const struct bno055_sysfs_attr bno055_gyr_lpf = {
.vals = bno055_gyr_lpf_vals,
.len = ARRAY_SIZE(bno055_gyr_lpf_vals),
.fusion_vals = (int[]){32},
.fusion_vals = (const int[]){32},
.hw_xlate = bno055_gyr_lpf_hw_xlate,
.hw_xlate_len = ARRAY_SIZE(bno055_gyr_lpf_hw_xlate),
.type = IIO_VAL_INT,
};
static int bno055_mag_odr_vals[] = {2, 6, 8, 10, 15, 20, 25, 30};
static struct bno055_sysfs_attr bno055_mag_odr = {
static const int bno055_mag_odr_vals[] = {2, 6, 8, 10, 15, 20, 25, 30};
static const struct bno055_sysfs_attr bno055_mag_odr = {
.vals = bno055_mag_odr_vals,
.len = ARRAY_SIZE(bno055_mag_odr_vals),
.fusion_vals = (int[]){20},
.fusion_vals = (const int[]){20},
.type = IIO_VAL_INT,
};
@ -553,7 +553,8 @@ static const struct iio_chan_spec bno055_channels[] = {
};
static int bno055_get_regmask(struct bno055_priv *priv, int *val, int *val2,
int reg, int mask, struct bno055_sysfs_attr *attr)
int reg, int mask,
const struct bno055_sysfs_attr *attr)
{
const int shift = __ffs(mask);
int hwval, idx;
@ -582,7 +583,8 @@ static int bno055_get_regmask(struct bno055_priv *priv, int *val, int *val2,
}
static int bno055_set_regmask(struct bno055_priv *priv, int val, int val2,
int reg, int mask, struct bno055_sysfs_attr *attr)
int reg, int mask,
const struct bno055_sysfs_attr *attr)
{
const int shift = __ffs(mask);
int best_delta;
@ -763,7 +765,8 @@ static int bno055_read_simple_chan(struct iio_dev *indio_dev,
}
}
static int bno055_sysfs_attr_avail(struct bno055_priv *priv, struct bno055_sysfs_attr *attr,
static int bno055_sysfs_attr_avail(struct bno055_priv *priv,
const struct bno055_sysfs_attr *attr,
const int **vals, int *length)
{
if (priv->operation_mode != BNO055_OPR_MODE_AMG) {