All volt-temp tables here are sorted in descending order. There is no
need to accout for (unused) ascending table sorting case, so simplify
the conversion function.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
drivers/iio/adc/qcom-vadc-common.c | 21 +--------------------
1 file changed, 1 insertion(+), 20 deletions(-)
diff --git a/drivers/iio/adc/qcom-vadc-common.c b/drivers/iio/adc/qcom-vadc-common.c
index 0c705bb473fe..441843827f05 100644
--- a/drivers/iio/adc/qcom-vadc-common.c
+++ b/drivers/iio/adc/qcom-vadc-common.c
@@ -346,38 +346,19 @@ static struct qcom_adc5_scale_type scale_adc5_fn[] = {
static int qcom_vadc_map_voltage_temp(const struct vadc_map_pt *pts,
u32 tablesize, s32 input, int *output)
{
- bool descending = 1;
u32 i = 0;
if (!pts)
return -EINVAL;
- /* Check if table is descending or ascending */
- if (tablesize > 1) {
- if (pts[0].x < pts[1].x)
- descending = 0;
- }
-
- while (i < tablesize) {
- if ((descending) && (pts[i].x < input)) {
- /* table entry is less than measured*/
- /* value and table is descending, stop */
- break;
- } else if ((!descending) &&
- (pts[i].x > input)) {
- /* table entry is greater than measured*/
- /*value and table is ascending, stop */
- break;
- }
+ while (i < tablesize && pts[i].x > input)
i++;
- }
if (i == 0) {
*output = pts[0].y;
} else if (i == tablesize) {
*output = pts[tablesize - 1].y;
} else {
- /* result is between search_index and search_index-1 */
/* interpolate linearly */
*output = fixp_linear_interpolate(pts[i - 1].x, pts[i - 1].y,
pts[i].x, pts[i].y,
--
2.29.2
