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path: root/drivers/iio/light/zopt2201.c
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Diffstat (limited to 'drivers/iio/light/zopt2201.c')
-rw-r--r--drivers/iio/light/zopt2201.c42
1 files changed, 12 insertions, 30 deletions
diff --git a/drivers/iio/light/zopt2201.c b/drivers/iio/light/zopt2201.c
index 604be60e92ac..1e5e9bf2935f 100644
--- a/drivers/iio/light/zopt2201.c
+++ b/drivers/iio/light/zopt2201.c
@@ -113,11 +113,13 @@ static const struct {
{ 13, 3125 },
};
-static const struct {
+struct zopt2201_scale {
unsigned int scale, uscale; /* scale factor as integer + micro */
u8 gain; /* gain register value */
u8 res; /* resolution register value */
-} zopt2201_scale_als[] = {
+};
+
+static struct zopt2201_scale zopt2201_scale_als[] = {
{ 19, 200000, 0, 5 },
{ 6, 400000, 1, 5 },
{ 3, 200000, 2, 5 },
@@ -142,11 +144,7 @@ static const struct {
{ 0, 8333, 4, 0 },
};
-static const struct {
- unsigned int scale, uscale; /* scale factor as integer + micro */
- u8 gain; /* gain register value */
- u8 res; /* resolution register value */
-} zopt2201_scale_uvb[] = {
+static struct zopt2201_scale zopt2201_scale_uvb[] = {
{ 0, 460800, 0, 5 },
{ 0, 153600, 1, 5 },
{ 0, 76800, 2, 5 },
@@ -348,16 +346,17 @@ static int zopt2201_set_gain(struct zopt2201_data *data, u8 gain)
return 0;
}
-static int zopt2201_write_scale_als_by_idx(struct zopt2201_data *data, int idx)
+static int zopt2201_write_scale_by_idx(struct zopt2201_data *data, int idx,
+ struct zopt2201_scale *zopt2201_scale_array)
{
int ret;
mutex_lock(&data->lock);
- ret = zopt2201_set_resolution(data, zopt2201_scale_als[idx].res);
+ ret = zopt2201_set_resolution(data, zopt2201_scale_array[idx].res);
if (ret < 0)
goto unlock;
- ret = zopt2201_set_gain(data, zopt2201_scale_als[idx].gain);
+ ret = zopt2201_set_gain(data, zopt2201_scale_array[idx].gain);
unlock:
mutex_unlock(&data->lock);
@@ -371,29 +370,12 @@ static int zopt2201_write_scale_als(struct zopt2201_data *data,
for (i = 0; i < ARRAY_SIZE(zopt2201_scale_als); i++)
if (val == zopt2201_scale_als[i].scale &&
- val2 == zopt2201_scale_als[i].uscale) {
- return zopt2201_write_scale_als_by_idx(data, i);
- }
+ val2 == zopt2201_scale_als[i].uscale)
+ return zopt2201_write_scale_by_idx(data, i, zopt2201_scale_als);
return -EINVAL;
}
-static int zopt2201_write_scale_uvb_by_idx(struct zopt2201_data *data, int idx)
-{
- int ret;
-
- mutex_lock(&data->lock);
- ret = zopt2201_set_resolution(data, zopt2201_scale_als[idx].res);
- if (ret < 0)
- goto unlock;
-
- ret = zopt2201_set_gain(data, zopt2201_scale_als[idx].gain);
-
-unlock:
- mutex_unlock(&data->lock);
- return ret;
-}
-
static int zopt2201_write_scale_uvb(struct zopt2201_data *data,
int val, int val2)
{
@@ -402,7 +384,7 @@ static int zopt2201_write_scale_uvb(struct zopt2201_data *data,
for (i = 0; i < ARRAY_SIZE(zopt2201_scale_uvb); i++)
if (val == zopt2201_scale_uvb[i].scale &&
val2 == zopt2201_scale_uvb[i].uscale)
- return zopt2201_write_scale_uvb_by_idx(data, i);
+ return zopt2201_write_scale_by_idx(data, i, zopt2201_scale_uvb);
return -EINVAL;
}