Correct issue that the last entry in FIFO was being read twice due
to an incorrect decrement of entry count variable before condition
check.
Signed-off-by: Matt Ranostay <mranostay@xxxxxxxxx>
---
drivers/iio/light/apds9960.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/light/apds9960.c b/drivers/iio/light/apds9960.c
index f6a07dc..a6af56a 100644
--- a/drivers/iio/light/apds9960.c
+++ b/drivers/iio/light/apds9960.c
@@ -769,7 +769,7 @@ static void apds9960_read_gesture_fifo(struct apds9960_data *data)
mutex_lock(&data->lock);
data->gesture_mode_running = 1;
- while (cnt-- || (cnt = apds9660_fifo_is_empty(data) > 0)) {
+ while (cnt || (cnt = apds9660_fifo_is_empty(data) > 0)) {
ret = regmap_bulk_read(data->regmap, APDS9960_REG_GFIFO_BASE,
&data->buffer, 4);
@@ -777,6 +777,7 @@ static void apds9960_read_gesture_fifo(struct apds9960_data *data)
goto err_read;
iio_push_to_buffers(data->indio_dev, data->buffer);
+ cnt--;
}
err_read:
--
2.7.0
--
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