diff --git a/drivers/staging/iio/light/tsl2x7x.c b/drivers/staging/iio/light/tsl2x7x.c index cc209b64ed5a..380a6c96a69a 100644 --- a/drivers/staging/iio/light/tsl2x7x.c +++ b/drivers/staging/iio/light/tsl2x7x.c @@ -773,7 +773,7 @@ unlock: } static void tsl2x7x_prox_calculate(int *data, int length, - struct tsl2x7x_prox_stat *statP) + struct tsl2x7x_prox_stat *stat) { int i; int sample_sum; @@ -783,21 +783,21 @@ static void tsl2x7x_prox_calculate(int *data, int length, length = 1; sample_sum = 0; - statP->min = INT_MAX; - statP->max = INT_MIN; + stat->min = INT_MAX; + stat->max = INT_MIN; for (i = 0; i < length; i++) { sample_sum += data[i]; - statP->min = min(statP->min, data[i]); - statP->max = max(statP->max, data[i]); + stat->min = min(stat->min, data[i]); + stat->max = max(stat->max, data[i]); } - statP->mean = sample_sum / length; + stat->mean = sample_sum / length; sample_sum = 0; for (i = 0; i < length; i++) { - tmp = data[i] - statP->mean; + tmp = data[i] - stat->mean; sample_sum += tmp * tmp; } - statP->stddev = int_sqrt((long)sample_sum / length); + stat->stddev = int_sqrt((long)sample_sum / length); } /** @@ -812,7 +812,7 @@ static void tsl2x7x_prox_cal(struct iio_dev *indio_dev) int prox_history[MAX_SAMPLES_CAL + 1]; int i; struct tsl2x7x_prox_stat prox_stat_data[2]; - struct tsl2x7x_prox_stat *calP; + struct tsl2x7x_prox_stat *cal; struct tsl2X7X_chip *chip = iio_priv(indio_dev); u8 tmp_irq_settings; u8 current_state = chip->tsl2x7x_chip_status; @@ -844,13 +844,13 @@ static void tsl2x7x_prox_cal(struct iio_dev *indio_dev) } tsl2x7x_chip_off(indio_dev); - calP = &prox_stat_data[PROX_STAT_CAL]; + cal = &prox_stat_data[PROX_STAT_CAL]; tsl2x7x_prox_calculate(prox_history, - chip->settings.prox_max_samples_cal, calP); - chip->settings.prox_thres_high = (calP->max << 1) - calP->mean; + chip->settings.prox_max_samples_cal, cal); + chip->settings.prox_thres_high = (cal->max << 1) - cal->mean; dev_info(&chip->client->dev, " cal min=%d mean=%d max=%d\n", - calP->min, calP->mean, calP->max); + cal->min, cal->mean, cal->max); dev_info(&chip->client->dev, "%s proximity threshold set to %d\n", chip->client->name, chip->settings.prox_thres_high);