diff options
Diffstat (limited to 'drivers/staging/iio/light/tsl2x7x_core.c')
| -rw-r--r-- | drivers/staging/iio/light/tsl2x7x_core.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/staging/iio/light/tsl2x7x_core.c b/drivers/staging/iio/light/tsl2x7x_core.c index 010e607dd880..9dfd04855a1b 100644 --- a/drivers/staging/iio/light/tsl2x7x_core.c +++ b/drivers/staging/iio/light/tsl2x7x_core.c @@ -403,7 +403,7 @@ static int tsl2x7x_get_lux(struct iio_dev *indio_dev) goto return_max; } - if (ch0 == 0) { + if (!ch0) { /* have no data, so return LAST VALUE */ ret = chip->als_cur_info.lux; goto out_unlock; @@ -418,9 +418,9 @@ static int tsl2x7x_get_lux(struct iio_dev *indio_dev) if (p->ratio == 0) { lux = 0; } else { - ch0lux = DIV_ROUND_UP((ch0 * p->ch0), + ch0lux = DIV_ROUND_UP(ch0 * p->ch0, tsl2X7X_als_gainadj[chip->tsl2x7x_settings.als_gain]); - ch1lux = DIV_ROUND_UP((ch1 * p->ch1), + ch1lux = DIV_ROUND_UP(ch1 * p->ch1, tsl2X7X_als_gainadj[chip->tsl2x7x_settings.als_gain]); lux = ch0lux - ch1lux; } @@ -678,7 +678,7 @@ static int tsl2x7x_chip_on(struct iio_dev *indio_dev) /* determine als integration register */ als_count = (chip->tsl2x7x_settings.als_time * 100 + 135) / 270; - if (als_count == 0) + if (!als_count) als_count = 1; /* ensure at least one cycle */ /* convert back to time (encompasses overrides) */ @@ -825,7 +825,7 @@ void tsl2x7x_prox_calculate(int *data, int length, int sample_sum; int tmp; - if (length == 0) + if (!length) length = 1; sample_sum = 0; @@ -1057,7 +1057,7 @@ static ssize_t tsl2x7x_als_persistence_store(struct device *dev, z = y * TSL2X7X_MIN_ITIME; filter_delay = - DIV_ROUND_UP(((result.integer * 1000) + result.fract), z); + DIV_ROUND_UP((result.integer * 1000) + result.fract, z); chip->tsl2x7x_settings.persistence &= 0xF0; chip->tsl2x7x_settings.persistence |= (filter_delay & 0x0F); @@ -1103,7 +1103,7 @@ static ssize_t tsl2x7x_prox_persistence_store(struct device *dev, z = y * TSL2X7X_MIN_ITIME; filter_delay = - DIV_ROUND_UP(((result.integer * 1000) + result.fract), z); + DIV_ROUND_UP((result.integer * 1000) + result.fract, z); chip->tsl2x7x_settings.persistence &= 0x0F; chip->tsl2x7x_settings.persistence |= ((filter_delay << 4) & 0xF0); |