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Diffstat (limited to 'drivers/sensors/pmw3389.c')
| -rw-r--r-- | drivers/sensors/pmw3389.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/sensors/pmw3389.c b/drivers/sensors/pmw3389.c index c5781a5ffe..10e578edac 100644 --- a/drivers/sensors/pmw3389.c +++ b/drivers/sensors/pmw3389.c @@ -22,7 +22,7 @@ void pmw33xx_set_cpi(uint8_t sensor, uint16_t cpi) { return; } - uint16_t cpival = CONSTRAIN((cpi / PMW33XX_CPI_STEP) - 1, 0, (PMW33XX_CPI_MAX / PMW33XX_CPI_STEP) - 1U); + uint16_t cpival = CONSTRAIN((cpi / PMW33XX_CPI_STEP), (PMW33XX_CPI_MIN / PMW33XX_CPI_STEP), (PMW33XX_CPI_MAX / PMW33XX_CPI_STEP)) - 1U; // Sets upper byte first for more consistent setting of cpi pmw33xx_write(sensor, REG_Resolution_H, (cpival >> 8) & 0xFF); pmw33xx_write(sensor, REG_Resolution_L, cpival & 0xFF); |