Fixes u32_t overflow during intermediary calculations using u64_t for
it. on_off is temporary value used for calculating on and off and it
got overflowed with simple test in tests/drivers/pwm/pwm_api
([period]: 2000, [pulse]: 2000)
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Values used in tests/drivers/pwm/pwm_api overflows calculation inside
xec_compute_dc(). Make calculation to be done in u64_t and then
convert to int.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
A 16bits on/off based PWM, found on MEC1501.
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
