This patch adds the support of loading a calibration file and write it
back to the drv2624 kernel driver. The calibration file contains the
BEMF, GAIN and COMP numbers generated using the auto-calibration feature
of the drv2624 driver IC. The file also contains the per-device resonant
frequency number.
Test: calibrate the device and read back the values from kernel
Change-Id: Ieafe5b317c7544bd8d657168250fb41e2ee0d8fc
Signed-off-by: David Lin <dtwlin@google.com>
This patch updates the click waveform to use 6 ms full amplitude as well
as switching to open-loop mode for any duration that's less than 20 ms.
The medium and strong now shares the same strength to provide a stronger
default feedback.
Bug: 37952639
Test: keyboard and home key taps
Change-Id: I00086e47e41d97ce8363ba4032eeab320ad1b765
Signed-off-by: David Lin <dtwlin@google.com>
This adds the vibrator HAL that implements the new setAmplitude and
perform(Effect) API.
Test done: vibrator_hidl_hal_test
Bug: 36782452
Change-Id: If9988434277790becb469d4dd928e75f7e6af41a
Signed-off-by: David Lin <dtwlin@google.com>
