19.02.2020 17:39, Jean-Baptiste Maneyrol пишет: > Use runtime power management for handling chip power and > sensor engines on/off. Simplifies things a lot since pm > runtime already has reference counter. > Usage of autosuspend reduces the number of power on/off. This > makes polling interface now usable to get data at low > frequency. > > Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@xxxxxxxxxxxxxx> > --- > drivers/iio/imu/inv_mpu6050/inv_mpu_core.c | 267 ++++++++++++------ > drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h | 5 +- > drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c | 33 ++- > 3 files changed, 194 insertions(+), 111 deletions(-) Hello, This patch introduces a system suspend-resume regressing, I'm seeing the following on entering into suspend: vdd_gen1v8: Underflow of regulator enable count inv-mpu6050-i2c 1-0068: Failed to disable vddio regulator: -22 Apparently RPM disables the regulator and then it's erroneously disabled second time on suspend. Please fix it, thanks in advance.
