commit 80857e7047e20ea0e962304edb207e9e8a91c055
author Puneet yatnala <puneet@codeaurora.org> Wed Mar 07 17:30:49 2018 +0530
committer Gerrit - the friendly Code Review server <code-review@localhost> Thu Jan 31 22:35:35 2019 -0800
tree 70eaddcd2a5a4578aab24f313ea1c774b527af98
parent 922649c411c41c48812cd0cbeb939c4f6f0af440

driver: iio: imu: asm330 early buffer implemented

This patch allows to buffer ST-ASM330 accel and gyro samples from driver
up to time till user space services are up and running
(or upto nth second). Buffered samples can be retrived at any time via
input subsystem by writing to below sysfs entry.

echo 1 > /sys/bus/iio/devices/iio:device0/read_acc_boot_sample
echo 1 > /sys/bus/iio/devices/iio:device0/read_gyro_boot_sample

Use config option to enable buffering feature.

Change-Id: I81743dae8ad0fd60b95f3e8385ecbf0f17c0537f
Signed-off-by: Puneet Yatnal <puneet@codeaurora.org>