diff options
| author | Gwendal Grignou <gwendal@chromium.org> | 2020-03-27 15:34:34 -0700 |
|---|---|---|
| committer | Enric Balletbo i Serra <enric.balletbo@collabora.com> | 2020-03-28 22:04:32 +0100 |
| commit | b9b05664ebf6cd58d2a7f9a7cffa119f331114e6 (patch) | |
| tree | 2e178f56b446ec79ea78e01aa776c6644f4f50b3 /include/linux/platform_data/cros_ec_sensorhub.h | |
| parent | 145d59baff5944b71551ac518d7fd7d377a9c820 (diff) | |
platform/chrome: cros_ec_sensorhub: Add code to spread timestmap
EC FIFO can send sensor events in batch. Spread them based on
previous (TSa) and currnet timestamp (TSb)
EC FIFO iio events
+-----------+
| TSa |
+-----------+ +---------------------------------------+
| event 1 | | event 1 | TSb - (TSb - TSa)/n * (n-1) |
+-----------+ +---------------------------------------+
| event 2 | | event 2 | TSb - (TSb - TSa)/n * (n-2) |
+-----------+ +---------------------------------------+
| ... | ------> | .... | |
+-----------+ +---------------------------------------+
| event n-1 | | event 2 | TSb - (TSb - TSa)/n |
+-----------+ +---------------------------------------+
| event n | | event 2 | TSb |
+-----------+ +---------------------------------------+
| TSb |
+-----------+
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Diffstat (limited to 'include/linux/platform_data/cros_ec_sensorhub.h')
0 files changed, 0 insertions, 0 deletions