[PATCH 0/3] iio: complete the setup of buffer timestamps
From: Alison Schofield
Date: Mon Jul 11 2016 - 11:24:26 EST
These drivers are using iio_poll_func->timestamp in their triggered buffer
handler as the timestamp pushed to buffer. Problem is that it was not set up
at probe time via iio_triggered_buffer_setup(), so timestamp is always 0.
Buffer space has been allocated for the timestamp, so it seems to be
wanted.
These patches make the fix io_triggered_buffer_setup() during probe by
passing the iio_pollfunc_store_time parameter.
Alternative change would be to use iio_get_time_ns() directly in the
push_to_buffers call in the handler. We can do this if you are not
one of those "devices (who) need a timestamp grabbed as soon as possible
after the trigger" (from iio_poll_func definition)
Either way you are using iio_get_tme_ns(), it's just a question of when.
Let me know if you'd rather go the slower way.
Alison Schofield (3):
iio: accel: bma220_spi: set up buffer timestamps for non-zero values
iio: humidity: am2315: set up buffer timestamps for non-zero values
iio: proximity: as3935: set up buffer timestamps for non-zero values
drivers/iio/accel/bma220_spi.c | 2 +-
drivers/iio/humidity/am2315.c | 2 +-
drivers/iio/proximity/as3935.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
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2.1.4