diff options
| author | Jonathan Cameron <jic23@kernel.org> | 2012-04-21 09:09:34 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-24 18:23:37 (GMT) |
| commit | f1264809eb7fe4227dc9fc47723b9bd44afc5641 (patch) | |
| tree | 022492fc06b6128a8e22557c20231a2d400ed892 /drivers/staging | |
| parent | 6b3b58ed15cdc27b1ded4487d74c1b7ae04aa162 (diff) | |
| download | linux-f1264809eb7fe4227dc9fc47723b9bd44afc5641.tar.xz | |
staging:iio: scan_index_timestamp move to iio_dev from buffer
This is just a locally cached value that is device specific (rather
than buffer specific.) Hence it wants to come out of the buffer before
we add multiple buffer support.
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/iio/buffer.h | 2 | ||||
| -rw-r--r-- | drivers/staging/iio/iio.h | 2 | ||||
| -rw-r--r-- | drivers/staging/iio/industrialio-buffer.c | 7 |
3 files changed, 5 insertions, 6 deletions
diff --git a/drivers/staging/iio/buffer.h b/drivers/staging/iio/buffer.h index df2046d..3d3ea9e 100644 --- a/drivers/staging/iio/buffer.h +++ b/drivers/staging/iio/buffer.h @@ -56,7 +56,6 @@ struct iio_buffer_access_funcs { * @scan_el_attrs: [DRIVER] control of scan elements if that scan mode * control method is used * @scan_mask: [INTERN] bitmask used in masking scan mode elements - * @scan_index_timestamp:[INTERN] cache of the index to the timestamp * @scan_timestamp: [INTERN] does the scan mode include a timestamp * @access: [DRIVER] buffer access functions associated with the * implementation. @@ -74,7 +73,6 @@ struct iio_buffer { struct attribute_group *scan_el_attrs; long *scan_mask; bool scan_timestamp; - unsigned scan_index_timestamp; const struct iio_buffer_access_funcs *access; struct list_head scan_el_dev_attr_list; struct attribute_group scan_el_group; diff --git a/drivers/staging/iio/iio.h b/drivers/staging/iio/iio.h index a562763..6832c98 100644 --- a/drivers/staging/iio/iio.h +++ b/drivers/staging/iio/iio.h @@ -305,6 +305,7 @@ struct iio_buffer_setup_ops { * @masklength: [INTERN] the length of the mask established from * channels * @active_scan_mask: [INTERN] union of all scan masks requested by buffers + * @scan_index_timestamp:[INTERN] cache of the index to the timestamp * @trig: [INTERN] current device trigger (buffer modes) * @pollfunc: [DRIVER] function run on trigger being received * @channels: [DRIVER] channel specification structure table @@ -339,6 +340,7 @@ struct iio_dev { const unsigned long *available_scan_masks; unsigned masklength; const unsigned long *active_scan_mask; + unsigned scan_index_timestamp; struct iio_trigger *trig; struct iio_poll_func *pollfunc; diff --git a/drivers/staging/iio/industrialio-buffer.c b/drivers/staging/iio/industrialio-buffer.c index 389fe16..0359161 100644 --- a/drivers/staging/iio/industrialio-buffer.c +++ b/drivers/staging/iio/industrialio-buffer.c @@ -296,7 +296,7 @@ int iio_buffer_register(struct iio_dev *indio_dev, goto error_cleanup_dynamic; attrcount += ret; if (channels[i].type == IIO_TIMESTAMP) - buffer->scan_index_timestamp = + indio_dev->scan_index_timestamp = channels[i].scan_index; } if (indio_dev->masklength && buffer->scan_mask == NULL) { @@ -525,8 +525,7 @@ static int iio_compute_scan_bytes(struct iio_dev *indio_dev, const long *mask, } if (timestamp) { ch = iio_find_channel_from_si(indio_dev, - indio_dev - ->buffer->scan_index_timestamp); + indio_dev->scan_index_timestamp); length = ch->scan_type.storagebits / 8; bytes = ALIGN(bytes, length); bytes += length; @@ -721,7 +720,7 @@ int iio_update_demux(struct iio_dev *indio_dev) goto error_clear_mux_table; } ch = iio_find_channel_from_si(indio_dev, - buffer->scan_index_timestamp); + indio_dev->scan_index_timestamp); length = ch->scan_type.storagebits/8; if (out_loc % length) out_loc += length - out_loc % length; |