Lines Matching refs:period_len
225 size_t period_len,
235 if (!period_len)
239 * period_len means: that we need to generate
241 * multiple of period_len - this is typically
247 if (*total_len + control_block->length < period_len) {
254 control_block->length = period_len - *total_len;
293 * @period_len: the period length when to apply @finalextrainfo
297 * (or when period_len is reached in case of cyclic)
304 size_t period_len, gfp_t gfp)
348 len, period_len, &total_len,
694 size_t period_len, enum dma_transfer_direction direction,
721 period_len = buf_len;
724 * warn if buf_len is not a multiple of period_len - this may leed
727 if (buf_len % period_len)
729 "%s: buffer_length (%zd) is not a multiple of period_len (%zd)\n",
730 __func__, buf_len, period_len);
756 DIV_ROUND_UP(buf_len, period_len) *
758 bcm2835_dma_frames_for_length(period_len, max_len);
768 period_len, GFP_NOWAIT);