Lines Matching defs:watermark
534 * @watermark: number of conversions to copy before DMA triggers irq
544 int watermark;
1215 * compute buffer size w.r.t. watermark and enabled channels.
1230 st->dma_st.rx_buf_sz *= st->dma_st.watermark;
1496 sample_size = div_s64(st->dma_st.rx_buf_sz, st->dma_st.watermark);
2113 dev_dbg(&indio_dev->dev, "new watermark is %u\n", val);
2114 st->dma_st.watermark = val;
2117 * The logic here is: if we have watermark 1, it means we do
2119 * If the watermark is higher, we do DMA to do all the transfers in bulk
2128 * We can start the DMA only after setting the watermark and
2193 return sysfs_emit(buf, "%d\n", st->dma_st.watermark);
2252 * a watermark of 1
2254 st->dma_st.watermark = 1;