| Message ID | 20170117140230.23142-2-mylene.josserand@free-electrons.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
On Tue, Jan 17, 2017 at 03:02:21PM +0100, Mylène Josserand wrote: > As done previously for sun4i-codec, the DMA maxburst of 4 > is not supported by every SoCs so the DMA controller engine > returns "unsupported value". > > As a maxburst of 8 is supported by all variants, this patch > increases it to 8. > > For more details, see commit from Chen-Yu Tsai: > commit 730e2dd0cbc7 ("ASoC: sun4i-codec: Increase DMA max burst to 8") Those details could have been included directly in the commit log. Otherwise, Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Thanks! Maxime
diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c index f24d19526603..4237323ef594 100644 --- a/sound/soc/sunxi/sun4i-i2s.c +++ b/sound/soc/sunxi/sun4i-i2s.c @@ -694,10 +694,10 @@ static int sun4i_i2s_probe(struct platform_device *pdev) } i2s->playback_dma_data.addr = res->start + SUN4I_I2S_FIFO_TX_REG; - i2s->playback_dma_data.maxburst = 4; + i2s->playback_dma_data.maxburst = 8; i2s->capture_dma_data.addr = res->start + SUN4I_I2S_FIFO_RX_REG; - i2s->capture_dma_data.maxburst = 4; + i2s->capture_dma_data.maxburst = 8; pm_runtime_enable(&pdev->dev); if (!pm_runtime_enabled(&pdev->dev)) {
As done previously for sun4i-codec, the DMA maxburst of 4 is not supported by every SoCs so the DMA controller engine returns "unsupported value". As a maxburst of 8 is supported by all variants, this patch increases it to 8. For more details, see commit from Chen-Yu Tsai: commit 730e2dd0cbc7 ("ASoC: sun4i-codec: Increase DMA max burst to 8") Signed-off-by: Mylène Josserand <mylene.josserand@free-electrons.com> --- sound/soc/sunxi/sun4i-i2s.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)