[PATCH v4 10/10] ASoC: rockchip_i2s: modify DMA max burst to 1
Shawn Lin
shawn.lin at rock-chips.com
Fri Sep 11 05:31:16 PDT 2015
在 2015/9/11 19:53, Mark Brown 写道:
> On Sun, Sep 06, 2015 at 09:13:28AM +0800, Shawn Lin wrote:
>
>> @@ -460,7 +463,6 @@ static int rockchip_i2s_probe(struct platform_device *pdev)
>> i2s->playback_dma_data.addr = res->start + I2S_TXDR;
>> i2s->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
>> i2s->playback_dma_data.maxburst = 4;
>> -
>> i2s->capture_dma_data.addr = res->start + I2S_RXDR;
>> i2s->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
>> i2s->capture_dma_data.maxburst = 4;
>
> This random whitespace change shouldn't be in here.
yes, sorry for this bit.
>
>> @@ -489,6 +491,18 @@ static int rockchip_i2s_probe(struct platform_device *pdev)
>> goto err_pcm_register;
>> }
>>
>> + dma_quirk = snd_dmaengine_pcm_get_quirks(&pdev->dev);
>> + if (dma_quirk == ROCKCHIP_I2S_BROKEN_BURST_LEN) {
>> + /*
>
> I'd expect this to be a switch statement given the way this is written.
Ahh.. agreed, but we don't expect more quriks for this driver. :))))
Will be done for the next version.
Thanks.
>
--
Best Regards
Shawn Lin
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