linux-kernel - Re: [PATCH v4 10/10] ASoC: rockchip

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Message-ID: <20150911115331.GM12027@sirena.org.uk>
Date:	Fri, 11 Sep 2015 12:53:31 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Shawn Lin <shawn.lin@...k-chips.com>
Cc:	Vinod Koul <vinod.koul@...el.com>,
	Heiko Stuebner <heiko@...ech.de>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>,
	Doug Anderson <dianders@...omium.org>,
	Olof Johansson <olofj@...gle.com>,
	Sonny Rao <sonnyrao@...omium.org>,
	Addy Ke <addy.ke@...k-chips.com>, dmaengine@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org, alsa-devel@...a-project.org,
	linux-spi@...r.kernel.org, Yiwei Cai <cain.cai@...k-chips.com>,
	Jianqun Xu <xjq@...k-chips.com>,
	Olof Johansson <olof@...om.net>
Subject: Re: [PATCH v4 10/10] ASoC: rockchip_i2s: modify DMA max burst to 1

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.

> @@ -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.

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