[alsa-devel] [PATCH v2 1/5] dmaengine: mmp_tdma: add mmp tdma support

[Vinod Koul]

On Mon, 2012-06-11 at 18:04 +0800, Zhangfei Gao wrote:
> +static int mmp_tdma_clear_chan_irq(struct mmp_tdma_chan *tdmac)
> +{
> +       u32 reg = readl(tdmac->reg_base + TDISR);
> +
> +       if (reg & TDISR_COMP) {
> +               /* clear irq */
> +               reg &= ~TDISR_COMP;
> +               writel(reg, tdmac->reg_base + TDISR);
> +
> +               return 0;
> +       }
> +       return -1;
> +} 
-1?
Please return a proper linux error code.


-- 
~Vinod

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