ASoC: ux500_pcm: Stop pretending that we support varying address widths
authorLee Jones <lee.jones@linaro.org>
Thu, 19 Dec 2013 15:55:02 +0000 (15:55 +0000)
committerMark Brown <broonie@linaro.org>
Tue, 7 Jan 2014 15:37:19 +0000 (15:37 +0000)
The Slave Config's addr_width attribute is populated by data_width of
dma_cfg, which in turn is derived from dma_params' data_size attribute
and that comes from the slot_width which is always 16 bits (2 Bytes).
We're cutting out the middle man here and just setting the DMA Slave
Config directly.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
sound/soc/ux500/ux500_pcm.c

index ce554de..32d4572 100644 (file)
@@ -109,20 +109,19 @@ static int ux500_pcm_prepare_slave_config(struct snd_pcm_substream *substream,
 {
        struct snd_soc_pcm_runtime *rtd = substream->private_data;
        struct ux500_msp_dma_params *dma_params;
-       struct stedma40_chan_cfg *dma_cfg;
        int ret;
 
        dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
-       dma_cfg = dma_params->dma_cfg;
 
        ret = snd_hwparams_to_dma_slave_config(substream, params, slave_config);
        if (ret)
                return ret;
 
        slave_config->dst_maxburst = 4;
-       slave_config->dst_addr_width = dma_cfg->dst_info.data_width;
        slave_config->src_maxburst = 4;
-       slave_config->src_addr_width = dma_cfg->src_info.data_width;
+
+       slave_config->src_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
+       slave_config->dst_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
 
        if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
                slave_config->dst_addr = dma_params->tx_rx_addr;