ASoC: qcom: add dma channel control offset to variant data

This patch adds ability to pass dma channel control bits start offset,
which differ in differnet qcom SOCs. On apq8016 dma channel control bits
start after an offset of 1.

Tested-by: Kenneth Westfield <kwestfie@codeaurora.org>
Acked-by: Kenneth Westfield <kwestfie@codeaurora.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c
index fc0889196e7ae3c54165465a340cbdd816ee0630..8ab0ac1dbedccec21747980b5bbda20e2c41b9a5 100644 (file)
--- a/sound/soc/qcom/lpass-platform.c
+++ b/sound/soc/qcom/lpass-platform.c
@@ -91,7 +91,7 @@ static int lpass_platform_pcmops_hw_params(struct snd_pcm_substream *substream,
        unsigned int channels = params_channels(params);
        unsigned int regval;
        int bitwidth;
-       int ret, rdma_port = pcm_data->i2s_port;
+       int ret, rdma_port = pcm_data->i2s_port + v->rdmactl_audif_start;
 
        bitwidth = snd_pcm_format_width(format);
        if (bitwidth < 0) {

diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h
index 75e9370cb360e046ea75112fd4bb3448f78e67f8..023170a0943da8fbc2582387b78efc01c7df8082 100644 (file)
--- a/sound/soc/qcom/lpass.h
+++ b/sound/soc/qcom/lpass.h
@@ -61,6 +61,11 @@ struct lpass_variant {
        u32     rdma_reg_stride;
        u32     rdma_channels;
 
+       /**
+        * on SOCs like APQ8016 the channel control bits start
+        * at different offset to ipq806x
+        **/
+       u32     rdmactl_audif_start;
        /* SOC specific intialization like clocks */
        int (*init)(struct platform_device *pdev);
        int (*exit)(struct platform_device *pdev);