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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>
This commit is contained in:
Srinivas Kandagatla 2015-05-21 22:53:05 +01:00 committed by Mark Brown
parent 3e53ac8230
commit 0054055c59
2 changed files with 6 additions and 1 deletions
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2
sound/soc/qcom/lpass-platform.c
View File

@ -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) {

5
sound/soc/qcom/lpass.h
View File

@ -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);