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.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
---
sound/soc/qcom/lpass-platform.c | 2 +-
sound/soc/qcom/lpass.h | 6 ++++++
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c
index fc08891..8ab0ac1 100644
--- 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 301f784..e07ed52 100644
--- a/sound/soc/qcom/lpass.h
+++ b/sound/soc/qcom/lpass.h
@@ -61,6 +61,12 @@ 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;
+
/* OCR clock is not present in SOCs like APQ8016 */
bool no_osr_clk;
/* SOC specific intialization like clocks */
--
1.9.1
--
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