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ASoC: qcom: add bit map to track static dma channel allocations

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This patch adds dma channel bit mask to lpass data to keep track of dma
channel allocations. This flag would be used in apq8016 lpass driver.

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 22:53:21 +01:00 committed by Mark Brown
parent 4f629e4b87
commit 89cdfa06d9
1 changed files with 3 additions and 0 deletions
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3
sound/soc/qcom/lpass.h
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@ -49,6 +49,9 @@ struct lpass_data {
/* SOC specific variations in the LPASS IP integration */
struct lpass_variant *variant;
/* bit map to keep track of static channel allocations */
unsigned long rdma_ch_bit_map;
/* used it for handling interrupt per dma channel */
struct snd_pcm_substream *substream[LPASS_MAX_DMA_CHANNELS];
};