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[RFC,10/14] ASoC: qcom: add bit map to track static dma channel allocations

Message ID 1430414270-11300-1-git-send-email-srinivas.kandagatla@linaro.org
State Superseded
Headers show

Commit Message

Srinivas Kandagatla April 30, 2015, 5:17 p.m. UTC 
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.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
 sound/soc/qcom/lpass.h | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h
index c3016fe..82708d1 100644
--- a/sound/soc/qcom/lpass.h
+++ b/sound/soc/qcom/lpass.h
@@ -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];
 };