diff options
| author | Srinivas Kandagatla <srinivas.kandagatla@linaro.org> | 2015-05-21 23:53:14 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-05-22 14:27:06 +0200 |
| commit | 4f629e4b8705fb02e9618ca257fb077f0022921b (patch) | |
| tree | 8e3bc1795b25312f32c2fffb6bab004a905d2a42 /sound/soc/qcom/lpass.h | |
| parent | ASoC: qcom: add dma channel control offset to variant data (diff) | |
| download | linux-4f629e4b8705fb02e9618ca257fb077f0022921b.tar.xz linux-4f629e4b8705fb02e9618ca257fb077f0022921b.zip | |
ASoC: qcom: Add ability to handle interrupts per dma channel
This patch adds ablity to lpass driver to handle interrupt per dma
channel. Without this patch its not possible to use multipl ports on the
lpass.
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>
Diffstat (limited to 'sound/soc/qcom/lpass.h')
| -rw-r--r-- | sound/soc/qcom/lpass.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h index 023170a0943d..d572e7b8d590 100644 --- a/sound/soc/qcom/lpass.h +++ b/sound/soc/qcom/lpass.h @@ -23,6 +23,7 @@ #define LPASS_AHBIX_CLOCK_FREQUENCY 131072000 #define LPASS_MAX_MI2S_PORTS (8) +#define LPASS_MAX_DMA_CHANNELS (8) /* Both the CPU DAI and platform drivers will access this data */ struct lpass_data { @@ -47,6 +48,9 @@ struct lpass_data { /* SOC specific variations in the LPASS IP integration */ struct lpass_variant *variant; + + /* used it for handling interrupt per dma channel */ + struct snd_pcm_substream *substream[LPASS_MAX_DMA_CHANNELS]; }; /* Vairant data per each SOC */ |