Commit 73c847b6 authored by Srinivas Kandagatla's avatar Srinivas Kandagatla Committed by Mark Brown
Browse files

ASoC: qcom: pass direction to dma allocation 



This patch updates the internal dma allocation callbacks to take the
stream direction so that it can allocate channels suitable for that
stream direction. Before the capture support this was not necessary.

Signed-off-by: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Acked-by: default avatarKenneth Westfield <kwestfie@codeaurora.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent ec5b8287

sound/soc/qcom/lpass-apq8016.c

+2 −1
Original line number Diff line number Diff line
@@ -133,7 +133,8 @@ static struct snd_soc_dai_driver apq8016_lpass_cpu_dai_driver[] = { 
	},

};



static int apq8016_lpass_alloc_dma_channel(struct lpass_data *drvdata)

static int apq8016_lpass_alloc_dma_channel(struct lpass_data *drvdata,

					   int direction)

{

	struct lpass_variant *v = drvdata->variant;

	int chan = find_first_zero_bit(&drvdata->rdma_ch_bit_map,

sound/soc/qcom/lpass-ipq806x.c

+1 −1
Original line number Diff line number Diff line
@@ -63,7 +63,7 @@ static struct snd_soc_dai_driver ipq806x_lpass_cpu_dai_driver = { 
	.ops    = &asoc_qcom_lpass_cpu_dai_ops,

};



static int ipq806x_lpass_alloc_dma_channel(struct lpass_data *drvdata)

static int ipq806x_lpass_alloc_dma_channel(struct lpass_data *drvdata, int dir)

{

	return IPQ806X_LPAIF_RDMA_CHAN_MI2S;

}

sound/soc/qcom/lpass-platform.c

+2 −1
Original line number Diff line number Diff line
@@ -457,7 +457,8 @@ static int lpass_platform_pcm_new(struct snd_soc_pcm_runtime *soc_runtime) 
		return -ENOMEM;



	if (v->alloc_dma_channel)

		data->rdma_ch = v->alloc_dma_channel(drvdata);

		data->rdma_ch = v->alloc_dma_channel(drvdata,

						SNDRV_PCM_STREAM_PLAYBACK);



	if (IS_ERR_VALUE(data->rdma_ch))

		return data->rdma_ch;

sound/soc/qcom/lpass.h

+1 −1
Original line number Diff line number Diff line
@@ -84,7 +84,7 @@ struct lpass_variant { 
	/* SOC specific intialization like clocks */

	int (*init)(struct platform_device *pdev);

	int (*exit)(struct platform_device *pdev);

	int (*alloc_dma_channel)(struct lpass_data *data);

	int (*alloc_dma_channel)(struct lpass_data *data, int direction);

	int (*free_dma_channel)(struct lpass_data *data, int ch);



	/* SOC specific dais */

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