From 39ec6f992131f0e88910700286d83f5f48f4ee8f Mon Sep 17 00:00:00 2001
From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Date: Tue, 17 Mar 2020 09:26:45 +0000
Subject: [PATCH] soundwire: qcom: add support for get_sdw_stream()
Git-commit: 39ec6f992131f0e88910700286d83f5f48f4ee8f
Patch-mainline: v5.7-rc1
References: jsc#SLE-16518

Adding support to new get_sdw_stream() that can help machine
driver to deal with soundwire stream.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20200317092645.5705-1-srinivas.kandagatla@linaro.org
[fix checkpatch error for "void * qcom_swrm_get_sdw_stream"]

Signed-off-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/soundwire/qcom.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
index 1c6c6a2e0def..1ab3ec799c23 100644
--- a/drivers/soundwire/qcom.c
+++ b/drivers/soundwire/qcom.c
@@ -588,6 +588,13 @@ static int qcom_swrm_set_sdw_stream(struct snd_soc_dai *dai,
 	return 0;
 }
 
+static void *qcom_swrm_get_sdw_stream(struct snd_soc_dai *dai, int direction)
+{
+	struct qcom_swrm_ctrl *ctrl = dev_get_drvdata(dai->dev);
+
+	return ctrl->sruntime[dai->id];
+}
+
 static int qcom_swrm_startup(struct snd_pcm_substream *substream,
 			     struct snd_soc_dai *dai)
 {
@@ -631,6 +638,7 @@ static const struct snd_soc_dai_ops qcom_swrm_pdm_dai_ops = {
 	.startup = qcom_swrm_startup,
 	.shutdown = qcom_swrm_shutdown,
 	.set_sdw_stream = qcom_swrm_set_sdw_stream,
+	.get_sdw_stream = qcom_swrm_get_sdw_stream,
 };
 
 static const struct snd_soc_component_driver qcom_swrm_dai_component = {
-- 
2.16.4