[PATCH 3/6] ASoC: qdsp6: q6afe-dai: use q6afe_dai_prepare() for MI2S

Srinivas Kandagatla
2018-05-29T10:18:30Z

Use common q6afe_dai_prepare() for MI2S dais, this will remove
some code duplication. Also make the if statement to switch to
make the code look neater.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
sound/soc/qcom/qdsp6/q6afe-dai.c | 53 ++++++++++++++--------------------------
1 file changed, 18 insertions(+), 35 deletions(-)

diff --git a/sound/soc/qcom/qdsp6/q6afe-dai.c b/sound/soc/qcom/qdsp6/q6afe-dai.c
index 4378e29a95c5..e529edfd8001 100644
--- a/sound/soc/qcom/qdsp6/q6afe-dai.c
+++ b/sound/soc/qcom/qdsp6/q6afe-dai.c
@@ -144,38 +144,6 @@ static void q6afe_dai_shutdown(struct snd_pcm_substream *substream,

}

-static int q6afe_mi2s_prepare(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- struct q6afe_dai_data *dai_data = dev_get_drvdata(dai->dev);
- int rc;
-
- if (dai_data->is_port_started[dai->id]) {
- /* stop the port and restart with new port config */
- rc = q6afe_port_stop(dai_data->port[dai->id]);
- if (rc < 0) {
- dev_err(dai->dev, "fail to close AFE port (%d)\n", rc);
- return rc;
- }
- }
-
- rc = q6afe_i2s_port_prepare(dai_data->port[dai->id],
- &dai_data->port_config[dai->id].i2s_cfg);
- if (rc < 0) {
- dev_err(dai->dev, "fail to prepare AFE port %x\n", dai->id);
- return rc;
- }
-
- rc = q6afe_port_start(dai_data->port[dai->id]);
- if (rc < 0) {
- dev_err(dai->dev, "fail to start AFE port %x\n", dai->id);
- return rc;
- }
- dai_data->is_port_started[dai->id] = true;
-
- return 0;
-}
-
static int q6afe_dai_prepare(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
@@ -191,12 +159,27 @@ static int q6afe_dai_prepare(struct snd_pcm_substream *substream,
}
}

- if (dai->id == HDMI_RX)
+ switch (dai->id) {
+ case HDMI_RX:
q6afe_hdmi_port_prepare(dai_data->port[dai->id],
&dai_data->port_config[dai->id].hdmi);
- else if (dai->id >= SLIMBUS_0_RX && dai->id <= SLIMBUS_6_TX)
+ break;
+ case SLIMBUS_0_RX ... SLIMBUS_6_TX:
q6afe_slim_port_prepare(dai_data->port[dai->id],
&dai_data->port_config[dai->id].slim);
+ break;
+ case PRIMARY_MI2S_RX ... QUATERNARY_MI2S_TX:
+ rc = q6afe_i2s_port_prepare(dai_data->port[dai->id],
+ &dai_data->port_config[dai->id].i2s_cfg);
+ if (rc < 0) {
+ dev_err(dai->dev, "fail to prepare AFE port %x\n",
+ dai->id);
+ return rc;
+ }
+ break;
+ default:
+ return -EINVAL;
+ }

rc = q6afe_port_start(dai_data->port[dai->id]);
if (rc < 0) {
@@ -289,7 +272,7 @@ static struct snd_soc_dai_ops q6hdmi_ops = {
};

static struct snd_soc_dai_ops q6i2s_ops = {
- .prepare = q6afe_mi2s_prepare,
+ .prepare = q6afe_dai_prepare,
.hw_params = q6i2s_hw_params,
.set_fmt = q6i2s_set_fmt,
.shutdown = q6afe_dai_shutdown,
--
2.16.2