Thanks Krzystof for the patch.
On 07/05/2024 11:27, Krzysztof Kozlowski wrote:
X1E80100 CRD board comes with four speakers arranged as left front+back
and then right front+back. Using default channel mapping causes front
right speaker to play left back stream.
Adjust the channel maps for frontend DAIs to fix stereo and four-channel
playback.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
sound/soc/qcom/x1e80100.c | 37 +++++++++++++++++++++++++++++++++++--
1 file changed, 35 insertions(+), 2 deletions(-)
diff --git a/sound/soc/qcom/x1e80100.c b/sound/soc/qcom/x1e80100.c
index c3c8bf7ffb5b..e90c68815b5c 100644
--- a/sound/soc/qcom/x1e80100.c
+++ b/sound/soc/qcom/x1e80100.c
@@ -12,6 +12,7 @@
#include "common.h"
#include "qdsp6/q6afe.h"
+#include "qdsp6/q6dsp-common.h"
#include "sdw.h"
struct x1e80100_snd_data {
@@ -74,7 +75,7 @@ static int x1e80100_snd_hw_params(struct snd_pcm_substream *substream,
return qcom_snd_sdw_hw_params(substream, params, &data->sruntime[cpu_dai->id]);
}
-static int x1e80100_snd_prepare(struct snd_pcm_substream *substream)
+static int x1e80100_snd_be_prepare(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
@@ -96,12 +97,34 @@ static int x1e80100_snd_hw_free(struct snd_pcm_substream *substream)
&data->stream_prepared[cpu_dai->id]);
}
+static int x1e80100_snd_fe_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+ struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ const unsigned int rx_slot[4] = { PCM_CHANNEL_FL,
+ PCM_CHANNEL_LB,
+ PCM_CHANNEL_FR,
+ PCM_CHANNEL_RB };
+
+ snd_soc_dai_set_channel_map(cpu_dai, 0, NULL, ARRAY_SIZE(rx_slot),
+ rx_slot);
Channel mapping are specific to backend dais rather than front end pcm dais.
This will set all the playback pcms with this channel maps, which is a
problem.
example the 2 channel headset we will endup with data of front channel
and zeros on the right channel, however a speaker might work as you have
4 speakers in your system.
So No for this approach.
--srini
+ }
+
+ return 0;
+}
+
static const struct snd_soc_ops x1e80100_be_ops = {
.startup = qcom_snd_sdw_startup,
.shutdown = x1e80100_snd_shutdown,
.hw_params = x1e80100_snd_hw_params,
.hw_free = x1e80100_snd_hw_free,
- .prepare = x1e80100_snd_prepare,
+ .prepare = x1e80100_snd_be_prepare,
+};
+
+static const struct snd_soc_ops x1e80100_fe_ops = {
+ .prepare = x1e80100_snd_fe_prepare,
};
static void x1e80100_add_be_ops(struct snd_soc_card *card)
@@ -118,6 +141,15 @@ static void x1e80100_add_be_ops(struct snd_soc_card *card)
}
}
+static int x1e80100_add_dai_link(struct snd_soc_card *card, struct snd_soc_dai_link *link)
+{
+ /* Add ops for Frontend DAIs coming from Topology */
+ if (link->dynamic && !link->no_pcm && !link->ops)
+ link->ops = &x1e80100_fe_ops;
+
+ return 0;
+}
+
static int x1e80100_platform_probe(struct platform_device *pdev)
{
struct snd_soc_card *card;
@@ -135,6 +167,7 @@ static int x1e80100_platform_probe(struct platform_device *pdev)
card->owner = THIS_MODULE;
card->dev = dev;
+ card->add_dai_link = x1e80100_add_dai_link;
dev_set_drvdata(dev, card);
snd_soc_card_set_drvdata(card, data);
