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[01/16] ASoC: Intel: avs: Only create SSP%d snd_soc_dai_driver when requested

Message ID 20231011121703.363652-2-amadeuszx.slawinski@linux.intel.com (mailing list archive)
State Superseded
Headers show
Series Harden SSP boards and add TDM support | expand

Commit Message

Amadeusz Sławiński Oct. 11, 2023, 12:16 p.m. UTC 
When using TDM configuration some other device may be using SSP%d, so
don't create snd_soc_dai_driver configuration for it unless requested
by TDM configuration.

While at it adjust tdf8532 board to explicitly describe TDM
configuration.

Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
---
 sound/soc/intel/avs/board_selection.c |  2 +-
 sound/soc/intel/avs/pcm.c             | 28 ++++++++++++++++-----------
 2 files changed, 18 insertions(+), 12 deletions(-)
diff mbox series

Patch

diff --git a/sound/soc/intel/avs/board_selection.c b/sound/soc/intel/avs/board_selection.c
index 59a13feec57b..c10fff705496 100644
--- a/sound/soc/intel/avs/board_selection.c
+++ b/sound/soc/intel/avs/board_selection.c
@@ -193,7 +193,7 @@  static struct snd_soc_acpi_mach avs_apl_i2s_machines[] = {
 		.mach_params = {
 			.i2s_link_mask = AVS_SSP_RANGE(0, 5),
 		},
-		.pdata = (unsigned long[]){ 0, 0, 0x14, 0, 0, 0 }, /* SSP2 TDMs */
+		.pdata = (unsigned long[]){ 0x1, 0x1, 0x14, 0x1, 0x1, 0x1 }, /* SSP2 TDMs */
 		.tplg_filename = "tdf8532-tplg.bin",
 	},
 	{
diff --git a/sound/soc/intel/avs/pcm.c b/sound/soc/intel/avs/pcm.c
index 5b31203bd56a..bea66e6bd438 100644
--- a/sound/soc/intel/avs/pcm.c
+++ b/sound/soc/intel/avs/pcm.c
@@ -1238,7 +1238,11 @@  int avs_i2s_platform_register(struct avs_dev *adev, const char *name, unsigned l
 	int i, j;
 
 	ssp_count = adev->hw_cfg.i2s_caps.ctrl_count;
-	cpu_count = hweight_long(port_mask);
+
+	cpu_count = 0;
+	for_each_set_bit(i, &port_mask, ssp_count)
+		if (!tdms || test_bit(0, &tdms[i]))
+			cpu_count++;
 	if (tdms)
 		for_each_set_bit(i, &port_mask, ssp_count)
 			cpu_count += hweight_long(tdms[i]);
@@ -1249,18 +1253,20 @@  int avs_i2s_platform_register(struct avs_dev *adev, const char *name, unsigned l
 
 	dai = cpus;
 	for_each_set_bit(i, &port_mask, ssp_count) {
-		memcpy(dai, &i2s_dai_template, sizeof(*dai));
+		if (!tdms || test_bit(0, &tdms[i])) {
+			memcpy(dai, &i2s_dai_template, sizeof(*dai));
 
-		dai->name =
-			devm_kasprintf(adev->dev, GFP_KERNEL, "SSP%d Pin", i);
-		dai->playback.stream_name =
-			devm_kasprintf(adev->dev, GFP_KERNEL, "ssp%d Tx", i);
-		dai->capture.stream_name =
-			devm_kasprintf(adev->dev, GFP_KERNEL, "ssp%d Rx", i);
+			dai->name =
+				devm_kasprintf(adev->dev, GFP_KERNEL, "SSP%d Pin", i);
+			dai->playback.stream_name =
+				devm_kasprintf(adev->dev, GFP_KERNEL, "ssp%d Tx", i);
+			dai->capture.stream_name =
+				devm_kasprintf(adev->dev, GFP_KERNEL, "ssp%d Rx", i);
 
-		if (!dai->name || !dai->playback.stream_name || !dai->capture.stream_name)
-			return -ENOMEM;
-		dai++;
+			if (!dai->name || !dai->playback.stream_name || !dai->capture.stream_name)
+				return -ENOMEM;
+			dai++;
+		}
 	}
 
 	if (!tdms)