sound: Use conftest to find if snd_soc_xxx() present

In Linux 6.7, with change
commit 1d5a2b5dd0a8d2b2 ("ASoC: soc.h: convert asoc_xxx() to snd_soc_xxx()")
asoc_xxx() calls are replaced by snd_soc_xxx() calls.

Use conftest to findout this change.

Bug 4346767

Change-Id: I8cd5ac5a5befa83c139dbf8f6253840a97c1d4be
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3028577
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>

scripts/conftest/Makefile

@@ -131,6 +131,7 @@ NV_CONFTEST_FUNCTION_COMPILE_TESTS += snd_soc_card_jack_new_has_no_snd_soc_jack_
 NV_CONFTEST_FUNCTION_COMPILE_TESTS += snd_soc_component_driver_struct_has_non_legacy_dai_naming
 NV_CONFTEST_FUNCTION_COMPILE_TESTS += snd_soc_dai_link_struct_has_c2c_params_arg
 NV_CONFTEST_FUNCTION_COMPILE_TESTS += snd_soc_of_get_dai_name_has_index_arg
+NV_CONFTEST_FUNCTION_COMPILE_TESTS += snd_soc_rtd_to_codec
 NV_CONFTEST_FUNCTION_COMPILE_TESTS += tc_taprio_qopt_offload_struct_has_cmd
 NV_CONFTEST_FUNCTION_COMPILE_TESTS += tegra_dev_iommu_get_stream_id
 NV_CONFTEST_FUNCTION_COMPILE_TESTS += tegra_ivc_struct_has_iosys_map

scripts/conftest/conftest.sh

@@ -7133,6 +7133,22 @@ compile_test() {
             compile_check_conftest "$CODE" "NV_SND_SOC_OF_GET_DAI_NAME_HAS_INDEX_ARG" "" "types"
         ;;
 
+        snd_soc_rtd_to_codec)
+            #
+            # Determine if the snd_soc_rtd_to_codec() present or not
+            #
+            # In Linux v6.7, commit 1d5a2b5dd0a8d2 ("ASoC: soc.h: convert asoc_xxx()
+            # to snd_soc_xxx()") to replace all asoc_xxx() to snd_soc_xxx().
+            #
+            CODE="
+            #include <sound/soc.h>
+            void conftest_snd_soc_rtd_to_codec(void) {
+                snd_soc_rtd_to_codec();
+            }"
+
+            compile_check_conftest "$CODE" "NV_SND_SOC_RTD_TO_CODEC_PRESENT" "" "functions"
+        ;;
+
         tc_taprio_qopt_offload_struct_has_cmd)
             #
             # Determine if struct tc_taprio_qopt_offload has a member named cmd

sound/soc/tegra-virt-alt/tegra_pcm_virt_alt.c

@@ -3,6 +3,8 @@
  * Copyright (c) 2021-2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
  */
 
+#include <nvidia/conftest.h>
+
 #include <linux/dma-mapping.h>
 #include <linux/module.h>
 #include <linux/version.h>
@@ -37,7 +39,7 @@ static int tegra_alt_pcm_open(struct snd_soc_component *component,
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct tegra_alt_pcm_dma_params *dmap;
 	struct dma_chan *chan;
-#if defined(NV_ASOC_XXX_DROP)
+#if defined(NV_SND_SOC_RTD_TO_CODEC_PRESENT) /* Linux 6.7*/
 	struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
 #else
 	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
@@ -47,7 +49,7 @@ static int tegra_alt_pcm_open(struct snd_soc_component *component,
 	if (rtd->dai_link->no_pcm)
 		return 0;
 
-#if defined(NV_ASOC_XXX_DROP)
+#if defined(NV_SND_SOC_RTD_TO_CODEC_PRESENT) /* Linux 6.7*/
 	dmap = snd_soc_dai_get_dma_data(snd_soc_rtd_to_cpu(rtd, 0), substream);
 #else
 	dmap = snd_soc_dai_get_dma_data(asoc_rtd_to_cpu(rtd, 0), substream);
@@ -114,7 +116,7 @@ static int tegra_alt_pcm_hw_params(struct snd_soc_component *component,
 	if (rtd->dai_link->no_pcm)
 		return 0;
 
-#if defined(NV_ASOC_XXX_DROP)
+#if defined(NV_SND_SOC_RTD_TO_CODEC_PRESENT) /* Linux 6.7*/
 	dmap = snd_soc_dai_get_dma_data(snd_soc_rtd_to_cpu(rtd, 0), substream);
 #else
 	dmap = snd_soc_dai_get_dma_data(asoc_rtd_to_cpu(rtd, 0), substream);
@@ -261,7 +263,7 @@ static int tegra_alt_pcm_dma_allocate(struct snd_soc_pcm_runtime *rtd,
 	if (ret)
 		return ret;
 
-#if defined(NV_ASOC_XXX_DROP)
+#if defined(NV_SND_SOC_RTD_TO_CODEC_PRESENT) /* Linux 6.7*/
 	dmap = snd_soc_dai_get_dma_data(snd_soc_rtd_to_cpu(rtd, 0),
 			pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream);
 #else
@@ -278,7 +280,7 @@ static int tegra_alt_pcm_dma_allocate(struct snd_soc_pcm_runtime *rtd,
 			goto err;
 	}
 
-#if defined(NV_ASOC_XXX_DROP)
+#if defined(NV_SND_SOC_RTD_TO_CODEC_PRESENT) /* Linux 6.7*/
 	dmap = snd_soc_dai_get_dma_data(snd_soc_rtd_to_cpu(rtd, 0),
 			pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
 #else

sound/soc/tegra-virt-alt/tegra_virt_ref_alt.c

@@ -203,7 +203,7 @@ static int tegra_virt_machine_driver_probe(struct platform_device *pdev)
 	}
 
 	list_for_each_entry(rtd, &card->rtd_list, list) {
-#if defined(NV_ASOC_XXX_DROP)
+#if defined(NV_SND_SOC_RTD_TO_CODEC_PRESENT) /* Linux 6.7*/
 		struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
 		struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
 #else