ASoC: Intel: sof_sdw: use common helpers for all Realtek amps

sof_sdw_rt1308.c/sof_sdw_rt1316.c/sof_sdw_rt1318.c handle amp
in basically the same way, optimized and merged into one file.

    Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
    Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
    Signed-off-by: Gongjun Song <gongjun.song@intel.com>
    Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
    Link: https://lore.kernel.org/r/20221206212507.359993-3-pierre-louis.bossart@linux.intel.com
    Signed-off-by: Mark Brown <broonie@kernel.org>

Author: Gongjun Song <gongjun.song@intel.com>
Date: Tue Dec 6 15:25:06 2022 -0600

Signed-off-by: Jaroslav Kysela <jkysela@redhat.com>
(cherry picked from commit 5c10da4)
Bugzilla: https://bugzilla.redhat.com/2140419

Author: jkysela-rh

sound/soc/intel/boards/Makefile

@@ -37,8 +37,7 @@ snd-soc-sof_da7219_max98373-objs := sof_da7219_max98373.o
 snd-soc-ehl-rt5660-objs := ehl_rt5660.o
 snd-soc-sof-ssp-amp-objs := sof_ssp_amp.o
 snd-soc-sof-sdw-objs += sof_sdw.o				\
-			sof_sdw_max98373.o sof_sdw_rt1308.o	\
-			sof_sdw_rt1316.o sof_sdw_rt1318.o	\
+			sof_sdw_max98373.o sof_sdw_rt_amp.o	\
 			sof_sdw_rt5682.o sof_sdw_rt700.o	\
 			sof_sdw_rt711.o sof_sdw_rt711_sdca.o 	\
 			sof_sdw_rt715.o	sof_sdw_rt715_sdca.o 	\

sound/soc/intel/boards/sof_sdw.c

@@ -550,23 +550,23 @@ static struct sof_sdw_codec_info codec_info_list[] = {
 		.direction = {true, false},
 		.dai_name = "rt1308-aif",
 		.ops = &sof_sdw_rt1308_i2s_ops,
-		.init = sof_sdw_rt1308_init,
-		.exit = sof_sdw_rt1308_exit,
+		.init = sof_sdw_rt_amp_init,
+		.exit = sof_sdw_rt_amp_exit,
 		.codec_type = SOF_SDW_CODEC_TYPE_AMP,
 	},
 	{
 		.part_id = 0x1316,
 		.direction = {true, true},
 		.dai_name = "rt1316-aif",
-		.init = sof_sdw_rt1316_init,
-		.exit = sof_sdw_rt1316_exit,
+		.init = sof_sdw_rt_amp_init,
+		.exit = sof_sdw_rt_amp_exit,
 		.codec_type = SOF_SDW_CODEC_TYPE_AMP,
 	},
 	{
 		.part_id = 0x1318,
 		.direction = {true, true},
 		.dai_name = "rt1318-aif",
-		.init = sof_sdw_rt1318_init,
+		.init = sof_sdw_rt_amp_init,
 		.codec_type = SOF_SDW_CODEC_TYPE_AMP,
 	},
 	{

sound/soc/intel/boards/sof_sdw_common.h

@@ -125,30 +125,18 @@ int sof_sdw_rt700_init(struct snd_soc_card *card,
 		       struct sof_sdw_codec_info *info,
 		       bool playback);
 
-/* RT1308 support */
+/* RT1308 I2S support */
 extern struct snd_soc_ops sof_sdw_rt1308_i2s_ops;
 
-int sof_sdw_rt1308_init(struct snd_soc_card *card,
+/* generic amp support */
+int sof_sdw_rt_amp_init(struct snd_soc_card *card,
 			const struct snd_soc_acpi_link_adr *link,
 			struct snd_soc_dai_link *dai_links,
 			struct sof_sdw_codec_info *info,
 			bool playback);
-int sof_sdw_rt1308_exit(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link);
+int sof_sdw_rt_amp_exit(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link);
 
 /* RT1316 support */
-int sof_sdw_rt1316_init(struct snd_soc_card *card,
-			const struct snd_soc_acpi_link_adr *link,
-			struct snd_soc_dai_link *dai_links,
-			struct sof_sdw_codec_info *info,
-			bool playback);
-int sof_sdw_rt1316_exit(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link);
-
-/* RT1318 support */
-int sof_sdw_rt1318_init(struct snd_soc_card *card,
-			const struct snd_soc_acpi_link_adr *link,
-			struct snd_soc_dai_link *dai_links,
-			struct sof_sdw_codec_info *info,
-			bool playback);
 
 /* RT715 support */
 int sof_sdw_rt715_init(struct snd_soc_card *card,