ASoC: tegra: set reg_default_cb callback

Set reg_default_cb so REGCACHE_FLAT can supply zero defaults without
large reg_defaults tables, simplifying cache initialization for
zero-reset registers.

Signed-off-by: Sheetal <sheetal@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://patch.msgid.link/20260123095346.1258556-4-sheetal@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/tegra/tegra186_asrc.c

@@ -950,6 +950,7 @@ static const struct regmap_config tegra186_asrc_regmap_config = {
 	.volatile_reg		= tegra186_asrc_volatile_reg,
 	.reg_defaults		= tegra186_asrc_reg_defaults,
 	.num_reg_defaults	= ARRAY_SIZE(tegra186_asrc_reg_defaults),
+	.reg_default_cb		= regmap_default_zero_cb,
 	.cache_type		= REGCACHE_FLAT,
 };
 

sound/soc/tegra/tegra186_dspk.c

@@ -467,6 +467,7 @@ static const struct regmap_config tegra186_dspk_regmap = {
 	.volatile_reg		= tegra186_dspk_volatile_reg,
 	.reg_defaults		= tegra186_dspk_reg_defaults,
 	.num_reg_defaults	= ARRAY_SIZE(tegra186_dspk_reg_defaults),
+	.reg_default_cb		= regmap_default_zero_cb,
 	.cache_type		= REGCACHE_FLAT,
 };
 

sound/soc/tegra/tegra210_admaif.c

@@ -241,6 +241,7 @@ static const struct regmap_config tegra210_admaif_regmap_config = {
 	.volatile_reg		= tegra_admaif_volatile_reg,
 	.reg_defaults		= tegra210_admaif_reg_defaults,
 	.num_reg_defaults	= TEGRA210_ADMAIF_CHANNEL_COUNT * 6 + 1,
+	.reg_default_cb		= regmap_default_zero_cb,
 	.cache_type		= REGCACHE_FLAT,
 };
 
@@ -254,6 +255,7 @@ static const struct regmap_config tegra186_admaif_regmap_config = {
 	.volatile_reg		= tegra_admaif_volatile_reg,
 	.reg_defaults		= tegra186_admaif_reg_defaults,
 	.num_reg_defaults	= TEGRA186_ADMAIF_CHANNEL_COUNT * 6 + 1,
+	.reg_default_cb		= regmap_default_zero_cb,
 	.cache_type		= REGCACHE_FLAT,
 };
 
@@ -267,6 +269,7 @@ static const struct regmap_config tegra264_admaif_regmap_config = {
 	.volatile_reg		= tegra_admaif_volatile_reg,
 	.reg_defaults		= tegra264_admaif_reg_defaults,
 	.num_reg_defaults	= TEGRA264_ADMAIF_CHANNEL_COUNT * 6 + 1,
+	.reg_default_cb		= regmap_default_zero_cb,
 	.cache_type		= REGCACHE_FLAT,
 };
 

sound/soc/tegra/tegra210_adx.c

@@ -625,6 +625,7 @@ static const struct regmap_config tegra210_adx_regmap_config = {
 	.volatile_reg		= tegra210_adx_volatile_reg,
 	.reg_defaults		= tegra210_adx_reg_defaults,
 	.num_reg_defaults	= ARRAY_SIZE(tegra210_adx_reg_defaults),
+	.reg_default_cb		= regmap_default_zero_cb,
 	.cache_type		= REGCACHE_FLAT,
 };
 
@@ -638,6 +639,7 @@ static const struct regmap_config tegra264_adx_regmap_config = {
 	.volatile_reg		= tegra264_adx_volatile_reg,
 	.reg_defaults		= tegra264_adx_reg_defaults,
 	.num_reg_defaults	= ARRAY_SIZE(tegra264_adx_reg_defaults),
+	.reg_default_cb		= regmap_default_zero_cb,
 	.cache_type		= REGCACHE_FLAT,
 };
 

sound/soc/tegra/tegra210_ahub.c

@@ -2133,6 +2133,7 @@ static const struct regmap_config tegra210_ahub_regmap_config = {
 	.reg_stride		= 4,
 	.writeable_reg		= tegra210_ahub_wr_reg,
 	.max_register		= TEGRA210_MAX_REGISTER_ADDR,
+	.reg_default_cb		= regmap_default_zero_cb,
 	.cache_type		= REGCACHE_FLAT,
 };
 
@@ -2142,6 +2143,7 @@ static const struct regmap_config tegra186_ahub_regmap_config = {
 	.reg_stride		= 4,
 	.writeable_reg		= tegra186_ahub_wr_reg,
 	.max_register		= TEGRA186_MAX_REGISTER_ADDR,
+	.reg_default_cb		= regmap_default_zero_cb,
 	.cache_type		= REGCACHE_FLAT,
 };
 
@@ -2151,6 +2153,7 @@ static const struct regmap_config tegra264_ahub_regmap_config = {
 	.reg_stride		= 4,
 	.writeable_reg		= tegra264_ahub_wr_reg,
 	.max_register		= TEGRA264_MAX_REGISTER_ADDR,
+	.reg_default_cb		= regmap_default_zero_cb,
 	.cache_type		= REGCACHE_FLAT,
 };
 

sound/soc/tegra/tegra210_amx.c

@@ -654,6 +654,7 @@ static const struct regmap_config tegra210_amx_regmap_config = {
 	.volatile_reg		= tegra210_amx_volatile_reg,
 	.reg_defaults		= tegra210_amx_reg_defaults,
 	.num_reg_defaults	= ARRAY_SIZE(tegra210_amx_reg_defaults),
+	.reg_default_cb		= regmap_default_zero_cb,
 	.cache_type		= REGCACHE_FLAT,
 };
 
@@ -667,6 +668,7 @@ static const struct regmap_config tegra194_amx_regmap_config = {
 	.volatile_reg		= tegra210_amx_volatile_reg,
 	.reg_defaults		= tegra210_amx_reg_defaults,
 	.num_reg_defaults	= ARRAY_SIZE(tegra210_amx_reg_defaults),
+	.reg_default_cb		= regmap_default_zero_cb,
 	.cache_type		= REGCACHE_FLAT,
 };
 
@@ -680,6 +682,7 @@ static const struct regmap_config tegra264_amx_regmap_config = {
 	.volatile_reg		= tegra264_amx_volatile_reg,
 	.reg_defaults		= tegra264_amx_reg_defaults,
 	.num_reg_defaults	= ARRAY_SIZE(tegra264_amx_reg_defaults),
+	.reg_default_cb		= regmap_default_zero_cb,
 	.cache_type		= REGCACHE_FLAT,
 };
 

sound/soc/tegra/tegra210_dmic.c

@@ -483,6 +483,7 @@ static const struct regmap_config tegra210_dmic_regmap_config = {
 	.volatile_reg = tegra210_dmic_volatile_reg,
 	.reg_defaults = tegra210_dmic_reg_defaults,
 	.num_reg_defaults = ARRAY_SIZE(tegra210_dmic_reg_defaults),
+	.reg_default_cb		= regmap_default_zero_cb,
 	.cache_type = REGCACHE_FLAT,
 };
 

sound/soc/tegra/tegra210_i2s.c

@@ -997,6 +997,7 @@ static const struct regmap_config tegra210_regmap_conf = {
 	.volatile_reg		= tegra210_i2s_volatile_reg,
 	.reg_defaults		= tegra210_i2s_reg_defaults,
 	.num_reg_defaults	= ARRAY_SIZE(tegra210_i2s_reg_defaults),
+	.reg_default_cb		= regmap_default_zero_cb,
 	.cache_type		= REGCACHE_FLAT,
 };
 
@@ -1044,6 +1045,7 @@ static const struct regmap_config tegra264_regmap_conf = {
 	.volatile_reg		= tegra264_i2s_volatile_reg,
 	.reg_defaults		= tegra264_i2s_reg_defaults,
 	.num_reg_defaults	= ARRAY_SIZE(tegra264_i2s_reg_defaults),
+	.reg_default_cb		= regmap_default_zero_cb,
 	.cache_type		= REGCACHE_FLAT,
 };
 

sound/soc/tegra/tegra210_mbdrc.c

@@ -763,6 +763,7 @@ static const struct regmap_config tegra210_mbdrc_regmap_cfg = {
 	.precious_reg		= tegra210_mbdrc_precious_reg,
 	.reg_defaults		= tegra210_mbdrc_reg_defaults,
 	.num_reg_defaults	= ARRAY_SIZE(tegra210_mbdrc_reg_defaults),
+	.reg_default_cb		= regmap_default_zero_cb,
 	.cache_type		= REGCACHE_FLAT,
 };
 

sound/soc/tegra/tegra210_mixer.c

@@ -608,6 +608,7 @@ static const struct regmap_config tegra210_mixer_regmap_config = {
 	.precious_reg		= tegra210_mixer_precious_reg,
 	.reg_defaults		= tegra210_mixer_reg_defaults,
 	.num_reg_defaults	= ARRAY_SIZE(tegra210_mixer_reg_defaults),
+	.reg_default_cb		= regmap_default_zero_cb,
 	.cache_type		= REGCACHE_FLAT,
 };
 

sound/soc/tegra/tegra210_mvc.c

@@ -699,6 +699,7 @@ static const struct regmap_config tegra210_mvc_regmap_config = {
 	.volatile_reg		= tegra210_mvc_volatile_reg,
 	.reg_defaults		= tegra210_mvc_reg_defaults,
 	.num_reg_defaults	= ARRAY_SIZE(tegra210_mvc_reg_defaults),
+	.reg_default_cb		= regmap_default_zero_cb,
 	.cache_type		= REGCACHE_FLAT,
 };
 

sound/soc/tegra/tegra210_ope.c

@@ -297,6 +297,7 @@ static const struct regmap_config tegra210_ope_regmap_config = {
 	.volatile_reg		= tegra210_ope_volatile_reg,
 	.reg_defaults		= tegra210_ope_reg_defaults,
 	.num_reg_defaults	= ARRAY_SIZE(tegra210_ope_reg_defaults),
+	.reg_default_cb		= regmap_default_zero_cb,
 	.cache_type		= REGCACHE_FLAT,
 };
 

sound/soc/tegra/tegra210_peq.c

@@ -306,6 +306,7 @@ static const struct regmap_config tegra210_peq_regmap_config = {
 	.precious_reg		= tegra210_peq_precious_reg,
 	.reg_defaults		= tegra210_peq_reg_defaults,
 	.num_reg_defaults	= ARRAY_SIZE(tegra210_peq_reg_defaults),
+	.reg_default_cb		= regmap_default_zero_cb,
 	.cache_type		= REGCACHE_FLAT,
 };
 

sound/soc/tegra/tegra210_sfc.c

@@ -3569,6 +3569,7 @@ static const struct regmap_config tegra210_sfc_regmap_config = {
 	.precious_reg		= tegra210_sfc_precious_reg,
 	.reg_defaults		= tegra210_sfc_reg_defaults,
 	.num_reg_defaults	= ARRAY_SIZE(tegra210_sfc_reg_defaults),
+	.reg_default_cb		= regmap_default_zero_cb,
 	.cache_type		= REGCACHE_FLAT,
 };