ASoC: Intel: soc-acpi-intel-mtl-match: Add 6 amp CS35L56 with feedback

Add a match for 6x CS35L56, 3x on link 0 and 3x on link 1.
To support the CDB35L56-EIGHT-C board using 6 amps.

This is the same as the existing 8-amp configuration
mtl_cs35l56_x8_link0_link1_fb, but reduced to 6 amps.

Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://patch.msgid.link/20251217163227.1186373-2-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: Stefan Binding

sound/soc/intel/common/soc-acpi-intel-mtl-match.c

@@ -699,6 +699,27 @@ static const struct snd_soc_acpi_adr_device cs35l56_1_fb_adr[] = {
 	},
 };
 
+static const struct snd_soc_acpi_adr_device cs35l56_6amp_1_fb_adr[] = {
+	{
+		.adr = 0x00013701FA355601ull,
+		.num_endpoints = ARRAY_SIZE(cs35l56_r_fb_endpoints),
+		.endpoints = cs35l56_r_fb_endpoints,
+		.name_prefix = "AMP6"
+	},
+	{
+		.adr = 0x00013601FA355601ull,
+		.num_endpoints = ARRAY_SIZE(cs35l56_3_fb_endpoints),
+		.endpoints = cs35l56_3_fb_endpoints,
+		.name_prefix = "AMP5"
+	},
+	{
+		.adr = 0x00013501FA355601ull,
+		.num_endpoints = ARRAY_SIZE(cs35l56_5_fb_endpoints),
+		.endpoints = cs35l56_5_fb_endpoints,
+		.name_prefix = "AMP4"
+	},
+};
+
 static const struct snd_soc_acpi_adr_device cs35l56_2_r_adr[] = {
 	{
 		.adr = 0x00023201FA355601ull,
@@ -1069,6 +1090,21 @@ static const struct snd_soc_acpi_link_adr mtl_cs35l56_x8_link0_link1_fb[] = {
 	{}
 };
 
+static const struct snd_soc_acpi_link_adr mtl_cs35l56_x6_link0_link1_fb[] = {
+	{
+		.mask = BIT(1),
+		.num_adr = ARRAY_SIZE(cs35l56_6amp_1_fb_adr),
+		.adr_d = cs35l56_6amp_1_fb_adr,
+	},
+	{
+		.mask = BIT(0),
+		/* First 3 amps in cs35l56_0_fb_adr */
+		.num_adr = 3,
+		.adr_d = cs35l56_0_fb_adr,
+	},
+	{}
+};
+
 static const struct snd_soc_acpi_link_adr mtl_cs35l63_x2_link1_link3_fb[] = {
 	{
 		.mask = BIT(3),
@@ -1189,6 +1225,12 @@ struct snd_soc_acpi_mach snd_soc_acpi_intel_mtl_sdw_machines[] = {
 		.sof_tplg_filename = "sof-mtl-cs35l56-l01-fb8.tplg",
 		.get_function_tplg_files = sof_sdw_get_tplg_files,
 	},
+	{
+		.link_mask = BIT(0) | BIT(1),
+		.links = mtl_cs35l56_x6_link0_link1_fb,
+		.drv_name = "sof_sdw",
+		.sof_tplg_filename = "sof-mtl-cs35l56-l01-fb6.tplg"
+	},
 	{
 		.link_mask = BIT(0),
 		.links = mtl_cs42l43_l0,