ASoC: SDCA: Add companion amp Function

Add companion amp into the list of allowed SDCA Functions. More work
will be required to fully support companion amp, but this will let parts
including companion amp functions boot and it is a good first step to
proper support.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Tested-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://patch.msgid.link/20251111140617.2997454-1-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/include/sound/sdca_function.h b/include/sound/sdca_function.h
index 99cb978..c978615 100644 (file)
--- a/include/sound/sdca_function.h
+++ b/include/sound/sdca_function.h
@@ -64,6 +64,7 @@ struct sdca_function_desc;
  * @SDCA_FUNCTION_TYPE_RJ: Retaskable jack.
  * @SDCA_FUNCTION_TYPE_SIMPLE_JACK: Subset of UAJ.
  * @SDCA_FUNCTION_TYPE_HID: Human Interface Device, for e.g. buttons.
+ * @SDCA_FUNCTION_TYPE_COMPANION_AMP: Sources audio from another amp.
  * @SDCA_FUNCTION_TYPE_IMP_DEF: Implementation-defined function.
  *
  * SDCA Function Types from SDCA specification v1.0a Section 5.1.2
@@ -83,6 +84,7 @@ enum sdca_function_type {
        SDCA_FUNCTION_TYPE_RJ                           = 0x07,
        SDCA_FUNCTION_TYPE_SIMPLE_JACK                  = 0x08,
        SDCA_FUNCTION_TYPE_HID                          = 0x0A,
+       SDCA_FUNCTION_TYPE_COMPANION_AMP                = 0x0B,
        SDCA_FUNCTION_TYPE_IMP_DEF                      = 0x1F,
 };
 
@@ -96,6 +98,7 @@ enum sdca_function_type {
 #define        SDCA_FUNCTION_TYPE_RJ_NAME                      "RJ"
 #define        SDCA_FUNCTION_TYPE_SIMPLE_NAME                  "SimpleJack"
 #define        SDCA_FUNCTION_TYPE_HID_NAME                     "HID"
+#define        SDCA_FUNCTION_TYPE_COMPANION_AMP_NAME           "CompanionAmp"
 #define        SDCA_FUNCTION_TYPE_IMP_DEF_NAME                 "ImplementationDefined"
 
 /**

diff --git a/sound/soc/sdca/sdca_functions.c b/sound/soc/sdca/sdca_functions.c
index 49b98fe..0fcc8e8 100644 (file)
--- a/sound/soc/sdca/sdca_functions.c
+++ b/sound/soc/sdca/sdca_functions.c
@@ -79,6 +79,8 @@ static const char *get_sdca_function_name(u32 function_type)
                return SDCA_FUNCTION_TYPE_SPEAKER_MIC_NAME;
        case SDCA_FUNCTION_TYPE_RJ:
                return SDCA_FUNCTION_TYPE_RJ_NAME;
+       case SDCA_FUNCTION_TYPE_COMPANION_AMP:
+               return SDCA_FUNCTION_TYPE_COMPANION_AMP_NAME;
        case SDCA_FUNCTION_TYPE_IMP_DEF:
                return SDCA_FUNCTION_TYPE_IMP_DEF_NAME;
        default: