ASoC: soc-acpi: add static inline fallbacks when CONFIG_ACPI=n

Fix compilation issues reported by 0day-Kbuild with sparc64 w/ SOF.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

include/sound/soc-acpi.h

@@ -22,20 +22,37 @@ struct snd_soc_acpi_package_context {
 #define SND_ACPI_I2C_ID_LEN (4 + ACPI_ID_LEN + 3 + 1)
 
 #if IS_ENABLED(CONFIG_ACPI)
+/* acpi match */
+struct snd_soc_acpi_mach *
+snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines);
+
 bool snd_soc_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN],
 				    struct snd_soc_acpi_package_context *ctx);
+
+/* check all codecs */
+struct snd_soc_acpi_mach *snd_soc_acpi_codec_list(void *arg);
+
 #else
+/* acpi match */
+static inline struct snd_soc_acpi_mach *
+snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines)
+{
+	return NULL;
+}
+
 static inline bool
 snd_soc_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN],
 				   struct snd_soc_acpi_package_context *ctx)
 {
 	return false;
 }
-#endif
 
-/* acpi match */
-struct snd_soc_acpi_mach *
-snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines);
+/* check all codecs */
+static inline struct snd_soc_acpi_mach *snd_soc_acpi_codec_list(void *arg)
+{
+	return NULL;
+}
+#endif
 
 /**
  * snd_soc_acpi_mach_params: interface for machine driver configuration
@@ -105,7 +122,4 @@ struct snd_soc_acpi_codecs {
 	u8 codecs[SND_SOC_ACPI_MAX_CODECS][ACPI_ID_LEN];
 };
 
-/* check all codecs */
-struct snd_soc_acpi_mach *snd_soc_acpi_codec_list(void *arg);
-
 #endif