ASoC: SOF: topology: Add support for DC Blocker

This commit adds the enumerations to support the dc blocker component
from SOF.
Signed-off-by: Sebastiano Carlucci <scarlucci@google.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Curtis Malainey <curtis@malainey.com>
Reviewed-by: Seppo Ingalsuo <seppo.ingalsuo@intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20200415202816.934-9-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

include/sound/sof/topology.h

@@ -37,6 +37,7 @@ enum sof_comp_type {
 	SOF_COMP_SELECTOR,		/**< channel selector component */
 	SOF_COMP_DEMUX,
 	SOF_COMP_ASRC,		/**< Asynchronous sample rate converter */
+	SOF_COMP_DCBLOCK,
 	/* keep FILEREAD/FILEWRITE as the last ones */
 	SOF_COMP_FILEREAD = 10000,	/**< host test based file IO */
 	SOF_COMP_FILEWRITE = 10001,	/**< host test based file IO */
@@ -206,6 +207,7 @@ enum sof_ipc_process_type {
 	SOF_PROCESS_CHAN_SELECTOR,	/**< Channel Selector */
 	SOF_PROCESS_MUX,
 	SOF_PROCESS_DEMUX,
+	SOF_PROCESS_DCBLOCK,
 };
 
 /* generic "effect", "codec" or proprietary processing component */

sound/soc/sof/topology.c

@@ -430,6 +430,7 @@ static const struct sof_process_types sof_process[] = {
 	{"CHAN_SELECTOR", SOF_PROCESS_CHAN_SELECTOR, SOF_COMP_SELECTOR},
 	{"MUX", SOF_PROCESS_MUX, SOF_COMP_MUX},
 	{"DEMUX", SOF_PROCESS_DEMUX, SOF_COMP_DEMUX},
+	{"DCBLOCK", SOF_PROCESS_DCBLOCK, SOF_COMP_DCBLOCK},
 };
 
 static enum sof_ipc_process_type find_process(const char *name)