Audio: Volume: No update of process function for every ramp value

singalsu · kv2019i · commit b6aa921e02f6 · 2024-04-11T11:55:25.000+03:00
The volume process function for pass-through can be changed
when all ramps are completed. This change that avoids processing
function lookup in worst case every 128 us is measured to
save in TGL platform about 1 MCPS from CPU_PEAK(MAX).

Signed-off-by: Seppo Ingalsuo &lt;seppo.ingalsuo@linux.intel.com&gt;
diff --git a/src/audio/volume/volume.c b/src/audio/volume/volume.c
@@ -347,7 +347,8 @@ static inline void volume_ramp(struct processing_module *mod)
 		}
 	}
 
-	set_volume_process(cd, dev, true);
+	if (cd->is_passthrough)
+		set_volume_process(cd, dev, true);
 }
 
 /**

Original file line number	Diff line number	Diff line change
`@@ -347,7 +347,8 @@ static inline void volume_ramp(struct processing_module *mod)`
`347`	`347`	`}`
`348`	`348`	`}`
`349`	`349`
`350`		`- set_volume_process(cd, dev, true);`
	`350`	`+ if (cd->is_passthrough)`
	`351`	`+ set_volume_process(cd, dev, true);`
`351`	`352`	`}`
`352`	`353`
`353`	`354`	`/**`