Tools: Topology2: SDW: Use for PCH DMIC IIR type with +20 dB gain

singalsu · singalsu · commit 21f7ef2e6ed7 · 2024-11-29T19:31:48.000+02:00
The existing default is high-pass 40 Hz with 0 dB gain. This
change amplifies captured sound from DMIC by 20 dB. The same
amplifying IIR type is used in hda-generic.

The change is for now, but not the final solution. After we have
UCM2 control for capture processing in SOF we can shift applying
more gain to the DRC component that will provide more robustness
with silent and loud environments.

Signed-off-by: Seppo Ingalsuo &lt;seppo.ingalsuo@linux.intel.com&gt;
diff --git a/tools/topology/topology2/cavs-sdw.conf b/tools/topology/topology2/cavs-sdw.conf
@@ -79,6 +79,7 @@ Define {
 	SDW_JACK_CAPTURE_CH 2
 	ADD_BT  false
 	SDW_LINK_VALID_BITS	24
+	DMIC0_DAI_EQIIR "highpass_40hz_20db"
 }
 
 # override defaults with platform-specific config

Original file line number	Diff line number	Diff line change
`@@ -79,6 +79,7 @@ Define {`
`79`	`79`	`SDW_JACK_CAPTURE_CH 2`
`80`	`80`	`ADD_BT false`
`81`	`81`	`SDW_LINK_VALID_BITS 24`
	`82`	`+ DMIC0_DAI_EQIIR "highpass_40hz_20db"`
`82`	`83`	`}`
`83`	`84`
`84`	`85`	`# override defaults with platform-specific config`