ucm2: codecs: lpass-rx: use set Digital gain at 0dB

For some reason we ended up with a Digital gain below 0dB, resulting in
a very low HP volume.
Fix this to 0dB and let Analog gain control HP volume.
Also remove all redundant setting of this control.

Closes: #335
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

ucm2/Qualcomm/sc8280xp/LENOVO-X13s.conf

@@ -10,3 +10,4 @@ Include.ctl-remap.File "/lib/ctl-remap.conf"
 Include.codec-init.File "/codecs/wcd938x/init.conf"
 Include.codec-init.File "/codecs/wsa883x/init.conf"
 Include.codec-init.File "/codecs/qcom-lpass/wsa-macro/init.conf"
+Include.codec-init.File "/codecs/qcom-lpass/rx-macro/init.conf"

ucm2/codecs/qcom-lpass/rx-macro/init.conf

@@ -0,0 +1,6 @@
+# RX Digital codec specific volume control settings
+
+BootSequence [
+	cset "name='RX_RX0 Digital Volume' 84"
+	cset "name='RX_RX1 Digital Volume' 84"
+]

ucm2/codecs/wcd938x/DefaultEnableSeq.conf

@@ -1,6 +1,4 @@
 EnableSequence [
-	cset "name='RX_RX0 Digital Volume' 80"
-	cset "name='RX_RX1 Digital Volume' 80"
 	cset "name='HPHR Volume' 20"
 	cset "name='HPHL Volume' 20"
 ]

ucm2/codecs/wcd938x/init.conf

@@ -1,8 +1,6 @@
 # WCD938X specific volume control settings
 
 BootSequence [
-	cset "name='RX_RX0 Digital Volume' 84"
-	cset "name='RX_RX1 Digital Volume' 84"
 	cset "name='ADC2 Volume' 12"
 ]