[alsa-devel] [PATCH v2 07/13] conf/ucm: bytcr-rt5651: Fix ADC and Mic capture volumes

Hans de Goede hdegoede at redhat.com
Wed Aug 8 11:05:37 CEST 2018


Fix ADC and Mic capture volumes, so that the microphone inputs actually
work.

Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede at redhat.com>
---
 src/conf/ucm/rt5651/EnableSeq.conf | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/src/conf/ucm/rt5651/EnableSeq.conf b/src/conf/ucm/rt5651/EnableSeq.conf
index 3ef9afc0..37bffecb 100644
--- a/src/conf/ucm/rt5651/EnableSeq.conf
+++ b/src/conf/ucm/rt5651/EnableSeq.conf
@@ -7,8 +7,6 @@ cset "name='HPOVOL L Switch' on"
 cset "name='HPOVOL R Switch' on"
 cset "name='LOUT MIX DAC L1 Switch' on"
 cset "name='LOUT MIX DAC R1 Switch' on"
-cset "name='IN1 Boost' 1"
-cset "name='IN2 Boost' 1"
 cset "name='IF1 ASRC Switch' on"
 cset "name='LOUT L Playback Switch' off"
 cset "name='LOUT R Playback Switch' off"
@@ -23,12 +21,20 @@ cset "name='Stereo2 ADC MIXR ADC2 Switch' on"
 cset "name='Headphone Switch' off"
 cset "name='Speaker Switch' off"
 
-# volumes for 0dB
+# volumes
 cset "name='OUT Playback Volume' 31"
 cset "name='HP Playback Volume' 31"
-cset "name='IN Capture Volume' 23"
-cset "name='ADC Capture Volume' 47"
 cset "name='DAC1 Playback Volume' 175"
+cset "name='IN Capture Volume' 23"
+# 47=0dB, 0.375 dB/step, set it to 6 dB to help with soft mics
+cset "name='ADC Capture Volume' 63"
+cset "name='ADC Capture Switch' on"
+# Set ADC Boost Gain to 3dB higher vals result in too much noise
+cset "name='ADC Boost Gain' 1"
+# Set IN1, IN2 and IN3 internal mic boost to 1
+cset "name='IN1 Boost' 1"
+cset "name='IN2 Boost' 1"
+cset "name='IN3 Boost' 1"
 
 # input
 cset "name='Stereo1 ADC L1 Mux' ADC"
-- 
2.18.0



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