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@elhenro
Created November 21, 2019 19:57
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how to fix sound archlinux asus c302ca
1. `dsp_fw_release.bin` has to point to `/lib/firmware/intel/dsp_fw_release_v969.bin`
2. in `/usr/share/alsa/ucm/sklnau8825max`:
## `HiFi.conf`
```
SectionVerb {
EnableSequence [
cdev "hw:sklnau8825max"
cset "name='codec1_out mo media0_in mi Switch' off"
cset "name='codec0_out mo media0_in mi Switch' on"
cset "name='DAC Oversampling Rate' 128"
cset "name='Headset Mic Switch' off"
cset "name='media0_out mo codec0_in mi Switch' off"
cset "name='media0_out mo dmic01_hifi_in mi Switch' on"
cset "name='Pin5-Port0 Mux' 1"
cset "name='Pin6-Port0 Mux' 2"
cset "name='Pin7-Port0 Mux' 3"
]
DisableSequence [
cdev "hw:sklnau8825max"
]
Value {
TQ "HiFi"
CapturePCM "hw:sklnau8825max,1"
PlaybackPCM "hw:sklnau8825max,0"
}
}
SectionDevice."Speaker".0 {
Value {
CoupledMixers "Left Master,Right Master"
PlaybackChannels "2"
PlaybackPriority "1"
}
EnableSequence [
]
DisableSequence [
]
}
SectionDevice."Headphone".0 {
Value {
JackName "sklnau8825max Headset Jack"
PlaybackChannels "2"
PlaybackPriority "2"
}
EnableSequence [
cdev "hw:sklnau8825max"
cset "name='codec0_out mo media0_in mi Switch' off"
cset "name='codec1_out mo media0_in mi Switch' on"
cset "name='Headphone Jack Switch' on"
]
DisableSequence [
cdev "hw:sklnau8825max"
cset "name='codec0_out mo media0_in mi Switch' on"
cset "name='codec1_out mo media0_in mi Switch' off"
cset "name='Headphone Jack Switch' off"
]
}
SectionDevice."Mic".0 {
Value {
JackName "sklnau8825max Headset Jack"
}
EnableSequence [
cdev "hw:sklnau8825max"
cset "name='Headset Mic Switch' on"
cset "name='media0_out mo codec0_in mi Switch' on"
cset "name='media0_out mo dmic01_hifi_in mi Switch' off"
]
DisableSequence [
cdev "hw:sklnau8825max"
cset "name='Headset Mic Switch' off"
cset "name='media0_out mo codec0_in mi Switch' off"
cset "name='media0_out mo dmic01_hifi_in mi Switch' on"
]
}
```
## `sklnau8825max.conf`
```
Comment "Caroline internal card"
SectionUseCase."HiFi" {
File "HiFi.conf"
Comment "Default"
}
```
3. in `/etc/modprobe.d/c302ca-audio.conf`: `blacklist snd_hda_intel`
4. in ` cat /etc/modprobe.d/skylake.conf`
```
blacklist snd_hda_intel
options tpm_tis interrupts=0
```
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