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[Q] Raise headphone volume - help needed

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By paratox, Senior Member on 11th July 2014, 05:53 PM
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anyone tried to make headphone out louder with mixer_paths.xml editing like in G2 days?

i tried to edit in mixer_paths.xml the following values but it did nothing:

Code:
...
<ctl name="HPHL Volume" value="20" />
<ctl name="HPHR Volume" value="20" />
<ctl name="RX1 Digital Volume" value="60" />
<ctl name="RX2 Digital Volume" value="60" />
...
there are also mixer_paths_auxpcm.xml and mixer_paths_qcwcn.xml in /system/etc so maybe there somewhere are the magic values to change.

all 3 files from D855 EUR on pastebin:

mixer_paths.xml
mixer_paths_auxpcm.xml
mixer_paths_qcwcn.xml

would be nice if a "pro" could have a look on it!
Last edited by paratox; 11th July 2014 at 06:58 PM.
 
 
11th July 2014, 08:21 PM |#2  
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I would also appreciate someone looking into this. I am hearing impaired and think the volume for music is way too low with my high quality headphones on!

For some reason in-call volume is fine.
11th July 2014, 08:45 PM |#3  
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I went to system/etc then snd_soc_msm_2x folder and edited that on my lg g pad I assume it will be the same
11th July 2014, 10:09 PM |#4  
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snd_soc_msm_Taiko

maybe here?

Code:
...

SectionDevice
	Name "Headphones"
	Comment "Headset Rx device"

	EnableSequence
		'SLIM RX1 MUX':0:AIF1_PB
		'SLIM RX2 MUX':0:AIF1_PB
		'SLIM_0_RX Channels':0:Two
		'RX1 MIX1 INP1':0:RX1
		'RX2 MIX1 INP1':0:RX2
		'CLASS_H_DSM MUX':0:DSM_HPHL_RX1
		'HPHL DAC Switch':1:1
		'COMP1 Switch':1:1
		'HPHL Volume':1:100
		'HPHR Volume':1:100
		'RX1 Digital Volume':1:68
		'RX2 Digital Volume':1:68
	EndSequence

	DisableSequence
		'SLIM RX1 MUX':0:ZERO
		'SLIM RX2 MUX':0:ZERO
		'RX1 MIX1 INP1':0:ZERO
		'RX2 MIX1 INP1':0:ZERO
		'CLASS_H_DSM MUX':0:ZERO
		'HPHL DAC Switch':1:0
		'COMP1 Switch':1:0
		'HPHL Volume':1:0
		'HPHR Volume':1:0
		'RX1 Digital Volume':1:0
		'RX2 Digital Volume':1:0
	EndSequence

	ACDBID	10:1
	EffectsMixerCTL "SRS TruMedia"
	EC_REF_RXMixerCTL "SLIM_RX"

EndSection

...
16th January 2015, 10:33 AM |#5  
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Quote:
Originally Posted by paratox

snd_soc_msm_Taiko

maybe here?

Code:
...

SectionDevice
	Name "Headphones"
	Comment "Headset Rx device"

	EnableSequence
		'SLIM RX1 MUX':0:AIF1_PB
		'SLIM RX2 MUX':0:AIF1_PB
		'SLIM_0_RX Channels':0:Two
		'RX1 MIX1 INP1':0:RX1
		'RX2 MIX1 INP1':0:RX2
		'CLASS_H_DSM MUX':0:DSM_HPHL_RX1
		'HPHL DAC Switch':1:1
		'COMP1 Switch':1:1
		'HPHL Volume':1:100
		'HPHR Volume':1:100
		'RX1 Digital Volume':1:68
		'RX2 Digital Volume':1:68
	EndSequence

	DisableSequence
		'SLIM RX1 MUX':0:ZERO
		'SLIM RX2 MUX':0:ZERO
		'RX1 MIX1 INP1':0:ZERO
		'RX2 MIX1 INP1':0:ZERO
		'CLASS_H_DSM MUX':0:ZERO
		'HPHL DAC Switch':1:0
		'COMP1 Switch':1:0
		'HPHL Volume':1:0
		'HPHR Volume':1:0
		'RX1 Digital Volume':1:0
		'RX2 Digital Volume':1:0
	EndSequence

	ACDBID	10:1
	EffectsMixerCTL "SRS TruMedia"
	EC_REF_RXMixerCTL "SLIM_RX"

EndSection

...

dont edit that...
what you were editing is correct, but you dont change HPHL & HPHR, you only edit RX1 Digital Volume & RX2 Digital Volume.
the defualt value is 60, i find anything over 65 makes music distorted. make sure the permissions are still -rw-r--r-- after editing.

depending on your device model - D850/1/5 etc, etc, software - AOSP/stock, you may have to edit all 3 to make sure you edit the right files. CM only has mixer_paths.xml

SORRY FOR BUMPING, JUST REALISED POSTED DATE.
Last edited by rhystagram; 16th January 2015 at 10:39 AM.
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