From mboxrd@z Thu Jan 1 00:00:00 1970 From: jarkko.nikula@bitmer.com (Jarkko Nikula) Date: Sat, 4 Mar 2017 18:01:21 +0200 Subject: Microphone gain on N900 In-Reply-To: <20170302142822.GA30427@amd> References: <20170226202831.GA31405@amd> <201702272053.37882@pali> <4435ddd2-ca0e-b05d-727d-9f38416c0f97@bitmer.com> <20170302142822.GA30427@amd> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 03/02/17 16:28, Pavel Machek wrote: > Hi! > >>>> v4.10 works quite nicely on N900, but I still have problems with >>>> audio. Even GSM calls would be usable, if I had reasonable volume on >>>> microphone and speaker... but I don't. >>>> >>>> Both speaker and microphone are too quiet. I can get louder output by >>>> plugging headset -- good. I can hear the other side nicely, but am >>>> too quiet for them. Unfortunately, even if I plug in wired headset, >>>> internal microphone is still used. >>>> >> For me these settings provide reasonable playback and capture volumes >> using v4.10.1: >> >> amixer -D hw:0 set PCM 100% >> amixer -D hw:0 set 'Line DAC' 80% on >> amixer -D hw:0 set 'Line' on >> amixer -D hw:0 set 'Left Line Mixer DACL1' on >> amixer -D hw:0 set 'Right Line Mixer DACR1' on >> amixer -D hw:0 set 'Jack Function' 'Headphone' >> amixer -D hw:0 set 'TPA6130A2 Headphone' 80% >> >> amixer -D hw:0 set 'Jack Function' 'Headset' >> amixer -D hw:0 set 'AGC' off >> amixer -D hw:0 set 'Input Select' 'ADC' >> amixer -D hw:0 set 'Left PGA Mixer Line1L' on >> amixer -D hw:0 set 'Left Line1L Mux' 'differential' >> amixer -D hw:0 set 'Right PGA Mixer Line1L' on >> amixer -D hw:0 set 'Right Line1L Mux' 'differential' >> amixer -D hw:0 set 'ADC HPF Cut-off' '0.0045xFs' 'disabled' >> amixer -D hw:0 set PGA 50% on >> amixer -D hw:0 cset iface=MIXER,name='PGA Capture Switch',index=0 on > > This seems to correspond to volumes I have had before. They are enough > for phone call in quiet environment, but not really for normal usage. > > Do you have settings where microphone on wired headset works? > Those settings above. They are set after putting all volumes to 0 and muted. I'm using the Nokia WH-205 headset that came with the phone. -- Jarkko