[alsa-devel] issue with AD1989A HDA codec and alsamixer
Raymond Yau
superquad.vortex2 at gmail.com
Wed Mar 23 07:51:11 CET 2011
2011/2/7 Vincent Meserette <vmeserette at aldebaran-robotics.com>
> Hi Raymond,
>
> Thanks for your reply.
>
> To reply to your question, indeed the AD1989A codec is seen by alsa as a
> device containing three subdevices (the three ADC) :
>
> result of arecord -l :
> List of CAPTURE Hardware Devices :
>
> card 0: MID [HDA Intel MID], device 0: AD198x Analog [AD198x Analog]
>
> Subdevices: 3/3
> Subdevice #0: subdevice #0
> Subdevice #1: subdevice #1
> Subdevice #2: subdevice #2
>
>
> To record four channels simultaneously, I have created the following alsa configuration file :
>
> *# output device
> pcm.AD1989A{
> type hw
> card 0
> }
>
> # input device* *
> pcm.quad {
> type multi
>
> slaves.a.pcm "hw:0,0,0" # ADC 0 of the codec (left and right mics)
> slaves.a.channels 2
> slaves.b.pcm "hw:0,0,1" # ADC 1 of the codec (front and rear mics)
> slaves.b.channels 2
>
> bindings.0.slave a
> bindings.0.channel 0
> bindings.1.slave a
> bindings.1.channel 1
> bindings.2.slave b
> bindings.2.channel 0
> bindings.3.slave b
> bindings.3.channel 1
> }
>
> # input device containing interleaved data
> pcm.quad2 {
> type route
> slave.pcm "quad"
> ttable.0.0 1
> ttable.1.1 1
> ttable.2.2 1
> ttable.3.3 1
> }
>
> ### CTL DEVICES (controls)
> ctl.mixer0 {
> type hw
> card 0
> }*
>
> With this configuration file, I am able to record the four channels
> simultaneously with the following command :
>
> arecord -c4 -fS16_LE -r48000 -D «quad2 » -d5 /tmp/recording.wav
>
>
> I found from where came my problem with the capture gains by adding some
> logs in the hda_codec.c file.
> When I set one of the capture gain, the put_vol_mute function well write in
> the AMP_GAIN_MUTE verb of the corresponding ADC selector (0x0c, 0x0d or 0x0e
> widget) but the mute bit is always set to 1.
> Indeed, the value associated to the AMP_GAIN_MUTE verb is formated as folow
> :
> bits 0 to 6 : gain
> bit 7 : mute
> bits 8 to 11 : index
> bit 12 : set right amp
> bit 13 : set left amp
> bit 14 : set input amp
> bit 15 : set output amp
>
> and alsa sets the value of this register from a080 / b080 to a0b6 / b0b6
> when i change the gain from -58.5 dB to 22.5dB
>
> Do you know how alsa and thus the alsamixer determine the minimum and
> maximum values for the capture gain, and how to say to alsa the the gain is
> only a 7bits step value ?
>
> Thanks in advance.
>
> Best regards
>
> Vincent
>
>
>
>
>
> 2011/2/5 Raymond Yau <superquad.vortex2 at gmail.com>
>
>> 2011/2/3 Vincent Meserette <vmeserette at aldebaran-robotics.com>
>>
>> > Hi Raymond,
>> >
>> > Many thanks for your answer.
>> >
>> > Looking the AD1989A datasheet (which can be found here :
>> > http://www.conexant.com/products/entry.jsp?id=599) the vendor id of the
>> > codec seems to be 11D4989A
>> > So, I think the codec taken into account in the "patch_analog.c" file is
>> > well the AD1989A because I found these lines in the source code :
>> >
>> > /*
>> > * patch entries
>> > */
>> > static struct hda_codec_preset snd_hda_preset_analog[] = {
>> > ...
>> > { .id = 0x11d4989a, .name = "AD1989A", .patch = patch_ad1988 },
>> > ...
>> > {} /* terminator */
>> > };
>> >
>> > Concerning the digital microphone input of the codec, I don't use it. I
>> > have four electret microphones connected to the B and C ports of the
>> codec
>> > (one on the PORT-B_L pin, one on the PORT-B_R pin, one on the PORT-C_L
>> pin
>> > and one on the PORT-C_R pin). I have connected by software configuration
>> the
>> > port B to the ADC1 and the port C to the ADC0.
>> > Maybe my problem comes from here, because I don't use the codec in a
>> > standard configuration ?
>> > if it is the case, do you know how can i resolve it ?
>> > Do you also know which registers control the three capture gains of the
>> > alsamixerl (i thought it was the gains of the ADC0, ADC1 and ADC2 )?
>> >
>>
>> can you post the output of alsa-info.sh
>>
>> Six 192kHz 92dB ADCs
>> - simultaneous record of up to 3 stereo channels
>>
>> It does not imply you can record 4 channels with the existing hda driver
>> which create three subdevices
>>
>
when recording with 4 channels using audacity with my ad1988a, audacity
hang after a few seconds or half minute
Does snd-hda-inel really suport SNDRV_PCM_INFO_SYNC_START ?
ALSA pcm_lib.c:374: period_update: pcmC0D0c:0: pos=0/1216/4864,
hwptr=1216/314944/316160/311296
ALSA pcm_lib.c:374: period_update: pcmC0D0c:1: pos=1/1216/4864,
hwptr=1216/314945/316161/311296
ALSA pcm_lib.c:374: period_update: pcmC0D0c:0: pos=1216/1216/4864,
hwptr=1207/316169/317376/316160
ALSA pcm_lib.c:374: period_update: pcmC0D0c:1: pos=1217/1216/4864,
hwptr=1216/316161/317377/316160
ALSA pcm_lib.c:374: period_update: pcmC0D0c:0: pos=2432/1216/4864,
hwptr=1216/317376/318592/316160
ALSA pcm_lib.c:374: period_update: pcmC0D0c:1: pos=2433/1216/4864,
hwptr=1216/317377/318593/316160
ALSA pcm_lib.c:374: period_update: pcmC0D0c:0: pos=3648/1216/4864,
hwptr=1199/318609/319808/316160
ALSA pcm_lib.c:374: period_update: pcmC0D0c:1: pos=3649/1216/4864,
hwptr=1216/318593/319809/316160
ALSA pcm_lib.c:374: period_update: pcmC0D0c:0: pos=0/1216/4864,
hwptr=1216/319808/321024/316160
ALSA pcm_lib.c:374: period_update: pcmC0D0c:1: pos=1/1216/4864,
hwptr=1216/319809/321025/316160
ALSA pcm_lib.c:374: period_update: pcmC0D0c:0: pos=1216/1216/4864,
hwptr=1207/321033/322240/321024
ALSA pcm_lib.c:374: period_update: pcmC0D0c:1: pos=1217/1216/4864,
hwptr=1216/321025/322241/321024
ALSA pcm_lib.c:374: period_update: pcmC0D0c:0: pos=2432/1216/4864,
hwptr=1216/322240/323456/321024
ALSA pcm_lib.c:374: period_update: pcmC0D0c:1: pos=2433/1216/4864,
hwptr=1216/322241/323457/321024
ALSA pcm_lib.c:374: period_update: pcmC0D0c:0: pos=3648/1216/4864,
hwptr=1199/323473/324672/321024
ALSA pcm_lib.c:374: period_update: pcmC0D0c:1: pos=3649/1216/4864,
hwptr=1216/323457/324673/321024
ALSA pcm_lib.c:374: period_update: pcmC0D0c:0: pos=0/1216/4864,
hwptr=1216/324672/325888/321024
ALSA pcm_lib.c:374: period_update: pcmC0D0c:1: pos=1/1216/4864,
hwptr=1216/324673/325889/321024
ALSA pcm_lib.c:374: period_update: pcmC0D0c:0: pos=1216/1216/4864,
hwptr=1184/325920/327104/325888
ALSA pcm_lib.c:374: period_update: pcmC0D0c:1: pos=1217/1216/4864,
hwptr=1216/325889/327105/325888
ALSA pcm_lib.c:374: period_update: pcmC0D0c:0: pos=2432/1216/4864,
hwptr=1216/327104/328320/325888
ALSA pcm_lib.c:374: period_update: pcmC0D0c:1: pos=2433/1216/4864,
hwptr=1216/327105/328321/325888
ALSA pcm_lib.c:374: period_update: pcmC0D0c:0: pos=3648/1216/4864,
hwptr=1215/328321/329536/325888
ALSA pcm_lib.c:374: period_update: pcmC0D0c:1: pos=3649/1216/4864,
hwptr=1216/328321/329537/325888
ALSA pcm_lib.c:374: period_update: pcmC0D0c:0: pos=0/1216/4864,
hwptr=1216/329536/330752/325888
ALSA pcm_lib.c:374: period_update: pcmC0D0c:1: pos=1/1216/4864,
hwptr=1216/329537/330753/325888
ALSA pcm_lib.c:172: XRUN: pcmC0D0c:1
[<f895f201>] xrun+0x97/0x9e [snd_pcm]
[<f895f859>] snd_pcm_update_state+0x74/0xc1 [snd_pcm]
[<f895fe03>] snd_pcm_update_hw_ptr0+0x55d/0x569 [snd_pcm]
[<c042823f>] ? default_wake_function+0xb/0xd
[<c0421fd3>] ? __wake_up+0x31/0x3b
[<f895fe89>] snd_pcm_period_elapsed+0x7a/0xe9 [snd_pcm]
[<f8a41744>] azx_interrupt+0x99/0x120 [snd_hda_intel]
[<c046548f>] handle_IRQ_event+0x2f/0x64
[<c04664f8>] handle_fasteoi_irq+0x85/0xc0
[<c0466473>] ? handle_fasteoi_irq+0x0/0xc0
[<c0406e6e>] do_IRQ+0xc7/0xfe
[<c0405668>] common_interrupt+0x28/0x30
[<c040a112>] ? mwait_idle+0x38/0x4b
[<c0403c61>] cpu_idle+0x101/0x134
[<c06a7db4>] start_secondary+0x197/0x19f
=======================
ALSA hda_intel.c:1679: azx_pcm_prepare: bufsize=0x4c00, format=0x11
ALSA hda_codec.c:1228: hda_codec_setup_stream: NID=0x8, stream=0x1,
channel=0, format=0x11
ALSA hda_intel.c:1679: azx_pcm_prepare: bufsize=0x4c00, format=0x11
ALSA hda_codec.c:1228: hda_codec_setup_stream: NID=0x9, stream=0x2,
channel=0, format=0x11
ALSA hda_intel.c:1679: azx_pcm_prepare: bufsize=0x4c00, format=0x11
ALSA hda_codec.c:1228: hda_codec_setup_stream: NID=0x8, stream=0x1,
channel=0, format=0x11
ALSA hda_intel.c:1679: azx_pcm_prepare: bufsize=0x4c00, format=0x11
ALSA hda_codec.c:1228: hda_codec_setup_stream: NID=0x9, stream=0x2,
channel=0, format=0x11
ALSA hda_codec.c:1291: hda_codec_cleanup_stream: NID=0x8
ALSA hda_codec.c:1291: hda_codec_cleanup_stream: NID=0x9
ALSA hda_codec.c:1291: hda_codec_cleanup_stream: NID=0x8
ALSA hda_codec.c:1291: hda_codec_cleanup_stream: NID=0x9
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