[alsa-devel] [PATCH] ASoC: Add max98371 codec driver

Amish Kumar yesanishhere at gmail.com
Wed Mar 23 17:23:25 CET 2016



> On Mar 23, 2016, at 5:45 AM, Micka <mickamusset at gmail.com> wrote:
> 
> Ok, 
> 
> I  'v a problem with the codec max9768, because I don't see it in the device list.
> 
> but in the kernel log, everything looks ok !

What does cat /proc/asound/cards say?
Send a mail to me with the dmesg and I can help you. 

> 
> 
> [    9.582179] i2C max9768 probe
> [    9.582369] ASoC: Registered codec 'max9768.2-0049'
> 
> root at beaglebone:/# /sbin/lsmod | grep snd
> snd_soc_simple_card     7597  0
> snd_soc_max9768         4736  0
> snd_soc_tlv320aic3x    40053  1
> snd_soc_davinci_mcasp    14383  2
> snd_soc_edma            1150  1 snd_soc_davinci_mcasp
> snd_soc_omap            2581  1 snd_soc_davinci_mcasp
> snd_soc_core          155826  6 snd_soc_davinci_mcasp,snd_soc_edma,snd_soc_omap,snd_soc_tlv320aic3x,snd_soc_max9768,snd_soc_simple_card
> snd_compress           11589  1 snd_soc_core
> snd_pcm_dmaengine       5061  2 snd_soc_core,snd_soc_omap
> snd_pcm                76985  5 snd_soc_davinci_mcasp,snd_soc_core,snd_soc_omap,snd_soc_tlv320aic3x,snd_pcm_dmaengine
> snd_seq                45177  0
> snd_seq_device          4534  1 snd_seq
> snd_timer              16867  2 snd_pcm,snd_seq
> snd                    56907  7 snd_soc_core,snd_timer,snd_pcm,snd_seq,snd_soc_max9768,snd_seq_device,snd_compress
> soundcore               6893  1 snd
> 
> 
>> Le lun. 21 mars 2016 à 18:05, Mark Brown <broonie at kernel.org> a écrit :
>> On Mon, Mar 21, 2016 at 04:41:43PM +0000, Micka wrote:
>> 
>> > *> Could you tell me how do you control this device/codec with Linux ? What
>> > is> the command ?*
>> > *Using any ALSA userspace applications.*
>> 
>> > But How do you find the device in the amixer application ? That the part
>> > don't I don't get it !
>> 
>> The machine driver that uses the CODEC will create a card.  Probably
>> it's going to be the only card in the system, if not you might need to
>> flip between cards using whatever UI you have.  With amixer that's the
>> -c option.


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