[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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