About IDe P.1

IDe P.1 · 2021-10-27

Hi All,i'm having an issue with STM32MP157c and audio driver WM8994 (same as used into STM32MP15-DK).At boot time i'm still have the following error:[ 4.250237] ALSA device list:[ 4.251761] No soundcards found.I share the electrical drawing of o...

IDe P.1 · 2021-10-11

Hi All,i have my own board based on STM32MP157C.I connected usart1 (tx, rx, cts, rts) to Wifi/Ble module and i still got the same error:stm32-usart: probe of 5c000000.serial failed with error -22I discovered that USART1 is a secure device so i need t...

IDe P.1 · 2021-10-29

Yes, you're right, WM8994 is used into EV1 but in my custom board i don't have all of the other interfaces mentioned here at chap.2.1:https://wiki.st.com/stm32mpu/wiki/Soundcard_configuration#ReferencesYour solution is the first way i done (tha same ...

IDe P.1 · 2021-10-28

Hi Olivier,I already followed the case "Soundcard not probed", but it didn't help me.Under /sys/kernel/debug/ i don't have the folders asoc/dais.Ilie

IDe P.1 · 2021-10-22

Hi Kevin,Thanks a lot, it works!!!!!!!!Have a nice day.IlieIlie De PeccatiTechnical office – Software dept.

IDe P.1 · 2021-10-15

Hi Kevin,thank's a lot for your reply.I fixed the usart1 issue but not 100%.On my own board usart1 is configured as below:PZ6 is RXPZ7 is TXPA11 is CTSPA12 is RTSAt the moment i made the override of pinctr_z and USART1 is probed but i'm not able to c...

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Alsa no sound card found

How to configure USART1 on STM32MP157c

Re: Alsa no sound card found

Re: Alsa no sound card found

Re: How to configure USART1 on STM32MP157c

Re: How to configure USART1 on STM32MP157c