paul- wrote: > There were several users trying to get the Merus Amp to work. I think I > finally cracked it. > > _Disable_onboard_audio_ > dtparm=audio=off > > _Disable_SPI_ > Remove the spi=on from the line > > Code: -------------------- > > > deparam=i2c_arm=on,spi=on,i2s=on -------------------- > > > > Then on the Squeezelite page, make sure you limit the sample rate to > 48000. > > Also, make sure you do not play any music until you have turned down > the Limit Threashold as described in the docs. If you try to play > music with the default Alsa settings, it will likely lockup the > amplifier chip requiring a reboot. > > Once things are set in alsa mixer, then you should save the alsa > settings on the "Card Control" Page. > > I'll see about adding some better controls in pCP7.
Thanks for looking into this. I'm pretty sure I followed all your directions, but still no sound. I'm using a 3B+ and pCP7. I did notice this in [INFO] dmesg if this gives you a clue as to what I did wrong. Did I screw up mmcblk0p1 while editing config.txt? [ 4.380370] zram: Added device: zram0 [ 4.438434] zram0: detected capacity change from 0 to 238342144 [ 4.476016] Adding 232752k swap on /dev/zram0. Priority:-2 extents:1 across:232752k SSFS [ 4.561343] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 4.987307] FAT-fs (mmcblk0p1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 5.097725] EXT4-fs (mmcblk0p2): recovery complete [ 5.098723] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null) [ 5.132983] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null) [ 9.316569] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 9.343057] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 9.396959] brcmfmac: F1 signature read @0x18000000=0x15264345 [ 9.412582] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6 [ 9.413055] usbcore: registered new interface driver brcmfmac [ 9.481658] snd-rpi-simple soc:sound: ASoC: failed to init link MerusAmp: -517 [ 9.486151] snd-rpi-simple soc:sound: ASoC: failed to init link MerusAmp: -517 [ 9.671020] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6 [ 9.686469] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4345/6 wl0: Mar 2 2020 23:30:41 version 7.45.202 (r724630 CY) FWID 01-72f6ece2 [ 9.877468] Starting piCorePlayer v7.0.0b6 startup. [ 10.426941] FAT-fs (mmcblk0p1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. [ 10.533541] snd-rpi-simple soc:sound: ma120x0p-amp <-> 3f203000.i2s mapping ok [ 10.533559] snd-rpi-simple soc:sound: ASoC: no DMI vendor name! [ 10.567348] brcmfmac: brcmf_cfg80211_set_power_mgmt: power save enabled [ 30.043521] Finished piCorePlayer v7.0.0b6 startup. [ 46.925994] FAT-fs (mmcblk0p1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. Thanks, Mike ------------------------------------------------------------------------ mboxler's Profile: http://forums.slimdevices.com/member.php?userid=67126 View this thread: http://forums.slimdevices.com/showthread.php?t=111787 _______________________________________________ unix mailing list unix@lists.slimdevices.com http://lists.slimdevices.com/mailman/listinfo/unix
