On Tue, Nov 09, 2021 at 02:49:55PM +0100, Alexander van der Leun wrote:
> Hi Dekks Herton,
>
> On Tue, Nov 09, 2021 at 05:44:08AM +0000, Dekks Herton wrote:
> > 3 - This Chromebook uses an old Intel CPU based on Braswell which Intel
> > recently
> > rewrote the sound driver to use Intel_captpt driver. Is the soundcard
> > using captpt or snd_hda_intel?
>
> The soundcard uses snd_hda_intel. The current kernel 5.14.0-2-amd64 seems not
> to
> have a module named captpt. Where can I read more about this rewrite? A Google
> search doesn't seem to come up with much.
Found the mentioned driver, snd_soc_catpt, but cannot seem to get it to work.
Also blacklisted the snd_hda_intel and rt5650 drivers. But still no output
in the kernel logs or aplay -l finding sound cards.
Does this driver really work on this hardware:
# lshw
linuxbook
description: Laptop
product: Banon
vendor: GOOGLE
version: 1.0
width: 64 bits
capabilities: smbios-3.3.0 dmi-3.3.0 smp vsyscall32
configuration: boot=normal chassis=laptop family=Intel_Strago
*-core
description: Motherboard
product: Banon
vendor: GOOGLE
physical id: 0
version: 1.0
*-firmware
description: BIOS
vendor: coreboot
physical id: 0
version: MrChromebox-4.14
date: 07/25/2021
size: 1MiB
capacity: 8MiB
capabilities: pci pcmcia upgrade bootselect acpi
*-cpu
description: CPU
product: Intel(R) Celeron(R) CPU N3060 @ 1.60GHz
vendor: Intel Corp.
physical id: 4
bus info: cpu@0
version: 6.76.4
slot: CPU0
size: 580MHz
capacity: 2480MHz
width: 64 bits
capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8
apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht
tm pbe syscall nx rdtscp x86-64 constant_tsc arch_perfmon pebs bts rep_good
nopl xtopology tsc_reliable nonstop_tsc cpuid aperfmperf tsc_known_freq pni
pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2
movbe popcnt tsc_deadline_timer aes rdrand lahf_lm 3dnowprefetch epb pti ibrs
ibpb stibp tpr_shadow vnmi flexpriority ept vpid tsc_adjust smep erms dtherm
ida arat md_clear cpufreq
configuration: cores=2 enabledcores=2 microcode=1041 threads=2
