Alexander van der Leun <a...@vdleun.net> writes: > 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
Hi Alexander, Ive got my Braswell and Broadwell mixed up, Broadwell is PC chip, Braswell is SoC based of Silvermont, catpt won't help in this case. Sorry. Regards.....