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noise issue when both front L and front R are connected on GP-MRB #34
Description
This issue occurs when both front L and front R are connected, but disconnect one of them, the noise will disappear.
sof-dev:a3a39f21218c074c71cd28b0c2c782b1626df3e3
sof-master:c4a9cca0a94969fbf1ecb42d660c0e40279d9ffa
soft-master:2abbfc0910ce9767d01462638d719309746844d1
tplg:sof-apl-tdf8532.tplg
How to reproduce:
- Ensure both front L and front R are connected.
- aplay -D hw:0,0 -f S32_LE -r 48000 -c 4 /home/rander/4ch_32bit.wav , you can hear the noise and the noise sounds like a rustle.
- Disconnect front L or front R. the noise will disappear
Activity
plbossart commentedon Jul 18, 2018
This looks like a platform/hardware/electrical issue. There is nothing in the kernel that handles plug-in events and deals with the connection/disconnection, on this board so there's no way to fix this...
mengdonglin commentedon Aug 31, 2018
This platform is no longer supported and so close this bug
gpio: Assign gpio_irq_chip::parents to non-stack pointer
cpu/hotplug: Mute hotplug lockdep during init
Bluetooth: L2CAP: handle l2cap config request during open state
Merge pull request thesofproject#34 from Rust-for-Linux/sync-5.9
scsi: target: core: Avoid smp_processor_id() in preemptible code
Bluetooth: L2CAP: Fix u8 overflow
vxlan: Fix nexthop hash size
ipvs: avoid stat macros calls from preemptible context
l2tp: fix lockdep splat
mm/kmemleak: fix sleeping function called from invalid context at pri…
6 remaining items
workqueue: Fix unbind_workers() VS wq_worker_sleeping() race
Bluetooth: L2CAP: Fix u8 overflow
net: phy: Add link between phy dev and mac dev
RDMA/rxe: Fix oops with zero length reads
KVM: SVM: Don't put/load AVIC when setting virtual APIC mode
ACPICA: Avoid undefined behavior: load of misaligned address
ACPICA: Avoid undefined behavior: member access within misaligned add…
ACPICA: Avoid undefined behavior: member access within misaligned add…
drm/amdkfd: Fix shift out-of-bounds issue
riscv: VMAP_STACK overflow detection thread-safe
sched_ext: Print sched_ext info when dumping stack
KVM: arm64: Fix shift-out-of-bounds bug
mm: stop making SPARSEMEM_VMEMMAP user-selectable
APEI/GHES: ensure that won't go past CPER allocated record
APEI/GHES: ensure that won't go past CPER allocated record