syslog baytrail rt5640 audio sink problem

syslog.txt

Jul 15 14:25:04 linux pulseaudio[3389]: [pulseaudio] alsa-ucm.c: Add lost conflicting device HeadsetMic to InternalMics
Jul 15 14:25:04 linux pulseaudio[3389]: [pulseaudio] alsa-ucm.c: Add lost conflicting device DigitalMics to HeadsetMic
Jul 15 14:25:04 linux pulseaudio[3389]: [pulseaudio] alsa-util.c: Disabling timer-based scheduling because high-resolution timers are not available from the kernel.
Jul 15 14:25:04 linux kernel: [ 2717.922565] sst-mfld-platform sst-mfld-platform: Enter: enable=1 port_name=ssp0-port
Jul 15 14:25:04 linux kernel: [ 2718.052109] intel_sst_acpi 80860F28:00: Alloc for str 1 pipe 0x90
Jul 15 14:25:04 linux rtkit-daemon[1320]: Successfully made thread 3390 of process 3390 (n/a) owned by '1000' high priority at nice level -11.
Jul 15 14:25:04 linux rtkit-daemon[1320]: Supervising 2 threads of 2 processes of 1 users.
Jul 15 14:25:05 linux pulseaudio[3389]: [pulseaudio] sink.c: Default and alternate sample rates are the same.
Jul 15 14:25:05 linux rtkit-daemon[1320]: Supervising 1 threads of 1 processes of 1 users.
Jul 15 14:25:05 linux rtkit-daemon[1320]: Successfully made thread 3393 of process 3389 (n/a) owned by '1000' RT at priority 5.
Jul 15 14:25:05 linux rtkit-daemon[1320]: Supervising 2 threads of 1 processes of 1 users.
Jul 15 14:25:05 linux pulseaudio[3389]: [pulseaudio] alsa-util.c: Disabling timer-based scheduling because high-resolution timers are not available from the kernel.
Jul 15 14:25:05 linux kernel: [ 2718.668107] intel_sst_acpi 80860F28:00: Alloc for str 3 pipe 0xe
Jul 15 14:25:05 linux pulseaudio[3389]: [pulseaudio] source.c: Default and alternate sample rates are the same.
Jul 15 14:25:05 linux rtkit-daemon[1320]: Supervising 2 threads of 1 processes of 1 users.
Jul 15 14:25:05 linux rtkit-daemon[1320]: Successfully made thread 3394 of process 3389 (n/a) owned by '1000' RT at priority 5.
Jul 15 14:25:05 linux rtkit-daemon[1320]: Supervising 3 threads of 1 processes of 1 users.
Jul 15 14:25:05 linux pulseaudio[3389]: [pulseaudio] backend-ofono.c: Failed to register as a handsfree audio agent with ofono: org.freedesktop.DBus.Error.ServiceUnknown: The name org.ofono was not provided by any .service files
Jul 15 14:25:10 linux kernel: [ 2724.224671] intel_sst_acpi 80860F28:00: Free for str 3 pipe 0xe
Jul 15 14:25:10 linux kernel: [ 2724.230768] sst-mfld-platform sst-mfld-platform: Enter: enable=0 port_name=ssp0-port
Jul 15 14:25:10 linux kernel: [ 2724.232126] intel_sst_acpi 80860F28:00: Free for str 1 pipe 0x90
Jul 15 14:25:12 linux kernel: [ 2726.336101] sst-mfld-platform sst-mfld-platform: Enter: enable=1 port_name=ssp0-port
Jul 15 14:25:12 linux kernel: [ 2726.472110] intel_sst_acpi 80860F28:00: Alloc for str 1 pipe 0x90
Jul 15 14:25:13 linux pulseaudio[3389]: [alsa-sink-1] alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write.
Jul 15 14:25:13 linux pulseaudio[3389]: [alsa-sink-1] alsa-sink.c: Most likely this is a bug in the ALSA driver 'snd_soc_sst_bytcr_rt5640'. Please report this issue to the ALSA developers.
Jul 15 14:25:13 linux pulseaudio[3389]: [alsa-sink-1] alsa-sink.c: We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail.
Jul 15 14:25:34 linux kernel: [ 2747.644994] sst-mfld-platform sst-mfld-platform: Enter: enable=0 port_name=ssp0-port
Jul 15 14:25:34 linux kernel: [ 2747.645886] intel_sst_acpi 80860F28:00: Free for str 1 pipe 0x90