hifiberrydsp/alsa/alsasync.py | 6 3 + 3 - 0 !
1 file changed, 3 insertions(+), 3 deletions(-)

 fix do not create alsa mixcer control.

setup.py | 4 2 + 2 - 0 !
1 file changed, 2 insertions(+), 2 deletions(-)

 remove obsolete lxml / zeroconf dependencies

hifiberrydsp/server/sigmatcp.py | 13 11 + 2 - 0 !
install-dsptoolkit | 2 1 + 1 - 0 !
2 files changed, 12 insertions(+), 3 deletions(-)

 add --localhost to bind sigmatcp to localhost only

hifiberrydsp/alsa/alsasync.py | 7 6 + 1 - 0 !
1 file changed, 6 insertions(+), 1 deletion(-)

 use select instead of busy loop

hifiberrydsp/alsa/alsasync.py | 2 1 + 1 - 0 !
1 file changed, 1 insertion(+), 1 deletion(-)

 reduce poll timeout to 1 second

This reduces the system load but increases the time it takes to sync the
volume from the DSP to Alsa. I assume that syncing from Alsa to DSP is
the normal case, which is still faster due to using select.