On Wed, 2010-10-27 at 20:34 -0700, Mark Brown wrote: > Providing the analogue configuration of the output path remains the same > the DC offset corrected by the DC servo will remain identical so we can > skip the callibration, reducing the startup time for the headphone output. > Implement this for the wm_hubs devices as has been done for several other > CODECs. > > Don't do this if we have any analogue paths enabled since offsets may be > being introduced by the analogue paths which could vary outside the > control of the driver. > > Signed-off-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx> > --- > > This change has not been tested yet but I'm sending it out for review > now to accelerate the process. > > sound/soc/codecs/wm8993.c | 2 + > sound/soc/codecs/wm8994.c | 3 ++ > sound/soc/codecs/wm_hubs.c | 69 +++++++++++++++++++++++++++++-------------- > sound/soc/codecs/wm_hubs.h | 3 ++ > 4 files changed, 54 insertions(+), 23 deletions(-) Acked-by: Liam Girdwood <lrg@xxxxxxxxxxxxxxx> -- Freelance Developer, SlimLogic Ltd ASoC and Voltage Regulator Maintainer. http://www.slimlogic.co.uk _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
