[alsa-devel] [PATCH 0/1] ASoC: TWL4030: Headset ramp down fix

[Peter Ujfalusi]

Hello,

The following patch should fix (or at least makes it less intrusive) the 'tuck'
phenomena on observed on the twl4030 Headset outputs when the codec is going
to standby mode.

I have debugged this with the scope and if we are not waiting RAMP_DELAY time,
the VMID is cut before it reaching 0, which generates the 'tuck'.

Note that I have not removed the control for the RAMP_DELAY configuration, the
code will use that to calculate the needed delay (also the sysfreq is needed,
which also stored).
However I do think that one should not touch the RAMP_DELAY...

It would be nice to hear from you guys, if it solves/softens the 'tuck'.

---
Peter Ujfalusi (1):
  ASoC: TWL4030: Wait RAMP_DELAY on headsetl_event: POST_PMD

 sound/soc/codecs/twl4030.c |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+), 0 deletions(-)