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From:   "Lu, Brent" <brent.lu@intel.com>
To:     Takashi Iwai <tiwai@suse.de>
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Subject: RE: [PATCH v2 0/2] Add period size constraint for Atom Chromebook
Thread-Topic: [PATCH v2 0/2] Add period size constraint for Atom Chromebook
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Date:   Thu, 30 Jul 2020 15:25:47 +0000
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> >
> > Two different constraints are implemented: one is in platform's CPU
> > DAI to enforce period sizes which are already used in Android BSP. The
> > other is in Atom Chromebook's machine driver to use 240 as period size.
> >
> > Changes since v1:
> > -Add comma at the end of media_period_size array declaration.
>=20
> Is it a hardware restriction?  Unless it's a must for some hardware issue=
s,
> enforcing such a small period size is nothing but a drawback for a system
> without CRAS.

Hi Takashi,

This patch is cherry-picked from Chrome's branch which is originally implem=
ented
by google. They found this value works best with CRAS and these two machine
drivers are for Chromebooks. Other BSW machine drivers are untouched.


Regards,
Brent

>=20
>=20
> thanks,
>=20
> Takashi
>=20
> >
> > Brent Lu (1):
> >   ASoC: intel: atom: Add period size constraint
> >
> > Yu-Hsuan Hsu (1):
> >   ASoC: Intel: Add period size constraint on strago board
> >
> >  sound/soc/intel/atom/sst-mfld-platform-pcm.c | 15 +++++++++++++++
> > sound/soc/intel/boards/cht_bsw_max98090_ti.c | 14 +++++++++++++-
> >  sound/soc/intel/boards/cht_bsw_rt5645.c      | 14 +++++++++++++-
> >  3 files changed, 41 insertions(+), 2 deletions(-)
> >
> > --
> > 2.7.4
> >