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    SubjectRe: [RFC PATCH 00/14] ASoC: qcom: add support to apq8016 audio
    On Sat, May 02, 2015 at 04:57:04PM -0700, Kenneth Westfield wrote:
    > On Thu, Apr 30, 2015 at 06:15:48PM +0100, Srinivas Kandagatla wrote:
    > > Hi All,
    > >
    > > This patchset adds apq8016 audio support into lpass driver. Existing
    > Lpass
    > > driver can not be used as-it-is for apq8016 as it contains code specific
    > to
    > > ipq806x. Also the driver only supports single i2s port, single dma
    > channel and
    > > single bitclk control.
    > >
    > > APQ8016 has 4 MI2S( Primary, Secondary, Tertiary, Quaternary) which can
    > be routed
    > > to internal wcd codec or external codecs. This routing is controlled by
    > 2 mux
    > > registers.
    > >
    > > This patch series firstly re-organizes the lpass driver such that the
    > SOC
    > > specific bits are moved away from the driver. And secondly the SOC
    > specifics
    > > are now passed as lpass variant data which would include various
    > register
    > > offsets, dma channel allocations and SOC specific clock handling.
    > >
    > > Finally the patchset add apq8016 lpass and machine driver.
    > >
    > > This patchset also has two trivial cleanup patches which are to do with
    > > redundant checks and removing unnecessary header files.
    > >
    > > All these patches are tested for HDMI audio via adv7533 bridge and
    > Analog audio
    > > on APQ8016-SBC and msm8916-mtp boards. I dont have access to ipq806x
    > boards to
    > > test these patches.
    > >
    > > This is very first version of the patches which was developed with very
    > > mimimal/no access to IP documentation. I would like to get your opinon
    > on the
    > > over all approch.
    > >
    > >
    > > Kenneth/Patrick,
    > > Could you please try these patches on storm board?
    >
    > I will test the patches and let you know by Wednesday. Also, I posted
    > some comments, but Patrick should be posting his comments separately
    > later next week.

    Srinivas,

    After applying the patches, audio playback is no longer functional on
    the storm board. Give me some time to debug this and I will get back
    to you.

    --
    Kenneth Westfield
    Qualcomm Innovation Center, Inc.
    The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
    a Linux Foundation Collaborative Project


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