linux-kernel - Re: [PATCH 0/9] N900 Modem Speech Support

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Date:	Mon, 2 Mar 2015 20:05:31 +0100
From:	Pali Rohár <pali.rohar@...il.com>
To:	Sebastian Reichel <sre@...nel.org>
Cc:	Peter Ujfalusi <peter.ujfalusi@...com>,
	Kai Vehmanen <kvcontact@...ignal.fi>,
	Pavel Machek <pavel@....cz>,
	Aaro Koskinen <aaro.koskinen@....fi>,
	Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>,
	linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-api@...r.kernel.org
Subject: Re: [PATCH 0/9] N900 Modem Speech Support

On Monday 02 March 2015 05:38:50 Sebastian Reichel wrote:
> Hi,
> 
> This patchset contains the missing speech data support for the
> Nokia N900 modem.
> 
> Userland access goes via /dev/cmt_speech. The API is
> implemented in libcmtspeechdata, which is used by ofono and
> the freesmartphone.org project. Apart from that the device is
> also used by the phone binaries distributed with Maemo. So
> while this is a new userland ABI for the mainline kernel it
> has been tested in the wild for some years.
> 
> Simple Testing of the API can be done by checking out
> libcmtspeechdata [0], building the test tool and executing
> it. The tool will loop back audio data received from the
> caller.
> 
> I have prepared a kernel branch, which includes these changes
> at [1].
> 
> [0] https://lkml.org/lkml/2015/2/11/526
> [1]
> git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi.g
> it branch/cmt-speech
> 
> -- Sebastian
> 
> Kai Vehmanen (3):
>   HSI: cmt_speech: Add cmt-speech driver
>   HSI: cmt_speech: Avoid GFP_ATOMIC in cs_char_open
>   HSI: cmt_speech: Return error if HSI port not configured
> 
> Sebastian Reichel (6):
>   HSI: cmt_speech: Fix build for 4.0 kernel
>   HSI: cmt_speech: Cleanup initialisation
>   HSI: cmt_speech: Rename driver to cmt-speech
>   HSI: cmt_speech: Move cs-protocol.h to
> include/uapi/linux/hsi HSI: cmt_speech: Remove hardcoded
> channel numbers
>   HSI: nokia-modem: Add cmt_speech support
> 
>  drivers/hsi/clients/Kconfig          |   11 +-
>  drivers/hsi/clients/Makefile         |    1 +
>  drivers/hsi/clients/cmt_speech.c     | 1451
> ++++++++++++++++++++++++++++++++++
> drivers/hsi/clients/nokia-modem.c    |   31 +-
>  include/uapi/linux/hsi/Kbuild        |    2 +-
>  include/uapi/linux/hsi/cs-protocol.h |  113 +++
>  6 files changed, 1606 insertions(+), 3 deletions(-)
>  create mode 100644 drivers/hsi/clients/cmt_speech.c
>  create mode 100644 include/uapi/linux/hsi/cs-protocol.h

Hello, do you have also DT patches? Or no DT changes are needed?

Is this cmt_speech version one from linux-n900 git tree? or it is 
new or modified?

-- 
Pali Rohár
pali.rohar@...il.com

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