linux-kernel - Re: [PATCH v7 0/3] ASoC: cygnus: Add audio support for Broadcom Cygnus SoC

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Date:	Thu, 19 May 2016 13:35:46 -0700
From:	Scott Branden <scott.branden@...adcom.com>
To:	Simran Rai <simran.rai@...adcom.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>, Ray Jui <rjui@...adcom.com>,
	Scott Branden <sbranden@...adcom.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc:	Lori Hikichi <lhikichi@...adcom.com>, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	bcm-kernel-feedback-list@...adcom.com,
	linux-kernel@...r.kernel.org,
	Arun Parameswaran <arunp@...adcom.com>,
	alsa-devel@...a-project.org,
	Simran <ssimran@...mn-ssimran-lnxub64.ric.broadcom.com>
Subject: Re: [PATCH v7 0/3] ASoC: cygnus: Add audio support for Broadcom
 Cygnus SoC

Looks good Simran.

Mark, anything else for us to do before this driver can be accepted 
upstream?

On 16-05-17 12:46 PM, Simran Rai wrote:
> From: Simran <ssimran@...mn-ssimran-lnxub64.ric.broadcom.com>
>
> Hi,
>
> This patchset contains audio support for Broadcom's Cygnus SoC.
> It contains DT bindings and core audio driver. The audio driver supports
> both capture and playback of Audio PCM samples over I2S/TDM interface and
> provides playback support over SPDIF interface.
>
> This patchset is derived from a previously submitted patchset:
> http://lkml.iu.edu/hypermail/linux/kernel/1503.3/05434.html
>
> This patchset has been tested on Cygnus wireless audio bcm958305K board.
> It is based on v4.6-rc1 and is available from github:
>
> repo: https://github.com/Broadcom/cygnus-linux/tree/cygnus-sound-v7
>
> Changes from v6:
> - DT bindings acknowledged by Rob Herring
> Changes from v5:
> - Fix code style, e.g. change "if" statements to "switch" statements
> - Fix SPDIF output enable register field
> - Set BUFFER_PAIR_ENABLE for both mono, stereo and TDM modes
> - Reflect PCM bit formats for SPDIF, SSP and TDM as supported by
> hardware
> Changes from v4:
> - Fix power suspend function and add power resume function
> - Move clock initialization code from audio driver to clock framework
> Changes from v3:
> - Fix the subject lines to match the style for the subsystem
> Changes from v2:
> - Split patchset 2/2 from v2 into patchsets 2/3 and 3/3.
> - Remove SND_SOC_CYGNUS_DIAG. Diagnostics can be performed using
> standard kernel trace infrastructure.
> - Fix interrupt handler. Acknowledge only those interrupts that are
> handledby ISR.
> - Modify configure_vco() and the pll_macro_entry() struct to make it
> better readable. The functionality did not change.
> - Remove casts on macros
> - Remove surround sound channel grouping from the driver.
> Changes from v1:
> - Address code review comments. Fix print format of type size_t and
> pointer.
>
> Simran Rai (3):
>    ASoC: cygnus: Add DT bindings for Broadcom Cygnus audio
>    ASoC: cygnus: Add Cygnus audio DAI driver
>    ASoC: cygnus: Add Cygnus audio DMA driver
>
>   .../bindings/sound/brcm,cygnus-audio.txt           |   67 +
>   sound/soc/bcm/Kconfig                              |    9 +
>   sound/soc/bcm/Makefile                             |    5 +
>   sound/soc/bcm/cygnus-pcm.c                         |  861 +++++++++++
>   sound/soc/bcm/cygnus-ssp.c                         | 1529 ++++++++++++++++++++
>   sound/soc/bcm/cygnus-ssp.h                         |  139 ++
>   6 files changed, 2610 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/sound/brcm,cygnus-audio.txt
>   create mode 100644 sound/soc/bcm/cygnus-pcm.c
>   create mode 100644 sound/soc/bcm/cygnus-ssp.c
>   create mode 100644 sound/soc/bcm/cygnus-ssp.h
>