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From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Michal Simek <michal.simek@xilinx.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	devicetree@vger.kernel.org, alsa-devel@alsa-project.org,
	Maruthi Srinivas Bayyavarapu <maruthis@xilinx.com>,
	Takashi Iwai <tiwai@suse.com>, Rob Herring <robh+dt@kernel.org>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Mark Brown <broonie@kernel.org>,
	Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
	praveenv@xilinx.com, Jaroslav Kysela <perex@perex.cz>,
	alexandre@bootlin.com, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/3] ASoC: xlnx: add Xilinx logicPD-I2S FPGA IP support
Date: Mon, 2 Sep 2019 22:21:11 +0200	[thread overview]
Message-ID: <20190902222111.045ede17@xps13> (raw)
In-Reply-To: <df36fc2d-ed62-2556-513d-158a7707d5cd@xilinx.com>

Hi Michal,

Michal Simek <michal.simek@xilinx.com> wrote on Mon, 2 Sep 2019
09:39:11 +0200:

> Hi Miquel
> 
> On 30. 08. 19 23:06, Miquel Raynal wrote:
> > This IP is very simple so this driver manage both the DAI and the PCM
> > streams, hence the presence of both components in this driver.
> > 
> > There are plenty available interruptions when capturing or playing
> > back audio that can be triggered but the only one that fits the ALSA
> > sound system is the XFER_DONE which is used to bound sound
> > periods. Other interrupts are masked. Please note that capture and
> > playback are not possible at the same time though.
> > 
> > Capture seems to work (at least it creates a file with something
> > inside) but I have no capture mechanism on the board to actually test
> > that it works correctly.
> > 
> > Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
> > ---
> > 
> > Hello,
> > 
> > This is my first contribution in the sound subsystem, I hope I've
> > understood the core but I might be entirely wrong as well, so please
> > do not hesitate to be critical on my choices.
> > 
> > Thanks,
> > Miquèl
> > 
> >  sound/soc/xilinx/Kconfig            |   7 +
> >  sound/soc/xilinx/Makefile           |   2 +
> >  sound/soc/xilinx/xlnx-logicpd-i2s.c | 468 ++++++++++++++++++++++++++++  
> 
> What IP is this?
> https://www.xilinx.com/products/intellectual-property/audio-i2s.html
> 
> https://github.com/Xilinx/linux-xlnx/blob/master/sound/soc/xilinx/xlnx_i2s.c
> 
> Anyway I am adding Praveen and Maruthi to take a look.

Actually I have been tricked by a datasheet with the wrong title: this
is a LogicPD IP, it is not from Xilinx. I will resubmit with a new
driver name/compatible and add the relevant people.

Thanks,
Miquèl

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  reply	other threads:[~2019-09-02 20:22 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-30 21:06 [PATCH 1/3] ASoC: xlnx: add Xilinx logicPD-I2S FPGA IP support Miquel Raynal
2019-08-30 21:06 ` [PATCH 2/3] dt-bindings: sound: Add Xilinx logicPD-I2S FPGA IP bindings Miquel Raynal
2019-09-02 13:39   ` Rob Herring
2019-09-02 13:51     ` Miquel Raynal
2019-09-02 14:24       ` Rob Herring
2019-08-30 21:06 ` [PATCH 3/3] MAINTAINERS: Add an entry for the Xilinx logicPD-I2S block Miquel Raynal
2019-09-02  7:39 ` [PATCH 1/3] ASoC: xlnx: add Xilinx logicPD-I2S FPGA IP support Michal Simek
2019-09-02 20:21   ` Miquel Raynal [this message]
2019-09-03  6:51     ` Michal Simek

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