linux-kernel - Re: [alsa-devel] [PATCH v4 12/15] soundwire: cdns: Add sdw_master

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Date:   Sun, 3 Dec 2017 22:40:14 +0530
From:   Vinod Koul <vinod.koul@...el.com>
To:     Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        LKML <linux-kernel@...r.kernel.org>,
        ALSA <alsa-devel@...a-project.org>, Mark <broonie@...nel.org>,
        Takashi <tiwai@...e.de>, patches.audio@...el.com,
        alan@...ux.intel.com,
        Charles Keepax <ckeepax@...nsource.cirrus.com>,
        Sagar Dharia <sdharia@...eaurora.org>,
        srinivas.kandagatla@...aro.org, plai@...eaurora.org,
        Sudheer Papothi <spapothi@...eaurora.org>
Subject: Re: [alsa-devel] [PATCH v4 12/15] soundwire: cdns: Add
 sdw_master_ops and IO transfer support

On Fri, Dec 01, 2017 at 06:02:24PM -0600, Pierre-Louis Bossart wrote:
> 
> >  struct sdw_cdns {
> >  	struct device *dev;
> >  	struct sdw_bus bus;
> >  	unsigned int instance;
> >+	u32 response_buf[0x80];
> 
> last nit-pick: use a #define for the size.

okay last one huh :) yeah will add.

> Also are you sure about the value? I vaguely recall that the FIFO was
> 32-deep, you are confusing bytes and words here?

I dont think this is related to FIFO depth, this is buffer to hold values.
Will check though..

-- 
~Vinod