linux-kernel - Re: [alsa-devel] [PATCH v2 5/6] sound/usb: pcm changes to use media token api

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Message-ID: <543FC3CD.8050805@osg.samsung.com>
Date:	Thu, 16 Oct 2014 07:10:37 -0600
From:	Shuah Khan <shuahkh@....samsung.com>
To:	Lars-Peter Clausen <lars@...afoo.de>, m.chehab@...sung.com,
	akpm@...ux-foundation.org, gregkh@...uxfoundation.org,
	crope@....fi, olebowle@....com, dheitmueller@...nellabs.com,
	hverkuil@...all.nl, ramakrmu@...co.com,
	sakari.ailus@...ux.intel.com, laurent.pinchart@...asonboard.com,
	perex@...ex.cz, tiwai@...e.de, prabhakar.csengg@...il.com,
	tim.gardner@...onical.com, linux@...elenboom.it
CC:	linux-kernel@...r.kernel.org, alsa-devel@...a-project.org,
	linux-media@...r.kernel.org
Subject: Re: [alsa-devel] [PATCH v2 5/6] sound/usb: pcm changes to use media
 token api

On 10/16/2014 06:00 AM, Lars-Peter Clausen wrote:
> On 10/14/2014 04:58 PM, Shuah Khan wrote:
> [...]
>>       switch (cmd) {
>>       case SNDRV_PCM_TRIGGER_START:
>> +        err = media_get_audio_tkn(&subs->dev->dev);
>> +        if (err == -EBUSY) {
>> +            dev_info(&subs->dev->dev, "%s device is busy\n",
>> +                    __func__);
> 
> In my opinion this should not dev_info() as this is out of band error
> signaling and also as the potential to spam the log. The userspace
> application is already properly notified by the return code.
> 

Yes it has the potential to flood the dmesg especially with alsa,
I will remove the dev_info().

thanks,
-- Shuah

-- 
Shuah Khan
Sr. Linux Kernel Developer
Samsung Research America (Silicon Valley)
shuahkh@....samsung.com | (970) 217-8978
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