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Message-ID: <56D71BFF.2020104@osg.samsung.com>
Date:	Wed, 2 Mar 2016 09:59:43 -0700
From:	Shuah Khan <shuahkh@....samsung.com>
To:	Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc:	mchehab@....samsung.com, tiwai@...e.com, clemens@...isch.de,
	hans.verkuil@...co.com, sakari.ailus@...ux.intel.com,
	javier@....samsung.com, pawel@...iak.com, m.szyprowski@...sung.com,
	kyungmin.park@...sung.com, perex@...ex.cz, arnd@...db.de,
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	normalperson@...t.net, joe@...po.co.uk, linuxbugs@...tgam.net,
	johan@...ud.se, klock.android@...il.com, nenggun.kim@...sung.com,
	j.anaszewski@...sung.com, geliangtang@....com,
	"al bert"@huitsing.nl, linux-kernel@...r.kernel.org,
	linux-media@...r.kernel.org, alsa-devel@...a-project.org,
	Shuah Khan <shuahkh@....samsung.com>
Subject: Re: [PATCH v4 22/22] sound/usb: Use Media Controller API to share
 media resources

On 03/01/2016 12:53 PM, Laurent Pinchart wrote:
> Hi Shuah,
> 
> Thank you for the patch.
> 

snip

>> +struct media_mixer_ctl {
>> +	struct media_device *media_dev;
>> +	struct media_entity media_entity;
>> +	struct media_intf_devnode *intf_devnode;
>> +	struct media_link *intf_link;
>> +	struct media_pad media_pad[MEDIA_MIXER_PAD_MAX];
>> +	struct media_pipeline media_pipe;
>> +};
>> +
>> +int media_device_create(struct snd_usb_audio *chip,
>> +			struct usb_interface *iface);
>> +void media_device_delete(struct snd_usb_audio *chip);
>> +int media_stream_init(struct snd_usb_substream *subs, struct snd_pcm *pcm,
>> +			int stream);
>> +void media_stream_delete(struct snd_usb_substream *subs);
>> +int media_start_pipeline(struct snd_usb_substream *subs);
>> +void media_stop_pipeline(struct snd_usb_substream *subs);
> 
> As this API is sound-specific, would it make sense to call the functions 
> media_snd_* or something similar ? The names are very generic now, and could 
> clash with core media code.

Thanks. I renamed the interfaces. Please see patch v5
that was sent out a little while ago.

-- Shuah

> 
>> +#else
>> +static inline int media_device_create(struct snd_usb_audio *chip,
>> +				      struct usb_interface *iface)
>> +						{ return 0; }
>> +static inline void media_device_delete(struct snd_usb_audio *chip) { }
>> +static inline int media_stream_init(struct snd_usb_substream *subs,
>> +					struct snd_pcm *pcm, int stream)
>> +						{ return 0; }
>> +static inline void media_stream_delete(struct snd_usb_substream *subs) { }
>> +static inline int media_start_pipeline(struct snd_usb_substream *subs)
>> +					{ return 0; }
>> +static inline void media_stop_pipeline(struct snd_usb_substream *subs) { }
>> +#endif
>> +#endif /* __MEDIA_H */
> 


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

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