linux-kernel - Re: [PATCH 01/31] uapi/media.h: Declare interface types for ALSA

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Date:	Mon, 1 Feb 2016 09:07:51 -0700
From:	Shuah Khan <shuahkh@....samsung.com>
To:	Mauro Carvalho Chehab <mchehab@....samsung.com>, tiwai@...e.com
Cc:	clemens@...isch.de, hans.verkuil@...co.com,
	laurent.pinchart@...asonboard.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,
	dan.carpenter@...cle.com, tvboxspy@...il.com, crope@....fi,
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	k.kozlowski@...sung.com, stefanr@...6.in-berlin.de,
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	misterpib@...il.com, daniel@...que.org, gtmkramer@...all.nl,
	normalperson@...t.net, joe@...po.co.uk, linuxbugs@...tgam.net,
	johan@...ud.se, linux-kernel@...r.kernel.org,
	linux-media@...r.kernel.org, linux-api@...r.kernel.org,
	alsa-devel@...a-project.org
Subject: Re: [PATCH 01/31] uapi/media.h: Declare interface types for ALSA

On 01/28/2016 07:59 AM, Mauro Carvalho Chehab wrote:
> Em Wed,  6 Jan 2016 13:26:50 -0700
> Shuah Khan <shuahkh@....samsung.com> escreveu:
> 
>> From: Mauro Carvalho Chehab <mchehab@....samsung.com>
>>
>> Declare the interface types to be used on alsa for the new
>> G_TOPOLOGY ioctl.
>>
>> Signed-off-by: Mauro Carvalho Chehab <mchehab@....samsung.com>
>> ---
>>  drivers/media/media-entity.c | 12 ++++++++++++
>>  include/uapi/linux/media.h   |  8 ++++++++
>>  2 files changed, 20 insertions(+)
>>
>> diff --git a/drivers/media/media-entity.c b/drivers/media/media-entity.c
>> index eb38bc3..6e02d19 100644
>> --- a/drivers/media/media-entity.c
>> +++ b/drivers/media/media-entity.c
>> @@ -65,6 +65,18 @@ static inline const char *intf_type(struct media_interface *intf)
>>  		return "v4l2-subdev";
>>  	case MEDIA_INTF_T_V4L_SWRADIO:
>>  		return "swradio";
>> +	case MEDIA_INTF_T_ALSA_PCM_CAPTURE:
>> +		return "pcm-capture";
>> +	case MEDIA_INTF_T_ALSA_PCM_PLAYBACK:
>> +		return "pcm-playback";
>> +	case MEDIA_INTF_T_ALSA_CONTROL:
>> +		return "alsa-control";
>> +	case MEDIA_INTF_T_ALSA_COMPRESS:
>> +		return "compress";
>> +	case MEDIA_INTF_T_ALSA_RAWMIDI:
>> +		return "rawmidi";
>> +	case MEDIA_INTF_T_ALSA_HWDEP:
>> +		return "hwdep";
>>  	default:
>>  		return "unknown-intf";
>>  	}
>> diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h
>> index cacfceb..75cbe92 100644
>> --- a/include/uapi/linux/media.h
>> +++ b/include/uapi/linux/media.h
>> @@ -252,6 +252,7 @@ struct media_links_enum {
>>  
>>  #define MEDIA_INTF_T_DVB_BASE	0x00000100
>>  #define MEDIA_INTF_T_V4L_BASE	0x00000200
>> +#define MEDIA_INTF_T_ALSA_BASE	0x00000300
>>  
>>  /* Interface types */
>>  
>> @@ -267,6 +268,13 @@ struct media_links_enum {
>>  #define MEDIA_INTF_T_V4L_SUBDEV (MEDIA_INTF_T_V4L_BASE + 3)
>>  #define MEDIA_INTF_T_V4L_SWRADIO (MEDIA_INTF_T_V4L_BASE + 4)
>>  
>> +#define MEDIA_INTF_T_ALSA_PCM_CAPTURE   (MEDIA_INTF_T_ALSA_BASE)
>> +#define MEDIA_INTF_T_ALSA_PCM_PLAYBACK  (MEDIA_INTF_T_ALSA_BASE + 1)
>> +#define MEDIA_INTF_T_ALSA_CONTROL       (MEDIA_INTF_T_ALSA_BASE + 2)
>> +#define MEDIA_INTF_T_ALSA_COMPRESS      (MEDIA_INTF_T_ALSA_BASE + 3)
>> +#define MEDIA_INTF_T_ALSA_RAWMIDI       (MEDIA_INTF_T_ALSA_BASE + 4)
>> +#define MEDIA_INTF_T_ALSA_HWDEP         (MEDIA_INTF_T_ALSA_BASE + 5)
> 
> Patch looks ok, but please document the new media interfaces at KernelDoc
> documentation.
> 

Hi Takashi,

If you are okay with these changes, could you please
Ack this patch. I am addressing documentation comment
from Mauro.

thanks,
-- Shuah
>> +
>>  /*
>>   * MC next gen API definitions
>>   *


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