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SubjectRe: [PATCH v3 02/22] uapi/media.h: Declare interface types for ALSA
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On 03/03/2016 07:59 AM, Hans Verkuil wrote:
> On 02/12/16 00:41, Shuah Khan wrote:
>> Declare the interface types to be used on alsa for
>> the new G_TOPOLOGY ioctl.
>>
>> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
>> ---
>> drivers/media/media-entity.c | 16 ++++++++++++++++
>> include/uapi/linux/media.h | 10 ++++++++++
>> 2 files changed, 26 insertions(+)
>>
>> diff --git a/drivers/media/media-entity.c b/drivers/media/media-entity.c
>> index f2e4360..6179543 100644
>> --- a/drivers/media/media-entity.c
>> +++ b/drivers/media/media-entity.c
>> @@ -65,6 +65,22 @@ 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";
>> + case MEDIA_INTF_T_ALSA_SEQUENCER:
>> + return "sequencer";
>> + case MEDIA_INTF_T_ALSA_TIMER:
>> + return "timer";
>
> Wouldn't it be better to add an 'alsa' prefix for all of these?
>
> And 'dvb-' or 'v4l2-' (or v4l-) for the others as well.
>
> Names like 'timer' are very generic. I think it would be a good idea to
> make the naming more regular and have it include the subsystem name just
> as the define does.
>
> Regards,
>
> Hans
>

Yes adding more information 'dvb-' or 'v4l2-' (or v4l-), alsa
to strings would help. I can fix all of them in a separate
patch if that is okay with you.

thanks,
-- Shuah


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

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