Em Wed, 6 Jan 2016 13:27:17 -0700
Shuah Khan <shuahkh@xxxxxxxxxxxxxxx> escreveu:
> Change au0828_create_media_graph() to create pad link
> between MEDIA_ENT_F_AUDIO_MIXER entity and decoder's
> AU8522_PAD_AUDIO_OUT. With mixer entity now linked to
> decoder, change to link MEDIA_ENT_F_AUDIO_CAPTURE to
> mixer's source pad.
See my comments about doing only this asynchronously on the previous
patches.
Regards,
Mauro
>
> Signed-off-by: Shuah Khan <shuahkh@xxxxxxxxxxxxxxx>
> ---
> drivers/media/usb/au0828/au0828-core.c | 17 ++++++++++++++---
> drivers/media/usb/au0828/au0828.h | 1 +
> 2 files changed, 15 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/media/usb/au0828/au0828-core.c b/drivers/media/usb/au0828/au0828-core.c
> index 722e073..886fb28 100644
> --- a/drivers/media/usb/au0828/au0828-core.c
> +++ b/drivers/media/usb/au0828/au0828-core.c
> @@ -264,6 +264,7 @@ static int au0828_create_media_graph(struct au0828_dev *dev)
> struct media_entity *entity;
> struct media_entity *tuner = NULL, *decoder = NULL;
> struct media_entity *audio_capture = NULL;
> + struct media_entity *mixer = NULL;
> int i, ret;
>
> if (!mdev)
> @@ -284,6 +285,9 @@ static int au0828_create_media_graph(struct au0828_dev *dev)
> case MEDIA_ENT_F_AUDIO_CAPTURE:
> audio_capture = entity;
> break;
> + case MEDIA_ENT_F_AUDIO_MIXER:
> + mixer = entity;
> + break;
> }
> }
>
> @@ -356,14 +360,21 @@ static int au0828_create_media_graph(struct au0828_dev *dev)
> }
> }
> }
> - if (audio_capture && !dev->audio_capture_linked) {
> - ret = media_create_pad_link(decoder, AU8522_PAD_AUDIO_OUT,
> - audio_capture, 0,
> + if (mixer && audio_capture && !dev->audio_capture_linked) {
> + ret = media_create_pad_link(mixer, 1, audio_capture, 0,
> MEDIA_LNK_FL_ENABLED);
> if (ret)
> return ret;
> dev->audio_capture_linked = 1;
> }
> + if (mixer && !dev->mixer_linked) {
> + ret = media_create_pad_link(decoder, AU8522_PAD_AUDIO_OUT,
> + mixer, 0,
> + MEDIA_LNK_FL_ENABLED);
> + if (ret)
> + return ret;
> + dev->mixer_linked = 1;
> + }
> #endif
> return 0;
> }
> diff --git a/drivers/media/usb/au0828/au0828.h b/drivers/media/usb/au0828/au0828.h
> index 3707664..b9aa74f 100644
> --- a/drivers/media/usb/au0828/au0828.h
> +++ b/drivers/media/usb/au0828/au0828.h
> @@ -289,6 +289,7 @@ struct au0828_dev {
> bool vdev_linked;
> bool vbi_linked;
> bool audio_capture_linked;
> + bool mixer_linked;
> struct media_link *active_link;
> struct media_entity *active_link_owner;
> #endif
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