[alsa-devel] [PATCH v2 11/14] drm/edid: Add API to help find connection type

[Subhransu S. Prusty]

On Thu, Dec 03, 2015 at 05:16:34PM +0100, Takashi Iwai wrote:
> On Thu, 03 Dec 2015 22:08:59 +0100,
> Subhransu S. Prusty wrote:
> > 
> > To fill the audio infoframe it is required to identify the
> > connection type as DP or HDMI. This patch adds an API which
> > parses ELD and returns the display type of connected.
> > 
> > Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty at intel.com>
> > Signed-off-by: Vinod Koul <vinod.koul at intel.com>
> > Cc: David Airlie <airlied at linux.ie>
> > Cc: dri-devel at lists.freedesktop.org
> > Cc: Daniel Vetter <daniel.vetter at intel.com>
> > ---
> >  include/drm/drm_edid.h | 12 ++++++++++++
> >  1 file changed, 12 insertions(+)
> > 
> > diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
> > index 2af9769..072de90 100644
> > --- a/include/drm/drm_edid.h
> > +++ b/include/drm/drm_edid.h
> > @@ -403,6 +403,18 @@ static inline int drm_eld_size(const uint8_t *eld)
> >  	return DRM_ELD_HEADER_BLOCK_SIZE + eld[DRM_ELD_BASELINE_ELD_LEN] * 4;
> >  }
> >  
> > +/**
> > + * drm_eld_get_conn_type - Get device type hdmi/dp connected
> > + * @eld: pointer to an eld memory structure
> > + *
> > + * The caller need to use DRM_ELD_CONN_TYPE_HDMI or DRM_ELD_CONN_TYPE_DP to
> > + * identify the display type connected.
> 
> Constants should be marked with '%'.

Sure will add it. 

Regards,
Subhransu
> 
> 
> Takashi

--