---
name: "drm_edid_to_speaker_allocation"
section: "9"
platform: "linux"
package: "linux-manual-3.16"
version: "3.16.56-1+deb8u1"
release: "Debian 8 (Jessie)"
platforms: ["linux"]
url: "https://new.carta.tech/drm_edid_to_speaker_allocation"
---

# drm\_edid\_to\_speaker\_allocation(9)

extracts Speaker Allocation Data Blocks from EDID

## NAME

drm\_edid\_to\_speaker\_allocation - extracts Speaker Allocation Data Blocks from EDID

## SYNOPSIS

**int drm\_edid\_to\_speaker\_allocation(struct edid \*** *edid***, u8 \*\*** *sadb***);**

## ARGUMENTS

*edid*

EDID to parse

*sadb*

pointer to the speaker block

## DESCRIPTION

Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it.

## NOTE

The returned pointer needs to be freed using **kfree**.

## RETURN

The number of found Speaker Allocation Blocks or negative number on error.

## AUTHORS

**Jesse Barnes** \<jesse.barnes@intel.com\>\
 Intel Corporation,

Initial version

**Laurent Pinchart** \<laurent.pinchart@ideasonboard.com\>\
 Ideas on board SPRL,

Driver internals

**Daniel Vetter** \<daniel.vetter@ffwll.ch\>\
 Intel Corporation,

Contributions all over the place

## COPYRIGHT