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V4L/DVB (9787): soc-camera: let camera host drivers decide upon pixel format

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Pixel format requested by the user is not necessarily the same, as what
a sensor driver provides. There are situations, when a camera host driver
provides the required format, but requires a different format from the
sensor. Further, the list of formats, supported by sensors is pretty static
and can be pretty good described with a constant list of structures. Whereas
decisions, made by camera host drivers to support requested formats can be
quite complex, therefore it is better to let the host driver do the work.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Guennadi Liakhovetski
2008-12-01 09:44:59 -03:00
committed by Mauro Carvalho Chehab
parent abe4c47103
commit 25c4d74ea6
4 changed files with 87 additions and 38 deletions
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3
include/media/soc_camera.h
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@@ -105,6 +105,9 @@ extern void soc_camera_device_unregister(struct soc_camera_device *icd);
extern int soc_camera_video_start(struct soc_camera_device *icd);
extern void soc_camera_video_stop(struct soc_camera_device *icd);
extern const struct soc_camera_data_format *soc_camera_format_by_fourcc(
struct soc_camera_device *icd, unsigned int fourcc);
struct soc_camera_data_format {
const char *name;
unsigned int depth;