From 025c18a19d7d7eb8745d25986f982a5f35a85157 Mon Sep 17 00:00:00 2001 From: Guennadi Liakhovetski Date: Fri, 13 Mar 2009 06:08:20 -0300 Subject: V4L/DVB (11027): soc-camera: configure drivers with a default format at probe time Currently soc-camera doesn't set up any image format without an explicit S_FMT. According to the API this should be supported, for example, capture-example.c from v4l2-apps by default doesn't issue an S_FMT. This patch moves negotiating of available host-camera format translations to probe() time, and restores the state from the last close() on the next open(). This is needed for some drivers, which power down or reset hardware after the last user closes the interface. This patch also has a nice side-effect of avoiding multiple allocation anf freeing of format translation tables. Signed-off-by: Guennadi Liakhovetski Signed-off-by: Mauro Carvalho Chehab --- include/media/soc_camera.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/media') diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h index e9eb60740aaa..013c81875d76 100644 --- a/include/media/soc_camera.h +++ b/include/media/soc_camera.h @@ -45,6 +45,7 @@ struct soc_camera_device { int num_formats; struct soc_camera_format_xlate *user_formats; int num_user_formats; + enum v4l2_field field; /* Preserve field over close() */ struct module *owner; void *host_priv; /* Per-device host private data */ /* soc_camera.c private count. Only accessed with .video_lock held */ -- cgit v1.2.3-55-g7522