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V4L/DVB (8639): saa6752hs: cleanup and add AC-3 support

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Cleaned up the saa6752hs i2c driver.
Add AC-3 support.
Add VIDIOC_CHIP_IDENT support.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil
2008-08-08 12:43:59 -03:00
committed by Mauro Carvalho Chehab
parent 1e55126666
commit e281db5862
4 changed files with 195 additions and 104 deletions
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6
drivers/media/video/v4l2-common.c
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@@ -637,13 +637,17 @@ int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl)
EXPORT_SYMBOL(v4l2_ctrl_query_fill_std);
/* Fill in a struct v4l2_querymenu based on the struct v4l2_queryctrl and
the menu. The qctrl pointer may be NULL, in which case it is ignored. */
the menu. The qctrl pointer may be NULL, in which case it is ignored.
If menu_items is NULL, then the menu items are retrieved using
v4l2_ctrl_get_menu. */
int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu, struct v4l2_queryctrl *qctrl,
const char **menu_items)
{
int i;
qmenu->reserved = 0;
if (menu_items == NULL)
menu_items = v4l2_ctrl_get_menu(qmenu->id);
if (menu_items == NULL ||
(qctrl && (qmenu->index < qctrl->minimum || qmenu->index > qctrl->maximum)))
return -EINVAL;