diff options
| author | Hans Verkuil <hverkuil@xs4all.nl> | 2009-03-08 21:04:38 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-30 17:43:21 +0200 |
| commit | 1cd3c0fa927084549005fc22e54d99684b314f14 (patch) | |
| tree | ffec4f2829239216640983e0102f4638493a1140 /drivers/media/video/bt819.c | |
| parent | V4L/DVB (11021): v4l2-device: add a notify callback. (diff) | |
| download | linux-1cd3c0fa927084549005fc22e54d99684b314f14.tar.xz linux-1cd3c0fa927084549005fc22e54d99684b314f14.zip | |
V4L/DVB (11022): zoran/bt819: use new notify functionality.
Bt819 needs the parent driver to drive a GPIO pin low and high in order to
reset its fifo. Use the new notify callback for this.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/bt819.c')
| -rw-r--r-- | drivers/media/video/bt819.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/media/video/bt819.c b/drivers/media/video/bt819.c index e0d8e2b186d1..217294d56414 100644 --- a/drivers/media/video/bt819.c +++ b/drivers/media/video/bt819.c @@ -32,13 +32,14 @@ #include <linux/types.h> #include <linux/ioctl.h> #include <linux/delay.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <linux/i2c.h> #include <linux/i2c-id.h> #include <linux/videodev2.h> #include <media/v4l2-device.h> #include <media/v4l2-chip-ident.h> #include <media/v4l2-i2c-drv.h> +#include <media/bt819.h> MODULE_DESCRIPTION("Brooktree-819 video decoder driver"); MODULE_AUTHOR("Mike Bernson & Dave Perks"); @@ -250,7 +251,11 @@ static int bt819_s_std(struct v4l2_subdev *sd, v4l2_std_id std) v4l2_dbg(1, debug, sd, "set norm %llx\n", (unsigned long long)std); + if (sd->v4l2_dev == NULL || sd->v4l2_dev->notify == NULL) + v4l2_err(sd, "no notify found!\n"); + if (std & V4L2_STD_NTSC) { + v4l2_subdev_notify(sd, BT819_FIFO_RESET_LOW, 0); bt819_setbit(decoder, 0x01, 0, 1); bt819_setbit(decoder, 0x01, 1, 0); bt819_setbit(decoder, 0x01, 5, 0); @@ -259,6 +264,7 @@ static int bt819_s_std(struct v4l2_subdev *sd, v4l2_std_id std) /* bt819_setbit(decoder, 0x1a, 5, 1); */ timing = &timing_data[1]; } else if (std & V4L2_STD_PAL) { + v4l2_subdev_notify(sd, BT819_FIFO_RESET_LOW, 0); bt819_setbit(decoder, 0x01, 0, 1); bt819_setbit(decoder, 0x01, 1, 1); bt819_setbit(decoder, 0x01, 5, 1); @@ -283,6 +289,7 @@ static int bt819_s_std(struct v4l2_subdev *sd, v4l2_std_id std) bt819_write(decoder, 0x08, (timing->hscale >> 8) & 0xff); bt819_write(decoder, 0x09, timing->hscale & 0xff); decoder->norm = std; + v4l2_subdev_notify(sd, BT819_FIFO_RESET_HIGH, 0); return 0; } @@ -295,7 +302,11 @@ static int bt819_s_routing(struct v4l2_subdev *sd, const struct v4l2_routing *ro if (route->input < 0 || route->input > 7) return -EINVAL; + if (sd->v4l2_dev == NULL || sd->v4l2_dev->notify == NULL) + v4l2_err(sd, "no notify found!\n"); + if (decoder->input != route->input) { + v4l2_subdev_notify(sd, BT819_FIFO_RESET_LOW, 0); decoder->input = route->input; /* select mode */ if (decoder->input == 0) { @@ -305,6 +316,7 @@ static int bt819_s_routing(struct v4l2_subdev *sd, const struct v4l2_routing *ro bt819_setbit(decoder, 0x0b, 6, 1); bt819_setbit(decoder, 0x1a, 1, 0); } + v4l2_subdev_notify(sd, BT819_FIFO_RESET_HIGH, 0); } return 0; } |