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| author | Hans Verkuil <hverkuil@xs4all.nl> | 2009-03-29 06:26:27 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-30 12:43:47 -0300 |
| commit | 2983baf8d6c1a564b6bbcc3e142f2e9408d9cbbe (patch) | |
| tree | 2106263db61b44b4e278900714aca862730f4913 /drivers/media/video/saa7134/saa7134-video.c | |
| parent | ffe84b7a31bb39a26d74ff5a9ee921cd2c23e29c (diff) | |
| download | kernel_samsung_smdk4412-2983baf8d6c1a564b6bbcc3e142f2e9408d9cbbe.zip kernel_samsung_smdk4412-2983baf8d6c1a564b6bbcc3e142f2e9408d9cbbe.tar.gz kernel_samsung_smdk4412-2983baf8d6c1a564b6bbcc3e142f2e9408d9cbbe.tar.bz2 | |
V4L/DVB (11282): saa7134: add RDS support.
The Terratec Cinergy 600 TV MK3 supports the RDS decoder saa6588.
Add support to saa7134 for such devices.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-video.c')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-video.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c index 6a4ae89..404f70e 100644 --- a/drivers/media/video/saa7134/saa7134-video.c +++ b/drivers/media/video/saa7134/saa7134-video.c @@ -30,6 +30,7 @@ #include "saa7134-reg.h" #include "saa7134.h" #include <media/v4l2-common.h> +#include <media/rds.h> /* ------------------------------------------------------------------ */ @@ -1462,6 +1463,7 @@ static int video_release(struct file *file) { struct saa7134_fh *fh = file->private_data; struct saa7134_dev *dev = fh->dev; + struct rds_command cmd; unsigned long flags; /* turn off overlay */ @@ -1495,6 +1497,8 @@ static int video_release(struct file *file) saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0); saa_call_all(dev, core, s_standby, 0); + if (fh->radio) + saa_call_all(dev, core, ioctl, RDS_CMD_CLOSE, &cmd); /* free stuff */ videobuf_mmap_free(&fh->cap); @@ -1515,6 +1519,37 @@ static int video_mmap(struct file *file, struct vm_area_struct * vma) return videobuf_mmap_mapper(saa7134_queue(fh), vma); } +static ssize_t radio_read(struct file *file, char __user *data, + size_t count, loff_t *ppos) +{ + struct saa7134_fh *fh = file->private_data; + struct saa7134_dev *dev = fh->dev; + struct rds_command cmd; + + cmd.block_count = count/3; + cmd.buffer = data; + cmd.instance = file; + cmd.result = -ENODEV; + + saa_call_all(dev, core, ioctl, RDS_CMD_READ, &cmd); + + return cmd.result; +} + +static unsigned int radio_poll(struct file *file, poll_table *wait) +{ + struct saa7134_fh *fh = file->private_data; + struct saa7134_dev *dev = fh->dev; + struct rds_command cmd; + + cmd.instance = file; + cmd.event_list = wait; + cmd.result = -ENODEV; + saa_call_all(dev, core, ioctl, RDS_CMD_POLL, &cmd); + + return cmd.result; +} + /* ------------------------------------------------------------------ */ static int saa7134_try_get_set_fmt_vbi_cap(struct file *file, void *priv, @@ -2439,8 +2474,10 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = { static const struct v4l2_file_operations radio_fops = { .owner = THIS_MODULE, .open = video_open, + .read = radio_read, .release = video_release, .ioctl = video_ioctl2, + .poll = radio_poll, }; static const struct v4l2_ioctl_ops radio_ioctl_ops = { |