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authorHans Verkuil <hans.verkuil@cisco.com>2012-10-01 06:23:53 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-10-01 17:14:27 -0300
commit7eaf49667e23a11a1f6ec88dad51ad0e93b1445d (patch)
tree5991c6f693139ba344b54c0b6869134c8bab57e9 /drivers
parentf659f0e7a66245295e1930ad21dfabf80c1403bf (diff)
downloadlinux-7eaf49667e23a11a1f6ec88dad51ad0e93b1445d.tar.bz2
[media] ivtv: fix v4l2-compliance errors for the radio device
- fix error code when attempting to read from write-only streams. - fix error code when attempting to write to read-only streams. - don't start capturing when polling on a radio node. - give the radio node its own file operations struct. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/pci/ivtv/ivtv-fileops.c5
-rw-r--r--drivers/media/pci/ivtv/ivtv-streams.c10
2 files changed, 12 insertions, 3 deletions
diff --git a/drivers/media/pci/ivtv/ivtv-fileops.c b/drivers/media/pci/ivtv/ivtv-fileops.c
index 7f2eb5f62fd1..9caffd8aa995 100644
--- a/drivers/media/pci/ivtv/ivtv-fileops.c
+++ b/drivers/media/pci/ivtv/ivtv-fileops.c
@@ -435,7 +435,7 @@ int ivtv_start_capture(struct ivtv_open_id *id)
s->type == IVTV_DEC_STREAM_TYPE_YUV ||
s->type == IVTV_DEC_STREAM_TYPE_VOUT) {
/* you cannot read from these stream types. */
- return -EPERM;
+ return -EINVAL;
}
/* Try to claim this stream. */
@@ -564,7 +564,7 @@ static ssize_t ivtv_write(struct file *filp, const char __user *user_buf, size_t
s->type != IVTV_DEC_STREAM_TYPE_YUV &&
s->type != IVTV_DEC_STREAM_TYPE_VOUT)
/* not decoder streams */
- return -EPERM;
+ return -EINVAL;
/* Try to claim this stream */
if (ivtv_claim_stream(id, s->type))
@@ -775,6 +775,7 @@ unsigned int ivtv_v4l2_enc_poll(struct file *filp, poll_table *wait)
/* Start a capture if there is none */
if (!eof && !test_bit(IVTV_F_S_STREAMING, &s->s_flags) &&
+ s->type != IVTV_ENC_STREAM_TYPE_RAD &&
(req_events & (POLLIN | POLLRDNORM))) {
int rc;
diff --git a/drivers/media/pci/ivtv/ivtv-streams.c b/drivers/media/pci/ivtv/ivtv-streams.c
index 7b8648a827f5..3455f465ff13 100644
--- a/drivers/media/pci/ivtv/ivtv-streams.c
+++ b/drivers/media/pci/ivtv/ivtv-streams.c
@@ -65,6 +65,14 @@ static const struct v4l2_file_operations ivtv_v4l2_dec_fops = {
.poll = ivtv_v4l2_dec_poll,
};
+static const struct v4l2_file_operations ivtv_v4l2_radio_fops = {
+ .owner = THIS_MODULE,
+ .open = ivtv_v4l2_open,
+ .unlocked_ioctl = video_ioctl2,
+ .release = ivtv_v4l2_close,
+ .poll = ivtv_v4l2_enc_poll,
+};
+
#define IVTV_V4L2_DEC_MPG_OFFSET 16 /* offset from 0 to register decoder mpg v4l2 minors on */
#define IVTV_V4L2_ENC_PCM_OFFSET 24 /* offset from 0 to register pcm v4l2 minors on */
#define IVTV_V4L2_ENC_YUV_OFFSET 32 /* offset from 0 to register yuv v4l2 minors on */
@@ -116,7 +124,7 @@ static struct {
VFL_TYPE_RADIO, 0,
PCI_DMA_NONE, 1,
V4L2_CAP_RADIO | V4L2_CAP_TUNER,
- &ivtv_v4l2_enc_fops
+ &ivtv_v4l2_radio_fops
},
{ /* IVTV_DEC_STREAM_TYPE_MPG */
"decoder MPG",