Removal of unnecessary parameters from s2255_fh.
Signed-off-by: Dean Anderson <linux-dev@xxxxxxxxxxxx>
---
drivers/media/usb/s2255/s2255drv.c | 94 +++++++++++++++++-------------------
1 file changed, 44 insertions(+), 50 deletions(-)
diff --git a/drivers/media/usb/s2255/s2255drv.c b/drivers/media/usb/s2255/s2255drv.c
index 787b591..e0663ce 100644
--- a/drivers/media/usb/s2255/s2255drv.c
+++ b/drivers/media/usb/s2255/s2255drv.c
@@ -298,9 +298,7 @@ struct s2255_buffer {
struct s2255_fh {
/* this must be the first field in this struct */
struct v4l2_fh fh;
- struct s2255_dev *dev;
struct videobuf_queue vb_vidq;
- enum v4l2_buf_type type;
struct s2255_vc *vc;
int resources;
};
@@ -673,6 +671,7 @@ static int buffer_setup(struct videobuf_queue *vq, unsigned int *nbuffers,
{
struct s2255_fh *fh = vq->priv_data;
struct s2255_vc *vc = fh->vc;
+
*size = vc->width * vc->height * (vc->fmt->depth >> 3);
if (*nbuffers < S2255_MIN_BUFS)
@@ -696,7 +695,7 @@ static int buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
int rc;
int w = vc->width;
int h = vc->height;
- dprintk(fh->dev, 4, "%s, field=%d\n", __func__, field);
+ dprintk(vc->dev, 4, "%s, field=%d\n", __func__, field);
if (vc->fmt == NULL)
return -EINVAL;
@@ -704,12 +703,12 @@ static int buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
(w > norm_maxw(vc)) ||
(h < norm_minh(vc)) ||
(h > norm_maxh(vc))) {
- dprintk(fh->dev, 4, "invalid buffer prepare\n");
+ dprintk(vc->dev, 4, "invalid buffer prepare\n");
return -EINVAL;
}
buf->vb.size = w * h * (vc->fmt->depth >> 3);
if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) {
- dprintk(fh->dev, 4, "invalid buffer prepare\n");
+ dprintk(vc->dev, 4, "invalid buffer prepare\n");
return -EINVAL;
}
@@ -735,7 +734,7 @@ static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
struct s2255_buffer *buf = container_of(vb, struct s2255_buffer, vb);
struct s2255_fh *fh = vq->priv_data;
struct s2255_vc *vc = fh->vc;
- dprintk(fh->dev, 1, "%s\n", __func__);
+ dprintk(vc->dev, 1, "%s\n", __func__);
buf->vb.state = VIDEOBUF_QUEUED;
list_add_tail(&buf->vb.queue, &vc->buf_list);
}
@@ -745,7 +744,8 @@ static void buffer_release(struct videobuf_queue *vq,
{
struct s2255_buffer *buf = container_of(vb, struct s2255_buffer, vb);
struct s2255_fh *fh = vq->priv_data;
- dprintk(fh->dev, 4, "%s %d\n", __func__, fh->vc->idx);
+ struct s2255_vc *vc = fh->vc;
+ dprintk(vc->dev, 4, "%s %d\n", __func__, vc->idx);
free_buffer(vq, buf);
}
@@ -766,7 +766,7 @@ static int res_get(struct s2255_fh *fh)
/* it's free, grab it */
vc->resources = 1;
fh->resources = 1;
- dprintk(fh->dev, 1, "s2255: res: get\n");
+ dprintk(vc->dev, 1, "s2255: res: get\n");
return 1;
}
@@ -792,7 +792,7 @@ static int vidioc_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
struct s2255_fh *fh = file->private_data;
- struct s2255_dev *dev = fh->dev;
+ struct s2255_dev *dev = fh->vc->dev;
strlcpy(cap->driver, "s2255", sizeof(cap->driver));
strlcpy(cap->card, "s2255", sizeof(cap->card));
@@ -855,7 +855,7 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
field = f->fmt.pix.field;
- dprintk(fh->dev, 50, "%s NTSC: %d suggested width: %d, height: %d\n",
+ dprintk(vc->dev, 50, "%s NTSC: %d suggested width: %d, height: %d\n",
__func__, is_ntsc, f->fmt.pix.width, f->fmt.pix.height);
if (is_ntsc) {
/* NTSC */
@@ -897,7 +897,7 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
f->fmt.pix.priv = 0;
- dprintk(fh->dev, 50, "%s: set width %d height %d field %d\n", __func__,
+ dprintk(vc->dev, 50, "%s: set width %d height %d field %d\n", __func__,
f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
return 0;
}
@@ -925,13 +925,13 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
mutex_lock(&q->vb_lock);
if (videobuf_queue_is_busy(&fh->vb_vidq)) {
- dprintk(fh->dev, 1, "queue busy\n");
+ dprintk(vc->dev, 1, "queue busy\n");
ret = -EBUSY;
goto out_s_fmt;
}
if (res_locked(fh)) {
- dprintk(fh->dev, 1, "%s: channel busy\n", __func__);
+ dprintk(vc->dev, 1, "%s: channel busy\n", __func__);
ret = -EBUSY;
goto out_s_fmt;
}
@@ -940,7 +940,6 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
vc->width = f->fmt.pix.width;
vc->height = f->fmt.pix.height;
fh->vb_vidq.field = f->fmt.pix.field;
- fh->type = f->type;
if (vc->width > norm_minw(vc)) {
if (vc->height > norm_minh(vc)) {
if (vc->cap_parm.capturemode &
@@ -1204,15 +1203,12 @@ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
int res;
struct s2255_fh *fh = priv;
- struct s2255_dev *dev = fh->dev;
struct s2255_vc *vc = fh->vc;
+ struct s2255_dev *dev = vc->dev;
int j;
+
dprintk(dev, 4, "%s\n", __func__);
- if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
- dev_err(&dev->udev->dev, "invalid fh type0\n");
- return -EINVAL;
- }
- if (i != fh->type) {
+ if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
dev_err(&dev->udev->dev, "invalid fh type1\n");
return -EINVAL;
}
@@ -1246,14 +1242,12 @@ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct s2255_fh *fh = priv;
- dprintk(fh->dev, 4, "%s\n, channel: %d", __func__, fh->vc->idx);
- if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
- dprintk(fh->dev, 1, "invalid fh type0\n");
- return -EINVAL;
- }
- if (i != fh->type)
+ struct s2255_vc *vc = fh->vc;
+ dprintk(vc->dev, 4, "%s\n, channel: %d", __func__, vc->idx);
+
+ if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
- s2255_stop_acquire(fh->vc);
+ s2255_stop_acquire(vc);
videobuf_streamoff(&fh->vb_vidq);
res_free(fh);
return 0;
@@ -1269,13 +1263,13 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id i)
mutex_lock(&q->vb_lock);
if (res_locked(fh)) {
- dprintk(fh->dev, 1, "can't change standard after started\n");
+ dprintk(vc->dev, 1, "can't change standard after started\n");
ret = -EBUSY;
goto out_s_std;
}
- mode = fh->vc->mode;
+ mode = vc->mode;
if (i & V4L2_STD_525_60) {
- dprintk(fh->dev, 4, "%s 60 Hz\n", __func__);
+ dprintk(vc->dev, 4, "%s 60 Hz\n", __func__);
/* if changing format, reset frame decimation/intervals */
if (mode.format != FORMAT_NTSC) {
mode.restart = 1;
@@ -1285,7 +1279,7 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id i)
vc->height = NUM_LINES_4CIFS_NTSC * 2;
}
} else if (i & V4L2_STD_625_50) {
- dprintk(fh->dev, 4, "%s 50 Hz\n", __func__);
+ dprintk(vc->dev, 4, "%s 50 Hz\n", __func__);
if (mode.format != FORMAT_PAL) {
mode.restart = 1;
mode.format = FORMAT_PAL;
@@ -1297,9 +1291,9 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id i)
ret = -EINVAL;
goto out_s_std;
}
- fh->vc->std = i;
+ vc->std = i;
if (mode.restart)
- s2255_set_mode(fh->vc, &mode);
+ s2255_set_mode(vc, &mode);
out_s_std:
mutex_unlock(&q->vb_lock);
return ret;
@@ -1308,8 +1302,9 @@ out_s_std:
static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *i)
{
struct s2255_fh *fh = priv;
+ struct s2255_vc *vc = fh->vc;
- *i = fh->vc->std;
+ *i = vc->std;
return 0;
}
@@ -1324,9 +1319,10 @@ static int vidioc_enum_input(struct file *file, void *priv,
struct v4l2_input *inp)
{
struct s2255_fh *fh = priv;
- struct s2255_dev *dev = fh->dev;
struct s2255_vc *vc = fh->vc;
+ struct s2255_dev *dev = vc->dev;
u32 status = 0;
+
if (inp->index != 0)
return -EINVAL;
inp->type = V4L2_INPUT_TYPE_CAMERA;
@@ -1334,7 +1330,7 @@ static int vidioc_enum_input(struct file *file, void *priv,
inp->status = 0;
if (dev->dsp_fw_ver >= S2255_MIN_DSP_STATUS) {
int rc;
- rc = s2255_cmd_status(fh->vc, &status);
+ rc = s2255_cmd_status(vc, &status);
dprintk(dev, 4, "s2255_cmd_status rc: %d status %x\n",
rc, status);
if (rc == 0)
@@ -1413,7 +1409,7 @@ static int vidioc_g_jpegcomp(struct file *file, void *priv,
memset(jc, 0, sizeof(*jc));
jc->quality = vc->jpegqual;
- dprintk(fh->dev, 2, "%s: quality %d\n", __func__, jc->quality);
+ dprintk(vc->dev, 2, "%s: quality %d\n", __func__, jc->quality);
return 0;
}
@@ -1425,7 +1421,7 @@ static int vidioc_s_jpegcomp(struct file *file, void *priv,
if (jc->quality < 0 || jc->quality > 100)
return -EINVAL;
v4l2_ctrl_s_ctrl(vc->jpegqual_ctrl, jc->quality);
- dprintk(fh->dev, 2, "%s: quality %d\n", __func__, jc->quality);
+ dprintk(vc->dev, 2, "%s: quality %d\n", __func__, jc->quality);
return 0;
}
@@ -1457,7 +1453,7 @@ static int vidioc_g_parm(struct file *file, void *priv,
sp->parm.capture.timeperframe.numerator = def_num * 5;
break;
}
- dprintk(fh->dev, 4, "%s capture mode, %d timeperframe %d/%d\n",
+ dprintk(vc->dev, 4, "%s capture mode, %d timeperframe %d/%d\n",
__func__,
sp->parm.capture.capturemode,
sp->parm.capture.timeperframe.numerator,
@@ -1499,7 +1495,7 @@ static int vidioc_s_parm(struct file *file, void *priv,
mode.fdec = fdec;
sp->parm.capture.timeperframe.denominator = def_dem;
s2255_set_mode(vc, &mode);
- dprintk(fh->dev, 4, "%s capture mode, %d timeperframe %d/%d, fdec %d\n",
+ dprintk(vc->dev, 4, "%s capture mode, %d timeperframe %d/%d, fdec %d\n",
__func__,
sp->parm.capture.capturemode,
sp->parm.capture.timeperframe.numerator,
@@ -1568,7 +1564,7 @@ static int vidioc_enum_frameintervals(struct file *file, void *priv,
fe->type = V4L2_FRMIVAL_TYPE_DISCRETE;
fe->discrete.denominator = is_ntsc ? 30000 : 25000;
fe->discrete.numerator = (is_ntsc ? 1001 : 1000) * frm_dec[fe->index];
- dprintk(fh->dev, 4, "%s discrete %d/%d\n", __func__,
+ dprintk(vc->dev, 4, "%s discrete %d/%d\n", __func__,
fe->discrete.numerator,
fe->discrete.denominator);
return 0;
@@ -1652,8 +1648,6 @@ static int __s2255_open(struct file *file)
v4l2_fh_init(&fh->fh, vdev);
v4l2_fh_add(&fh->fh);
file->private_data = &fh->fh;
- fh->dev = dev;
- fh->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
fh->vc = vc;
if (!vc->configured) {
/* configure channel to default state */
@@ -1669,7 +1663,7 @@ static int __s2255_open(struct file *file)
list_empty(&vc->buf_list));
videobuf_queue_vmalloc_init(&fh->vb_vidq, &s2255_video_qops,
NULL, &dev->slock,
- fh->type,
+ V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct s2255_buffer),
fh, vdev->lock);
@@ -1692,12 +1686,10 @@ static unsigned int s2255_poll(struct file *file,
struct poll_table_struct *wait)
{
struct s2255_fh *fh = file->private_data;
- struct s2255_dev *dev = fh->dev;
+ struct s2255_dev *dev = fh->vc->dev;
int rc = v4l2_ctrl_poll(file, wait);
dprintk(dev, 100, "%s\n", __func__);
- if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type)
- return POLLERR;
mutex_lock(&dev->lock);
rc |= videobuf_poll_stream(file, &fh->vb_vidq, wait);
mutex_unlock(&dev->lock);
@@ -1731,16 +1723,17 @@ static void s2255_destroy(struct s2255_dev *dev)
static int s2255_release(struct file *file)
{
struct s2255_fh *fh = file->private_data;
- struct s2255_dev *dev = fh->dev;
struct video_device *vdev = video_devdata(file);
struct s2255_vc *vc = fh->vc;
+ struct s2255_dev *dev = vc->dev;
+
if (!dev)
return -ENODEV;
mutex_lock(&dev->lock);
/* turn off stream */
if (res_check(fh)) {
if (vc->b_acquire)
- s2255_stop_acquire(fh->vc);
+ s2255_stop_acquire(vc);
videobuf_streamoff(&fh->vb_vidq);
res_free(fh);
}
@@ -1758,9 +1751,10 @@ static int s2255_mmap_v4l(struct file *file, struct vm_area_struct *vma)
struct s2255_fh *fh = file->private_data;
struct s2255_dev *dev;
int ret;
+
if (!fh)
return -ENODEV;
- dev = fh->dev;
+ dev = fh->vc->dev;
dprintk(dev, 4, "%s, vma=0x%08lx\n", __func__, (unsigned long)vma);
if (mutex_lock_interruptible(&dev->lock))
return -ERESTARTSYS;
--
1.7.9.5
--
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