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提交 917ba6b0 编写于 作者: F Frank Schaefer 提交者： Mauro Carvalho Chehab
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[media] em28xx-v4l: get rid of struct em28xx_fh 

struct em28xx_fh isn't needed anymore because the only used field which is left is struct v4l2_fh fh.
Use struct v4l2_fh directly and remvove struct em28xx_fh.
Signed-off-by: NFrank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: NMauro Carvalho Chehab <m.chehab@samsung.com>
上级 5015389f
隐藏空白更改
内联 并排
Showing with 29 addition and 61 deletion
drivers/media/usb/em28xx/em28xx-video.c
浏览文件 @ 917ba6b0
......@@ -1227,8 +1227,7 @@ static void scale_to_size(struct em28xx *dev,
static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
struct em28xx *dev = video_drvdata(file);
struct em28xx_v4l2 *v4l2 = dev->v4l2;
f->fmt.pix.width = v4l2->width;
......@@ -1261,8 +1260,7 @@ static struct em28xx_fmt *format_by_fourcc(unsigned int fourcc)
static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
struct em28xx *dev = video_drvdata(file);
struct em28xx_v4l2 *v4l2 = dev->v4l2;
unsigned int width = f->fmt.pix.width;
unsigned int height = f->fmt.pix.height;
......@@ -1355,8 +1353,7 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm)
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
struct em28xx *dev = video_drvdata(file);
*norm = dev->v4l2->norm;
......@@ -1365,8 +1362,7 @@ static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm)
static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *norm)
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
struct em28xx *dev = video_drvdata(file);
v4l2_device_call_all(&dev->v4l2->v4l2_dev, 0, video, querystd, norm);
......@@ -1375,8 +1371,7 @@ static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *norm)
static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm)
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
struct em28xx *dev = video_drvdata(file);
struct em28xx_v4l2 *v4l2 = dev->v4l2;
struct v4l2_format f;
......@@ -1408,8 +1403,7 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm)
static int vidioc_g_parm(struct file *file, void *priv,
struct v4l2_streamparm *p)
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
struct em28xx *dev = video_drvdata(file);
struct em28xx_v4l2 *v4l2 = dev->v4l2;
int rc = 0;
......@@ -1427,8 +1421,7 @@ static int vidioc_g_parm(struct file *file, void *priv,
static int vidioc_s_parm(struct file *file, void *priv,
struct v4l2_streamparm *p)
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
struct em28xx *dev = video_drvdata(file);
p->parm.capture.readbuffers = EM28XX_MIN_BUF;
return v4l2_device_call_until_err(&dev->v4l2->v4l2_dev,
......@@ -1450,8 +1443,7 @@ static const char *iname[] = {
static int vidioc_enum_input(struct file *file, void *priv,
struct v4l2_input *i)
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
struct em28xx *dev = video_drvdata(file);
unsigned int n;
n = i->index;
......@@ -1479,8 +1471,7 @@ static int vidioc_enum_input(struct file *file, void *priv,
static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
struct em28xx *dev = video_drvdata(file);
*i = dev->ctl_input;
......@@ -1489,8 +1480,7 @@ static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
struct em28xx *dev = video_drvdata(file);
if (i >= MAX_EM28XX_INPUT)
return -EINVAL;
......@@ -1503,8 +1493,7 @@ static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
struct em28xx *dev = video_drvdata(file);
switch (a->index) {
case EM28XX_AMUX_VIDEO:
......@@ -1543,8 +1532,7 @@ static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a)
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
struct em28xx *dev = video_drvdata(file);
if (a->index >= MAX_EM28XX_INPUT)
return -EINVAL;
......@@ -1563,8 +1551,7 @@ static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio
static int vidioc_g_tuner(struct file *file, void *priv,
struct v4l2_tuner *t)
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
struct em28xx *dev = video_drvdata(file);
if (0 != t->index)
return -EINVAL;
......@@ -1578,8 +1565,7 @@ static int vidioc_g_tuner(struct file *file, void *priv,
static int vidioc_s_tuner(struct file *file, void *priv,
const struct v4l2_tuner *t)
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
struct em28xx *dev = video_drvdata(file);
if (0 != t->index)
return -EINVAL;
......@@ -1591,8 +1577,7 @@ static int vidioc_s_tuner(struct file *file, void *priv,
static int vidioc_g_frequency(struct file *file, void *priv,
struct v4l2_frequency *f)
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
struct em28xx *dev = video_drvdata(file);
struct em28xx_v4l2 *v4l2 = dev->v4l2;
if (0 != f->tuner)
......@@ -1606,8 +1591,7 @@ static int vidioc_s_frequency(struct file *file, void *priv,
const struct v4l2_frequency *f)
{
struct v4l2_frequency new_freq = *f;
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
struct em28xx *dev = video_drvdata(file);
struct em28xx_v4l2 *v4l2 = dev->v4l2;
if (0 != f->tuner)
......@@ -1624,8 +1608,7 @@ static int vidioc_s_frequency(struct file *file, void *priv,
static int vidioc_g_chip_info(struct file *file, void *priv,
struct v4l2_dbg_chip_info *chip)
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
struct em28xx *dev = video_drvdata(file);
if (chip->match.addr > 1)
return -EINVAL;
......@@ -1652,8 +1635,7 @@ static int em28xx_reg_len(int reg)
static int vidioc_g_register(struct file *file, void *priv,
struct v4l2_dbg_register *reg)
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
struct em28xx *dev = video_drvdata(file);
int ret;
if (reg->match.addr > 1)
......@@ -1693,8 +1675,7 @@ static int vidioc_g_register(struct file *file, void *priv,
static int vidioc_s_register(struct file *file, void *priv,
const struct v4l2_dbg_register *reg)
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
struct em28xx *dev = video_drvdata(file);
__le16 buf;
if (reg->match.addr > 1)
......@@ -1715,8 +1696,7 @@ static int vidioc_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
struct video_device *vdev = video_devdata(file);
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
struct em28xx *dev = video_drvdata(file);
struct em28xx_v4l2 *v4l2 = dev->v4l2;
strlcpy(cap->driver, "em28xx", sizeof(cap->driver));
......@@ -1761,8 +1741,7 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
static int vidioc_enum_framesizes(struct file *file, void *priv,
struct v4l2_frmsizeenum *fsize)
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
struct em28xx *dev = video_drvdata(file);
struct em28xx_fmt *fmt;
unsigned int maxw = norm_maxw(dev);
unsigned int maxh = norm_maxh(dev);
......@@ -1806,8 +1785,7 @@ static int vidioc_enum_framesizes(struct file *file, void *priv,
static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv,
struct v4l2_format *format)
{
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
struct em28xx *dev = video_drvdata(file);
struct em28xx_v4l2 *v4l2 = dev->v4l2;
format->fmt.vbi.samples_per_line = v4l2->vbi_width;
......@@ -1840,7 +1818,7 @@ static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv,
static int radio_g_tuner(struct file *file, void *priv,
struct v4l2_tuner *t)
{
struct em28xx *dev = ((struct em28xx_fh *)priv)->dev;
struct em28xx *dev = video_drvdata(file);
if (unlikely(t->index > 0))
return -EINVAL;
......@@ -1855,7 +1833,7 @@ static int radio_g_tuner(struct file *file, void *priv,
static int radio_s_tuner(struct file *file, void *priv,
const struct v4l2_tuner *t)
{
struct em28xx *dev = ((struct em28xx_fh *)priv)->dev;
struct em28xx *dev = video_drvdata(file);
if (0 != t->index)
return -EINVAL;
......@@ -1890,7 +1868,7 @@ static int em28xx_v4l2_open(struct file *filp)
struct em28xx *dev = video_drvdata(filp);
struct em28xx_v4l2 *v4l2 = dev->v4l2;
enum v4l2_buf_type fh_type = 0;
struct em28xx_fh *fh;
struct v4l2_fh *fh;
switch (vdev->vfl_type) {
case VFL_TYPE_GRABBER:
......@@ -1911,15 +1889,13 @@ static int em28xx_v4l2_open(struct file *filp)
if (mutex_lock_interruptible(&dev->lock))
return -ERESTARTSYS;
fh = kzalloc(sizeof(struct em28xx_fh), GFP_KERNEL);
fh = kzalloc(sizeof(struct v4l2_fh), GFP_KERNEL);
if (!fh) {
em28xx_errdev("em28xx-video.c: Out of memory?!\n");
mutex_unlock(&dev->lock);
return -ENOMEM;
}
v4l2_fh_init(&fh->fh, vdev);
fh->dev = dev;
fh->type = fh_type;
v4l2_fh_init(fh, vdev);
filp->private_data = fh;
if (v4l2->users == 0) {
......@@ -1945,7 +1921,7 @@ static int em28xx_v4l2_open(struct file *filp)
v4l2->users++;
mutex_unlock(&dev->lock);
v4l2_fh_add(&fh->fh);
v4l2_fh_add(fh);
return 0;
}
......@@ -2046,8 +2022,7 @@ static int em28xx_v4l2_resume(struct em28xx *dev)
*/
static int em28xx_v4l2_close(struct file *filp)
{
struct em28xx_fh *fh = filp->private_data;
struct em28xx *dev = fh->dev;
struct em28xx *dev = video_drvdata(filp);
struct em28xx_v4l2 *v4l2 = dev->v4l2;
int errCode;
......
drivers/media/usb/em28xx/em28xx.h
浏览文件 @ 917ba6b0
......@@ -576,13 +576,6 @@ struct em28xx_audio {
struct em28xx;
struct em28xx_fh {
struct v4l2_fh fh;
struct em28xx *dev;
enum v4l2_buf_type type;
};
enum em28xx_i2c_algo_type {
EM28XX_I2C_ALGO_EM28XX = 0,
EM28XX_I2C_ALGO_EM2800,
......
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