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-rw-r--r--drivers/media/usb/hdpvr/Kconfig2
-rw-r--r--drivers/media/usb/hdpvr/hdpvr-control.c34
-rw-r--r--drivers/media/usb/hdpvr/hdpvr-core.c8
-rw-r--r--drivers/media/usb/hdpvr/hdpvr-video.c110
-rw-r--r--drivers/media/usb/hdpvr/hdpvr.h3
5 files changed, 74 insertions, 83 deletions
diff --git a/drivers/media/usb/hdpvr/Kconfig b/drivers/media/usb/hdpvr/Kconfig
index de247f3c7d0..d73d9a1952b 100644
--- a/drivers/media/usb/hdpvr/Kconfig
+++ b/drivers/media/usb/hdpvr/Kconfig
@@ -1,7 +1,7 @@
config VIDEO_HDPVR
tristate "Hauppauge HD PVR support"
- depends on VIDEO_DEV
+ depends on VIDEO_DEV && VIDEO_V4L2
---help---
This is a video4linux driver for Hauppauge's HD PVR USB device.
diff --git a/drivers/media/usb/hdpvr/hdpvr-control.c b/drivers/media/usb/hdpvr/hdpvr-control.c
index ae8f229d114..6053661dc04 100644
--- a/drivers/media/usb/hdpvr/hdpvr-control.c
+++ b/drivers/media/usb/hdpvr/hdpvr-control.c
@@ -45,20 +45,11 @@ int hdpvr_config_call(struct hdpvr_device *dev, uint value, u8 valbuf)
return ret < 0 ? ret : 0;
}
-struct hdpvr_video_info *get_video_info(struct hdpvr_device *dev)
+int get_video_info(struct hdpvr_device *dev, struct hdpvr_video_info *vidinf)
{
- struct hdpvr_video_info *vidinf = NULL;
-#ifdef HDPVR_DEBUG
- char print_buf[15];
-#endif
int ret;
- vidinf = kzalloc(sizeof(struct hdpvr_video_info), GFP_KERNEL);
- if (!vidinf) {
- v4l2_err(&dev->v4l2_dev, "out of memory\n");
- goto err;
- }
-
+ vidinf->valid = false;
mutex_lock(&dev->usbc_mutex);
ret = usb_control_msg(dev->udev,
usb_rcvctrlpipe(dev->udev, 0),
@@ -66,14 +57,10 @@ struct hdpvr_video_info *get_video_info(struct hdpvr_device *dev)
0x1400, 0x0003,
dev->usbc_buf, 5,
1000);
- if (ret == 5) {
- vidinf->width = dev->usbc_buf[1] << 8 | dev->usbc_buf[0];
- vidinf->height = dev->usbc_buf[3] << 8 | dev->usbc_buf[2];
- vidinf->fps = dev->usbc_buf[4];
- }
#ifdef HDPVR_DEBUG
if (hdpvr_debug & MSG_INFO) {
+ char print_buf[15];
hex_dump_to_buffer(dev->usbc_buf, 5, 16, 1, print_buf,
sizeof(print_buf), 0);
v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
@@ -82,12 +69,15 @@ struct hdpvr_video_info *get_video_info(struct hdpvr_device *dev)
#endif
mutex_unlock(&dev->usbc_mutex);
- if (!vidinf->width || !vidinf->height || !vidinf->fps) {
- kfree(vidinf);
- vidinf = NULL;
- }
-err:
- return vidinf;
+ if (ret < 0)
+ return ret;
+
+ vidinf->width = dev->usbc_buf[1] << 8 | dev->usbc_buf[0];
+ vidinf->height = dev->usbc_buf[3] << 8 | dev->usbc_buf[2];
+ vidinf->fps = dev->usbc_buf[4];
+ vidinf->valid = vidinf->width && vidinf->height && vidinf->fps;
+
+ return 0;
}
int get_input_lines_info(struct hdpvr_device *dev)
diff --git a/drivers/media/usb/hdpvr/hdpvr-core.c b/drivers/media/usb/hdpvr/hdpvr-core.c
index 8247c19d626..cb694055ba7 100644
--- a/drivers/media/usb/hdpvr/hdpvr-core.c
+++ b/drivers/media/usb/hdpvr/hdpvr-core.c
@@ -220,7 +220,6 @@ static int hdpvr_device_init(struct hdpvr_device *dev)
{
int ret;
u8 *buf;
- struct hdpvr_video_info *vidinf;
if (device_authorization(dev))
return -EACCES;
@@ -242,13 +241,6 @@ static int hdpvr_device_init(struct hdpvr_device *dev)
"control request returned %d\n", ret);
mutex_unlock(&dev->usbc_mutex);
- vidinf = get_video_info(dev);
- if (!vidinf)
- v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
- "no valid video signal or device init failed\n");
- else
- kfree(vidinf);
-
/* enable fan and bling leds */
mutex_lock(&dev->usbc_mutex);
buf[0] = 0x1;
diff --git a/drivers/media/usb/hdpvr/hdpvr-video.c b/drivers/media/usb/hdpvr/hdpvr-video.c
index 774ba0e820b..4f8567aa99d 100644
--- a/drivers/media/usb/hdpvr/hdpvr-video.c
+++ b/drivers/media/usb/hdpvr/hdpvr-video.c
@@ -277,44 +277,50 @@ error:
static int hdpvr_start_streaming(struct hdpvr_device *dev)
{
int ret;
- struct hdpvr_video_info *vidinf;
+ struct hdpvr_video_info vidinf;
if (dev->status == STATUS_STREAMING)
return 0;
- else if (dev->status != STATUS_IDLE)
+ if (dev->status != STATUS_IDLE)
return -EAGAIN;
- vidinf = get_video_info(dev);
+ ret = get_video_info(dev, &vidinf);
+ if (ret < 0)
+ return ret;
- if (vidinf) {
- v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
- "video signal: %dx%d@%dhz\n", vidinf->width,
- vidinf->height, vidinf->fps);
- kfree(vidinf);
-
- /* start streaming 2 request */
- ret = usb_control_msg(dev->udev,
- usb_sndctrlpipe(dev->udev, 0),
- 0xb8, 0x38, 0x1, 0, NULL, 0, 8000);
- v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
- "encoder start control request returned %d\n", ret);
+ if (!vidinf.valid) {
+ msleep(250);
+ v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
+ "no video signal at input %d\n", dev->options.video_input);
+ return -EAGAIN;
+ }
- hdpvr_config_call(dev, CTRL_START_STREAMING_VALUE, 0x00);
+ v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
+ "video signal: %dx%d@%dhz\n", vidinf.width,
+ vidinf.height, vidinf.fps);
- dev->status = STATUS_STREAMING;
+ /* start streaming 2 request */
+ ret = usb_control_msg(dev->udev,
+ usb_sndctrlpipe(dev->udev, 0),
+ 0xb8, 0x38, 0x1, 0, NULL, 0, 8000);
+ v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
+ "encoder start control request returned %d\n", ret);
+ if (ret < 0)
+ return ret;
- INIT_WORK(&dev->worker, hdpvr_transmit_buffers);
- queue_work(dev->workqueue, &dev->worker);
+ ret = hdpvr_config_call(dev, CTRL_START_STREAMING_VALUE, 0x00);
+ if (ret)
+ return ret;
- v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
- "streaming started\n");
+ dev->status = STATUS_STREAMING;
- return 0;
- }
- msleep(250);
- v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
- "no video signal at input %d\n", dev->options.video_input);
- return -EAGAIN;
+ INIT_WORK(&dev->worker, hdpvr_transmit_buffers);
+ queue_work(dev->workqueue, &dev->worker);
+
+ v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
+ "streaming started\n");
+
+ return 0;
}
@@ -606,22 +612,20 @@ static int vidioc_g_std(struct file *file, void *_fh,
static int vidioc_querystd(struct file *file, void *_fh, v4l2_std_id *a)
{
struct hdpvr_device *dev = video_drvdata(file);
- struct hdpvr_video_info *vid_info;
+ struct hdpvr_video_info vid_info;
struct hdpvr_fh *fh = _fh;
+ int ret;
- *a = V4L2_STD_ALL;
+ *a = V4L2_STD_UNKNOWN;
if (dev->options.video_input == HDPVR_COMPONENT)
return fh->legacy_mode ? 0 : -ENODATA;
- vid_info = get_video_info(dev);
- if (vid_info == NULL)
- return 0;
- if (vid_info->width == 720 &&
- (vid_info->height == 480 || vid_info->height == 576)) {
- *a = (vid_info->height == 480) ?
+ ret = get_video_info(dev, &vid_info);
+ if (vid_info.valid && vid_info.width == 720 &&
+ (vid_info.height == 480 || vid_info.height == 576)) {
+ *a = (vid_info.height == 480) ?
V4L2_STD_525_60 : V4L2_STD_625_50;
}
- kfree(vid_info);
- return 0;
+ return ret;
}
static int vidioc_s_dv_timings(struct file *file, void *_fh,
@@ -665,7 +669,7 @@ static int vidioc_query_dv_timings(struct file *file, void *_fh,
{
struct hdpvr_device *dev = video_drvdata(file);
struct hdpvr_fh *fh = _fh;
- struct hdpvr_video_info *vid_info;
+ struct hdpvr_video_info vid_info;
bool interlaced;
int ret = 0;
int i;
@@ -673,10 +677,12 @@ static int vidioc_query_dv_timings(struct file *file, void *_fh,
fh->legacy_mode = false;
if (dev->options.video_input)
return -ENODATA;
- vid_info = get_video_info(dev);
- if (vid_info == NULL)
+ ret = get_video_info(dev, &vid_info);
+ if (ret)
+ return ret;
+ if (!vid_info.valid)
return -ENOLCK;
- interlaced = vid_info->fps <= 30;
+ interlaced = vid_info.fps <= 30;
for (i = 0; i < ARRAY_SIZE(hdpvr_dv_timings); i++) {
const struct v4l2_bt_timings *bt = &hdpvr_dv_timings[i].bt;
unsigned hsize;
@@ -688,17 +694,17 @@ static int vidioc_query_dv_timings(struct file *file, void *_fh,
bt->il_vfrontporch + bt->il_vsync + bt->il_vbackporch +
bt->height;
fps = (unsigned)bt->pixelclock / (hsize * vsize);
- if (bt->width != vid_info->width ||
- bt->height != vid_info->height ||
+ if (bt->width != vid_info.width ||
+ bt->height != vid_info.height ||
bt->interlaced != interlaced ||
- (fps != vid_info->fps && fps + 1 != vid_info->fps))
+ (fps != vid_info.fps && fps + 1 != vid_info.fps))
continue;
*timings = hdpvr_dv_timings[i];
break;
}
if (i == ARRAY_SIZE(hdpvr_dv_timings))
ret = -ERANGE;
- kfree(vid_info);
+
return ret;
}
@@ -988,6 +994,7 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *_fh,
{
struct hdpvr_device *dev = video_drvdata(file);
struct hdpvr_fh *fh = _fh;
+ int ret;
/*
* The original driver would always returns the current detected
@@ -1000,14 +1007,15 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *_fh,
* last set format.
*/
if (fh->legacy_mode) {
- struct hdpvr_video_info *vid_info;
+ struct hdpvr_video_info vid_info;
- vid_info = get_video_info(dev);
- if (!vid_info)
+ ret = get_video_info(dev, &vid_info);
+ if (ret < 0)
+ return ret;
+ if (!vid_info.valid)
return -EFAULT;
- f->fmt.pix.width = vid_info->width;
- f->fmt.pix.height = vid_info->height;
- kfree(vid_info);
+ f->fmt.pix.width = vid_info.width;
+ f->fmt.pix.height = vid_info.height;
} else {
f->fmt.pix.width = dev->width;
f->fmt.pix.height = dev->height;
diff --git a/drivers/media/usb/hdpvr/hdpvr.h b/drivers/media/usb/hdpvr/hdpvr.h
index 1478f3d5763..dc685d44cb3 100644
--- a/drivers/media/usb/hdpvr/hdpvr.h
+++ b/drivers/media/usb/hdpvr/hdpvr.h
@@ -154,6 +154,7 @@ struct hdpvr_video_info {
u16 width;
u16 height;
u8 fps;
+ bool valid;
};
enum {
@@ -303,7 +304,7 @@ int hdpvr_set_audio(struct hdpvr_device *dev, u8 input,
int hdpvr_config_call(struct hdpvr_device *dev, uint value,
unsigned char valbuf);
-struct hdpvr_video_info *get_video_info(struct hdpvr_device *dev);
+int get_video_info(struct hdpvr_device *dev, struct hdpvr_video_info *vid_info);
/* :0 s b8 81 1800 0003 0003 3 < */
/* :0 0 3 = 0301ff */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-01-14 10:05:55 +0000