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path: root/drivers/media/usb/em28xx/em28xx-video.c
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Diffstat (limited to 'drivers/media/usb/em28xx/em28xx-video.c')
-rw-r--r--drivers/media/usb/em28xx/em28xx-video.c163
1 files changed, 93 insertions, 70 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index 1f7fa059eb34..8d93100334ea 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -26,6 +26,8 @@
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#include "em28xx.h"
+
#include <linux/init.h>
#include <linux/list.h>
#include <linux/module.h>
@@ -37,7 +39,6 @@
#include <linux/mutex.h>
#include <linux/slab.h>
-#include "em28xx.h"
#include "em28xx-v4l.h"
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
@@ -63,18 +64,17 @@ static int alt;
module_param(alt, int, 0644);
MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint");
-#define em28xx_videodbg(fmt, arg...) do {\
- if (video_debug) \
- printk(KERN_INFO "%s %s :"fmt, \
- dev->name, __func__ , ##arg); } while (0)
+#define em28xx_videodbg(fmt, arg...) do { \
+ if (video_debug) \
+ dev_printk(KERN_DEBUG, &dev->intf->dev, \
+ "video: %s: " fmt, __func__, ## arg); \
+} while (0)
-#define em28xx_isocdbg(fmt, arg...) \
-do {\
- if (isoc_debug) { \
- printk(KERN_INFO "%s %s :"fmt, \
- dev->name, __func__ , ##arg); \
- } \
- } while (0)
+#define em28xx_isocdbg(fmt, arg...) do {\
+ if (isoc_debug) \
+ dev_printk(KERN_DEBUG, &dev->intf->dev, \
+ "isoc: %s: " fmt, __func__, ## arg); \
+} while (0)
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC " - v4l2 interface");
@@ -360,6 +360,7 @@ static int em28xx_resolution_set(struct em28xx *dev)
static int em28xx_set_alternate(struct em28xx *dev)
{
struct em28xx_v4l2 *v4l2 = dev->v4l2;
+ struct usb_device *udev = interface_to_usbdev(dev->intf);
int errCode;
int i;
unsigned int min_pkt_size = v4l2->width * 2 + 4;
@@ -411,10 +412,11 @@ set_alt:
}
em28xx_videodbg("setting alternate %d with wMaxPacketSize=%u\n",
dev->alt, dev->max_pkt_size);
- errCode = usb_set_interface(dev->udev, dev->ifnum, dev->alt);
+ errCode = usb_set_interface(udev, dev->ifnum, dev->alt);
if (errCode < 0) {
- em28xx_errdev("cannot change alternate number to %d (error=%i)\n",
- dev->alt, errCode);
+ dev_err(&dev->intf->dev,
+ "cannot change alternate number to %d (error=%i)\n",
+ dev->alt, errCode);
return errCode;
}
return 0;
@@ -505,8 +507,7 @@ static void em28xx_copy_video(struct em28xx *dev,
if ((char *)startwrite + lencopy > (char *)buf->vb_buf +
buf->length) {
- em28xx_isocdbg("Overflow of %zu bytes past buffer end"
- "(2)\n",
+ em28xx_isocdbg("Overflow of %zu bytes past buffer end(2)\n",
((char *)startwrite + lencopy) -
((char *)buf->vb_buf + buf->length));
lencopy = remain = (char *)buf->vb_buf + buf->length -
@@ -926,10 +927,11 @@ static int em28xx_enable_analog_tuner(struct em28xx *dev)
ret = media_entity_setup_link(link, flags);
if (ret) {
- pr_err("Couldn't change link %s->%s to %s. Error %d\n",
- source->name, sink->name,
- flags ? "enabled" : "disabled",
- ret);
+ dev_err(&dev->intf->dev,
+ "Couldn't change link %s->%s to %s. Error %d\n",
+ source->name, sink->name,
+ flags ? "enabled" : "disabled",
+ ret);
return ret;
} else
em28xx_videodbg("link %s->%s was %s\n",
@@ -957,14 +959,16 @@ static void em28xx_v4l2_create_entities(struct em28xx *dev)
v4l2->video_pad.flags = MEDIA_PAD_FL_SINK;
ret = media_entity_pads_init(&v4l2->vdev.entity, 1, &v4l2->video_pad);
if (ret < 0)
- pr_err("failed to initialize video media entity!\n");
+ dev_err(&dev->intf->dev,
+ "failed to initialize video media entity!\n");
if (em28xx_vbi_supported(dev)) {
v4l2->vbi_pad.flags = MEDIA_PAD_FL_SINK;
ret = media_entity_pads_init(&v4l2->vbi_dev.entity, 1,
&v4l2->vbi_pad);
if (ret < 0)
- pr_err("failed to initialize vbi media entity!\n");
+ dev_err(&dev->intf->dev,
+ "failed to initialize vbi media entity!\n");
}
/* Webcams don't have input connectors */
@@ -997,11 +1001,13 @@ static void em28xx_v4l2_create_entities(struct em28xx *dev)
ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]);
if (ret < 0)
- pr_err("failed to initialize input pad[%d]!\n", i);
+ dev_err(&dev->intf->dev,
+ "failed to initialize input pad[%d]!\n", i);
ret = media_device_register_entity(dev->media_dev, ent);
if (ret < 0)
- pr_err("failed to register input entity %d!\n", i);
+ dev_err(&dev->intf->dev,
+ "failed to register input entity %d!\n", i);
}
#endif
}
@@ -1854,10 +1860,11 @@ static int vidioc_querycap(struct file *file, void *priv,
struct video_device *vdev = video_devdata(file);
struct em28xx *dev = video_drvdata(file);
struct em28xx_v4l2 *v4l2 = dev->v4l2;
+ struct usb_device *udev = interface_to_usbdev(dev->intf);
strlcpy(cap->driver, "em28xx", sizeof(cap->driver));
strlcpy(cap->card, em28xx_boards[dev->model].name, sizeof(cap->card));
- usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
+ usb_make_path(udev, cap->bus_info, sizeof(cap->bus_info));
if (vdev->vfl_type == VFL_TYPE_GRABBER)
cap->device_caps = V4L2_CAP_READWRITE |
@@ -2048,8 +2055,9 @@ static int em28xx_v4l2_open(struct file *filp)
ret = v4l2_fh_open(filp);
if (ret) {
- em28xx_errdev("%s: v4l2_fh_open() returned error %d\n",
- __func__, ret);
+ dev_err(&dev->intf->dev,
+ "%s: v4l2_fh_open() returned error %d\n",
+ __func__, ret);
mutex_unlock(&dev->lock);
return ret;
}
@@ -2103,7 +2111,7 @@ static int em28xx_v4l2_fini(struct em28xx *dev)
if (v4l2 == NULL)
return 0;
- em28xx_info("Closing video extension\n");
+ dev_info(&dev->intf->dev, "Closing video extension\n");
mutex_lock(&dev->lock);
@@ -2114,18 +2122,18 @@ static int em28xx_v4l2_fini(struct em28xx *dev)
em28xx_v4l2_media_release(dev);
if (video_is_registered(&v4l2->radio_dev)) {
- em28xx_info("V4L2 device %s deregistered\n",
- video_device_node_name(&v4l2->radio_dev));
+ dev_info(&dev->intf->dev, "V4L2 device %s deregistered\n",
+ video_device_node_name(&v4l2->radio_dev));
video_unregister_device(&v4l2->radio_dev);
}
if (video_is_registered(&v4l2->vbi_dev)) {
- em28xx_info("V4L2 device %s deregistered\n",
- video_device_node_name(&v4l2->vbi_dev));
+ dev_info(&dev->intf->dev, "V4L2 device %s deregistered\n",
+ video_device_node_name(&v4l2->vbi_dev));
video_unregister_device(&v4l2->vbi_dev);
}
if (video_is_registered(&v4l2->vdev)) {
- em28xx_info("V4L2 device %s deregistered\n",
- video_device_node_name(&v4l2->vdev));
+ dev_info(&dev->intf->dev, "V4L2 device %s deregistered\n",
+ video_device_node_name(&v4l2->vdev));
video_unregister_device(&v4l2->vdev);
}
@@ -2154,7 +2162,7 @@ static int em28xx_v4l2_suspend(struct em28xx *dev)
if (!dev->has_video)
return 0;
- em28xx_info("Suspending video extension\n");
+ dev_info(&dev->intf->dev, "Suspending video extension\n");
em28xx_stop_urbs(dev);
return 0;
}
@@ -2167,7 +2175,7 @@ static int em28xx_v4l2_resume(struct em28xx *dev)
if (!dev->has_video)
return 0;
- em28xx_info("Resuming video extension\n");
+ dev_info(&dev->intf->dev, "Resuming video extension\n");
/* what do we do here */
return 0;
}
@@ -2181,6 +2189,7 @@ static int em28xx_v4l2_close(struct file *filp)
{
struct em28xx *dev = video_drvdata(filp);
struct em28xx_v4l2 *v4l2 = dev->v4l2;
+ struct usb_device *udev = interface_to_usbdev(dev->intf);
int errCode;
em28xx_videodbg("users=%d\n", v4l2->users);
@@ -2202,10 +2211,11 @@ static int em28xx_v4l2_close(struct file *filp)
/* set alternate 0 */
dev->alt = 0;
em28xx_videodbg("setting alternate 0\n");
- errCode = usb_set_interface(dev->udev, 0, 0);
+ errCode = usb_set_interface(udev, 0, 0);
if (errCode < 0) {
- em28xx_errdev("cannot change alternate number to "
- "0 (error=%i)\n", errCode);
+ dev_err(&dev->intf->dev,
+ "cannot change alternate number to 0 (error=%i)\n",
+ errCode);
}
}
@@ -2338,7 +2348,7 @@ static void em28xx_vdev_init(struct em28xx *dev,
vfd->tvnorms = 0;
snprintf(vfd->name, sizeof(vfd->name), "%s %s",
- dev->name, type_name);
+ dev_name(&dev->intf->dev), type_name);
video_set_drvdata(vfd, dev);
}
@@ -2422,13 +2432,12 @@ static int em28xx_v4l2_init(struct em28xx *dev)
return 0;
}
- em28xx_info("Registering V4L2 extension\n");
+ dev_info(&dev->intf->dev, "Registering V4L2 extension\n");
mutex_lock(&dev->lock);
v4l2 = kzalloc(sizeof(struct em28xx_v4l2), GFP_KERNEL);
- if (v4l2 == NULL) {
- em28xx_info("em28xx_v4l: memory allocation failed\n");
+ if (!v4l2) {
mutex_unlock(&dev->lock);
return -ENOMEM;
}
@@ -2439,9 +2448,10 @@ static int em28xx_v4l2_init(struct em28xx *dev)
#ifdef CONFIG_MEDIA_CONTROLLER
v4l2->v4l2_dev.mdev = dev->media_dev;
#endif
- ret = v4l2_device_register(&dev->udev->dev, &v4l2->v4l2_dev);
+ ret = v4l2_device_register(&dev->intf->dev, &v4l2->v4l2_dev);
if (ret < 0) {
- em28xx_errdev("Call to v4l2_device_register() failed!\n");
+ dev_err(&dev->intf->dev,
+ "Call to v4l2_device_register() failed!\n");
goto err;
}
@@ -2525,8 +2535,9 @@ static int em28xx_v4l2_init(struct em28xx *dev)
/* Configure audio */
ret = em28xx_audio_setup(dev);
if (ret < 0) {
- em28xx_errdev("%s: Error while setting audio - error [%d]!\n",
- __func__, ret);
+ dev_err(&dev->intf->dev,
+ "%s: Error while setting audio - error [%d]!\n",
+ __func__, ret);
goto unregister_dev;
}
if (dev->audio_mode.ac97 != EM28XX_NO_AC97) {
@@ -2553,16 +2564,18 @@ static int em28xx_v4l2_init(struct em28xx *dev)
/* Send a reset to other chips via gpio */
ret = em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xf7);
if (ret < 0) {
- em28xx_errdev("%s: em28xx_write_reg - msp34xx(1) failed! error [%d]\n",
- __func__, ret);
+ dev_err(&dev->intf->dev,
+ "%s: em28xx_write_reg - msp34xx(1) failed! error [%d]\n",
+ __func__, ret);
goto unregister_dev;
}
msleep(3);
ret = em28xx_write_reg(dev, EM2820_R08_GPIO_CTRL, 0xff);
if (ret < 0) {
- em28xx_errdev("%s: em28xx_write_reg - msp34xx(2) failed! error [%d]\n",
- __func__, ret);
+ dev_err(&dev->intf->dev,
+ "%s: em28xx_write_reg - msp34xx(2) failed! error [%d]\n",
+ __func__, ret);
goto unregister_dev;
}
msleep(3);
@@ -2663,8 +2676,8 @@ static int em28xx_v4l2_init(struct em28xx *dev)
ret = video_register_device(&v4l2->vdev, VFL_TYPE_GRABBER,
video_nr[dev->devno]);
if (ret) {
- em28xx_errdev("unable to register video device (error=%i).\n",
- ret);
+ dev_err(&dev->intf->dev,
+ "unable to register video device (error=%i).\n", ret);
goto unregister_dev;
}
@@ -2693,7 +2706,8 @@ static int em28xx_v4l2_init(struct em28xx *dev)
ret = video_register_device(&v4l2->vbi_dev, VFL_TYPE_VBI,
vbi_nr[dev->devno]);
if (ret < 0) {
- em28xx_errdev("unable to register vbi device\n");
+ dev_err(&dev->intf->dev,
+ "unable to register vbi device\n");
goto unregister_dev;
}
}
@@ -2704,11 +2718,13 @@ static int em28xx_v4l2_init(struct em28xx *dev)
ret = video_register_device(&v4l2->radio_dev, VFL_TYPE_RADIO,
radio_nr[dev->devno]);
if (ret < 0) {
- em28xx_errdev("can't register radio device\n");
+ dev_err(&dev->intf->dev,
+ "can't register radio device\n");
goto unregister_dev;
}
- em28xx_info("Registered radio device as %s\n",
- video_device_node_name(&v4l2->radio_dev));
+ dev_info(&dev->intf->dev,
+ "Registered radio device as %s\n",
+ video_device_node_name(&v4l2->radio_dev));
}
/* Init entities at the Media Controller */
@@ -2717,18 +2733,21 @@ static int em28xx_v4l2_init(struct em28xx *dev)
#ifdef CONFIG_MEDIA_CONTROLLER
ret = v4l2_mc_create_media_graph(dev->media_dev);
if (ret) {
- em28xx_errdev("failed to create media graph\n");
+ dev_err(&dev->intf->dev,
+ "failed to create media graph\n");
em28xx_v4l2_media_release(dev);
goto unregister_dev;
}
#endif
- em28xx_info("V4L2 video device registered as %s\n",
- video_device_node_name(&v4l2->vdev));
+ dev_info(&dev->intf->dev,
+ "V4L2 video device registered as %s\n",
+ video_device_node_name(&v4l2->vdev));
if (video_is_registered(&v4l2->vbi_dev))
- em28xx_info("V4L2 VBI device registered as %s\n",
- video_device_node_name(&v4l2->vbi_dev));
+ dev_info(&dev->intf->dev,
+ "V4L2 VBI device registered as %s\n",
+ video_device_node_name(&v4l2->vbi_dev));
/* Save some power by putting tuner to sleep */
v4l2_device_call_all(&v4l2->v4l2_dev, 0, core, s_power, 0);
@@ -2736,7 +2755,8 @@ static int em28xx_v4l2_init(struct em28xx *dev)
/* initialize videobuf2 stuff */
em28xx_vb2_setup(dev);
- em28xx_info("V4L2 extension successfully initialized\n");
+ dev_info(&dev->intf->dev,
+ "V4L2 extension successfully initialized\n");
kref_get(&dev->ref);
@@ -2745,18 +2765,21 @@ static int em28xx_v4l2_init(struct em28xx *dev)
unregister_dev:
if (video_is_registered(&v4l2->radio_dev)) {
- em28xx_info("V4L2 device %s deregistered\n",
- video_device_node_name(&v4l2->radio_dev));
+ dev_info(&dev->intf->dev,
+ "V4L2 device %s deregistered\n",
+ video_device_node_name(&v4l2->radio_dev));
video_unregister_device(&v4l2->radio_dev);
}
if (video_is_registered(&v4l2->vbi_dev)) {
- em28xx_info("V4L2 device %s deregistered\n",
- video_device_node_name(&v4l2->vbi_dev));
+ dev_info(&dev->intf->dev,
+ "V4L2 device %s deregistered\n",
+ video_device_node_name(&v4l2->vbi_dev));
video_unregister_device(&v4l2->vbi_dev);
}
if (video_is_registered(&v4l2->vdev)) {
- em28xx_info("V4L2 device %s deregistered\n",
- video_device_node_name(&v4l2->vdev));
+ dev_info(&dev->intf->dev,
+ "V4L2 device %s deregistered\n",
+ video_device_node_name(&v4l2->vdev));
video_unregister_device(&v4l2->vdev);
}
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