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-rw-r--r--linux/drivers/media/video/cx25840/cx25840-core.c14
-rw-r--r--linux/drivers/media/video/saa7115.c14
-rw-r--r--linux/drivers/media/video/saa7127.c14
-rw-r--r--linux/drivers/media/video/tvp5150.c14
-rw-r--r--linux/drivers/media/video/upd64031a.c16
-rw-r--r--linux/drivers/media/video/upd64083.c16
-rw-r--r--linux/drivers/media/video/usbvision/usbvision-video.c40
-rw-r--r--linux/drivers/media/video/videodev.c4
8 files changed, 41 insertions, 91 deletions
diff --git a/linux/drivers/media/video/cx25840/cx25840-core.c b/linux/drivers/media/video/cx25840/cx25840-core.c
index 9aaaa482d..b06553a1f 100644
--- a/linux/drivers/media/video/cx25840/cx25840-core.c
+++ b/linux/drivers/media/video/cx25840/cx25840-core.c
@@ -640,15 +640,6 @@ static int cx25840_command(struct i2c_client *client, unsigned int cmd,
/* ioctls to allow direct access to the
* cx25840 registers for testing */
case VIDIOC_DBG_G_REGISTER:
- {
- struct v4l2_register *reg = arg;
-
- if (reg->i2c_id != I2C_DRIVERID_CX25840)
- return -EINVAL;
- reg->val = cx25840_read(client, reg->reg & 0x0fff);
- break;
- }
-
case VIDIOC_DBG_S_REGISTER:
{
struct v4l2_register *reg = arg;
@@ -657,7 +648,10 @@ static int cx25840_command(struct i2c_client *client, unsigned int cmd,
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- cx25840_write(client, reg->reg & 0x0fff, reg->val & 0xff);
+ if (cmd == VIDIOC_DBG_G_REGISTER)
+ reg->val = cx25840_read(client, reg->reg & 0x0fff);
+ else
+ cx25840_write(client, reg->reg & 0x0fff, reg->val & 0xff);
break;
}
#endif
diff --git a/linux/drivers/media/video/saa7115.c b/linux/drivers/media/video/saa7115.c
index cc8ea90fd..71e1cab45 100644
--- a/linux/drivers/media/video/saa7115.c
+++ b/linux/drivers/media/video/saa7115.c
@@ -1429,15 +1429,6 @@ static int saa711x_command(struct i2c_client *client, unsigned int cmd, void *ar
#ifdef CONFIG_VIDEO_ADV_DEBUG
case VIDIOC_DBG_G_REGISTER:
- {
- struct v4l2_register *reg = arg;
-
- if (reg->i2c_id != I2C_DRIVERID_SAA711X)
- return -EINVAL;
- reg->val = saa711x_read(client, reg->reg & 0xff);
- break;
- }
-
case VIDIOC_DBG_S_REGISTER:
{
struct v4l2_register *reg = arg;
@@ -1446,7 +1437,10 @@ static int saa711x_command(struct i2c_client *client, unsigned int cmd, void *ar
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- saa711x_write(client, reg->reg & 0xff, reg->val & 0xff);
+ if (cmd == VIDIOC_DBG_G_REGISTER)
+ reg->val = saa711x_read(client, reg->reg & 0xff);
+ else
+ saa711x_write(client, reg->reg & 0xff, reg->val & 0xff);
break;
}
#endif
diff --git a/linux/drivers/media/video/saa7127.c b/linux/drivers/media/video/saa7127.c
index 70d898697..e1e697579 100644
--- a/linux/drivers/media/video/saa7127.c
+++ b/linux/drivers/media/video/saa7127.c
@@ -627,15 +627,6 @@ static int saa7127_command(struct i2c_client *client,
#ifdef CONFIG_VIDEO_ADV_DEBUG
case VIDIOC_DBG_G_REGISTER:
- {
- struct v4l2_register *reg = arg;
-
- if (reg->i2c_id != I2C_DRIVERID_SAA7127)
- return -EINVAL;
- reg->val = saa7127_read(client, reg->reg & 0xff);
- break;
- }
-
case VIDIOC_DBG_S_REGISTER:
{
struct v4l2_register *reg = arg;
@@ -644,7 +635,10 @@ static int saa7127_command(struct i2c_client *client,
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- saa7127_write(client, reg->reg & 0xff, reg->val & 0xff);
+ if (cmd == VIDIOC_DBG_G_REGISTER)
+ reg->val = saa7127_read(client, reg->reg & 0xff);
+ else
+ saa7127_write(client, reg->reg & 0xff, reg->val & 0xff);
break;
}
#endif
diff --git a/linux/drivers/media/video/tvp5150.c b/linux/drivers/media/video/tvp5150.c
index 582c8542f..46b97d9b1 100644
--- a/linux/drivers/media/video/tvp5150.c
+++ b/linux/drivers/media/video/tvp5150.c
@@ -1047,15 +1047,6 @@ static int tvp5150_command(struct i2c_client *c,
#ifdef CONFIG_VIDEO_ADV_DEBUG
case VIDIOC_DBG_G_REGISTER:
- {
- struct v4l2_register *reg = arg;
-
- if (reg->i2c_id != I2C_DRIVERID_TVP5150)
- return -EINVAL;
- reg->val = tvp5150_read(c, reg->reg & 0xff);
- break;
- }
-
case VIDIOC_DBG_S_REGISTER:
{
struct v4l2_register *reg = arg;
@@ -1064,7 +1055,10 @@ static int tvp5150_command(struct i2c_client *c,
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- tvp5150_write(c, reg->reg & 0xff, reg->val & 0xff);
+ if (cmd == VIDIOC_DBG_G_REGISTER)
+ reg->val = tvp5150_read(c, reg->reg & 0xff);
+ else
+ tvp5150_write(c, reg->reg & 0xff, reg->val & 0xff);
break;
}
#endif
diff --git a/linux/drivers/media/video/upd64031a.c b/linux/drivers/media/video/upd64031a.c
index a35a21301..ae0a843ff 100644
--- a/linux/drivers/media/video/upd64031a.c
+++ b/linux/drivers/media/video/upd64031a.c
@@ -171,26 +171,18 @@ static int upd64031a_command(struct i2c_client *client, unsigned int cmd, void *
#ifdef CONFIG_VIDEO_ADV_DEBUG
case VIDIOC_DBG_G_REGISTER:
- {
- struct v4l2_register *reg = arg;
-
- if (reg->i2c_id != I2C_DRIVERID_UPD64031A)
- return -EINVAL;
- reg->val = upd64031a_read(client, reg->reg & 0xff);
- break;
- }
-
case VIDIOC_DBG_S_REGISTER:
{
struct v4l2_register *reg = arg;
- u8 addr = reg->reg & 0xff;
- u8 val = reg->val & 0xff;
if (reg->i2c_id != I2C_DRIVERID_UPD64031A)
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- upd64031a_write(client, addr, val);
+ if (cmd == VIDIOC_DBG_G_REGISTER)
+ reg->val = upd64031a_read(client, reg->reg & 0xff);
+ else
+ upd64031a_write(client, reg->reg & 0xff, reg->val & 0xff);
break;
}
#endif
diff --git a/linux/drivers/media/video/upd64083.c b/linux/drivers/media/video/upd64083.c
index 6b512c5d6..61be85abd 100644
--- a/linux/drivers/media/video/upd64083.c
+++ b/linux/drivers/media/video/upd64083.c
@@ -148,26 +148,18 @@ static int upd64083_command(struct i2c_client *client, unsigned int cmd, void *a
#ifdef CONFIG_VIDEO_ADV_DEBUG
case VIDIOC_DBG_G_REGISTER:
- {
- struct v4l2_register *reg = arg;
-
- if (reg->i2c_id != I2C_DRIVERID_UPD64083)
- return -EINVAL;
- reg->val = upd64083_read(client, reg->reg & 0xff);
- break;
- }
-
case VIDIOC_DBG_S_REGISTER:
{
struct v4l2_register *reg = arg;
- u8 addr = reg->reg & 0xff;
- u8 val = reg->val & 0xff;
if (reg->i2c_id != I2C_DRIVERID_UPD64083)
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- upd64083_write(client, addr, val);
+ if (cmd == VIDIOC_DBG_G_REGISTER)
+ reg->val = upd64083_read(client, reg->reg & 0xff);
+ else
+ upd64083_write(client, reg->reg & 0xff, reg->val & 0xff);
break;
}
#endif
diff --git a/linux/drivers/media/video/usbvision/usbvision-video.c b/linux/drivers/media/video/usbvision/usbvision-video.c
index f23abaa27..2b8895d99 100644
--- a/linux/drivers/media/video/usbvision/usbvision-video.c
+++ b/linux/drivers/media/video/usbvision/usbvision-video.c
@@ -561,25 +561,6 @@ static int usbvision_v4l2_do_ioctl(struct inode *inode, struct file *file,
#ifdef CONFIG_VIDEO_ADV_DEBUG
/* ioctls to allow direct acces to the NT100x registers */
case VIDIOC_DBG_G_REGISTER:
- {
- struct v4l2_register *reg = arg;
- int errCode;
-
- if (reg->i2c_id != 0)
- return -EINVAL;
- /* NT100x has a 8-bit register space */
- errCode = usbvision_read_reg(usbvision, reg->reg&0xff);
- if (errCode < 0) {
- err("%s: VIDIOC_DBG_G_REGISTER failed: error %d", __FUNCTION__, errCode);
- }
- else {
- reg->val=(unsigned char)errCode;
- PDEBUG(DBG_IOCTL, "VIDIOC_DBG_G_REGISTER reg=0x%02X, value=0x%02X",
- (unsigned int)reg->reg, reg->val);
- errCode = 0; // No error
- }
- return errCode;
- }
case VIDIOC_DBG_S_REGISTER:
{
struct v4l2_register *reg = arg;
@@ -589,15 +570,22 @@ static int usbvision_v4l2_do_ioctl(struct inode *inode, struct file *file,
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- errCode = usbvision_write_reg(usbvision, reg->reg&0xff, reg->val);
+ /* NT100x has a 8-bit register space */
+ if (cmd == VIDIOC_DBG_G_REGISTER)
+ errCode = usbvision_read_reg(usbvision, reg->reg&0xff);
+ else
+ errCode = usbvision_write_reg(usbvision, reg->reg&0xff, reg->val);
if (errCode < 0) {
- err("%s: VIDIOC_DBG_S_REGISTER failed: error %d", __FUNCTION__, errCode);
- }
- else {
- PDEBUG(DBG_IOCTL, "VIDIOC_DBG_S_REGISTER reg=0x%02X, value=0x%02X",
- (unsigned int)reg->reg, reg->val);
- errCode = 0;
+ err("%s: VIDIOC_DBG_%c_REGISTER failed: error %d", __FUNCTION__,
+ cmd == VIDIOC_DBG_G_REGISTER ? 'G' : 'S', errCode);
+ return errCode;
}
+ if (cmd == VIDIOC_DBG_S_REGISTER)
+ reg->val = (u8)errCode;
+
+ PDEBUG(DBG_IOCTL, "VIDIOC_DBG_%c_REGISTER reg=0x%02X, value=0x%02X",
+ cmd == VIDIOC_DBG_G_REGISTER ? 'G' : 'S',
+ (unsigned int)reg->reg, reg->val);
return 0;
}
#endif
diff --git a/linux/drivers/media/video/videodev.c b/linux/drivers/media/video/videodev.c
index 476b3c143..707757237 100644
--- a/linux/drivers/media/video/videodev.c
+++ b/linux/drivers/media/video/videodev.c
@@ -1481,7 +1481,9 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
case VIDIOC_DBG_G_REGISTER:
{
struct v4l2_register *p=arg;
- if (vfd->vidioc_g_register)
+ if (!capable(CAP_SYS_ADMIN))
+ ret=-EPERM;
+ else if (vfd->vidioc_g_register)
ret=vfd->vidioc_g_register(file, fh, p);
break;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-03 08:03:10 +0000