V4L/DVB (5305): Mark VIDIOC_DBG_S/G_REGISTER as experimental

Move VIDIOC_DBG_S/G_REGISTER from the internal ioctl list to the
public ioctls, but mark it as experimental for now.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/v4l2-common.c

@@ -376,7 +376,10 @@ static const char *v4l2_ioctls[] = {
 	[_IOC_NR(VIDIOC_ENUM_FRAMEINTERVALS)] = "VIDIOC_ENUM_FRAMEINTERVALS",
 	[_IOC_NR(VIDIOC_G_ENC_INDEX)] 	   = "VIDIOC_G_ENC_INDEX",
 	[_IOC_NR(VIDIOC_ENCODER_CMD)] 	   = "VIDIOC_ENCODER_CMD",
-	[_IOC_NR(VIDIOC_TRY_ENCODER_CMD)]  = "VIDIOC_TRY_ENCODER_CMD"
+	[_IOC_NR(VIDIOC_TRY_ENCODER_CMD)]  = "VIDIOC_TRY_ENCODER_CMD",
+
+	[_IOC_NR(VIDIOC_DBG_S_REGISTER)]   = "VIDIOC_DBG_S_REGISTER",
+	[_IOC_NR(VIDIOC_DBG_G_REGISTER)]   = "VIDIOC_DBG_G_REGISTER",
 #endif
 };
 #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
@@ -401,9 +404,6 @@ static const char *v4l2_int_ioctls[] = {
 	[_IOC_NR(TUNER_SET_STANDBY)]           = "TUNER_SET_STANDBY",
 	[_IOC_NR(TDA9887_SET_CONFIG)]          = "TDA9887_SET_CONFIG",
 
-	[_IOC_NR(VIDIOC_DBG_S_REGISTER)]       = "VIDIOC_DBG_S_REGISTER",
-	[_IOC_NR(VIDIOC_DBG_G_REGISTER)]       = "VIDIOC_DBG_G_REGISTER",
-
 	[_IOC_NR(VIDIOC_INT_S_TUNER_MODE)]     = "VIDIOC_INT_S_TUNER_MODE",
 	[_IOC_NR(VIDIOC_INT_RESET)]            = "VIDIOC_INT_RESET",
 	[_IOC_NR(VIDIOC_INT_AUDIO_CLOCK_FREQ)] = "VIDIOC_INT_AUDIO_CLOCK_FREQ",
@@ -956,8 +956,6 @@ u32 v4l2_ctrl_next(const u32 * const * ctrl_classes, u32 id)
 int v4l2_chip_match_i2c_client(struct i2c_client *c, u32 match_type, u32 match_chip)
 {
 	switch (match_type) {
-	case V4L2_CHIP_MATCH_ALWAYS:
-		return 1;
 	case V4L2_CHIP_MATCH_I2C_DRIVER:
 		return (c != NULL && c->driver != NULL && c->driver->id == match_chip);
 	case V4L2_CHIP_MATCH_I2C_ADDR:
@@ -970,8 +968,6 @@ int v4l2_chip_match_i2c_client(struct i2c_client *c, u32 match_type, u32 match_c
 int v4l2_chip_match_host(u32 match_type, u32 match_chip)
 {
 	switch (match_type) {
-	case V4L2_CHIP_MATCH_ALWAYS:
-		return 1;
 	case V4L2_CHIP_MATCH_HOST:
 		return match_chip == 0;
 	default:

include/linux/videodev2.h

@@ -1352,14 +1352,15 @@ struct v4l2_streamparm
 
 /*
  *	A D V A N C E D   D E B U G G I N G
+ *
+ *	NOTE: EXPERIMENTAL API
  */
 
 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
 
-#define V4L2_CHIP_MATCH_ALWAYS     0  /* Match always (match_chip is not used) */
-#define V4L2_CHIP_MATCH_HOST       1  /* Match against chip ID on host (0 for the host) */
-#define V4L2_CHIP_MATCH_I2C_DRIVER 2  /* Match against I2C driver ID */
-#define V4L2_CHIP_MATCH_I2C_ADDR   3  /* Match against I2C 7-bit address */
+#define V4L2_CHIP_MATCH_HOST       0  /* Match against chip ID on host (0 for the host) */
+#define V4L2_CHIP_MATCH_I2C_DRIVER 1  /* Match against I2C driver ID */
+#define V4L2_CHIP_MATCH_I2C_ADDR   2  /* Match against I2C 7-bit address */
 
 struct v4l2_register {
 	__u32 match_type; /* Match type */
@@ -1437,10 +1438,11 @@ struct v4l2_register {
 #define VIDIOC_G_ENC_INDEX      _IOR  ('V', 76, struct v4l2_enc_idx)
 #define VIDIOC_ENCODER_CMD      _IOWR ('V', 77, struct v4l2_encoder_cmd)
 #define VIDIOC_TRY_ENCODER_CMD  _IOWR ('V', 78, struct v4l2_encoder_cmd)
+
+/* Experimental, only implemented if CONFIG_VIDEO_ADV_DEBUG is defined */
+#define	VIDIOC_DBG_S_REGISTER 	_IOW  ('V', 79, struct v4l2_register)
+#define	VIDIOC_DBG_G_REGISTER 	_IOWR ('V', 80, struct v4l2_register)
 #endif
-/* only implemented if CONFIG_VIDEO_ADV_DEBUG is defined */
-#define	VIDIOC_DBG_S_REGISTER 	_IOW ('d', 100, struct v4l2_register)
-#define	VIDIOC_DBG_G_REGISTER 	_IOWR('d', 101, struct v4l2_register)
 
 #ifdef __OLD_VIDIOC_
 /* for compatibility, will go away some day */