[media] v4l2-core: remove support for obsolete VIDIOC_DBG_G_CHIP_IDENT

This has been replaced by the new and much better VIDIOC_DBG_G_CHIP_INFO.
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/v4l2-core/v4l2-compat-ioctl32.c

@@ -1074,7 +1074,6 @@ long v4l2_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg)
 	case VIDIOC_TRY_DECODER_CMD:
 	case VIDIOC_DBG_S_REGISTER:
 	case VIDIOC_DBG_G_REGISTER:
-	case VIDIOC_DBG_G_CHIP_IDENT:
 	case VIDIOC_S_HW_FREQ_SEEK:
 	case VIDIOC_S_DV_TIMINGS:
 	case VIDIOC_G_DV_TIMINGS:

drivers/media/v4l2-core/v4l2-dev.c

@@ -596,7 +596,6 @@ static void determine_valid_ioctls(struct video_device *vdev)
 	set_bit(_IOC_NR(VIDIOC_DBG_G_REGISTER), valid_ioctls);
 	set_bit(_IOC_NR(VIDIOC_DBG_S_REGISTER), valid_ioctls);
 #endif
-	SET_VALID_IOCTL(ops, VIDIOC_DBG_G_CHIP_IDENT, vidioc_g_chip_ident);
 	/* yes, really vidioc_subscribe_event */
 	SET_VALID_IOCTL(ops, VIDIOC_DQEVENT, vidioc_subscribe_event);
 	SET_VALID_IOCTL(ops, VIDIOC_SUBSCRIBE_EVENT, vidioc_subscribe_event);

drivers/media/v4l2-core/v4l2-ioctl.c

@@ -26,7 +26,6 @@
 #include <media/v4l2-fh.h>
 #include <media/v4l2-event.h>
 #include <media/v4l2-device.h>
-#include <media/v4l2-chip-ident.h>
 #include <media/videobuf2-core.h>
 
 /* Zero out the end of the struct pointed to by p.  Everything after, but
@@ -619,20 +618,6 @@ static void v4l_print_decoder_cmd(const void *arg, bool write_only)
 		pr_info("pts=%llu\n", p->stop.pts);
 }
 
-static void v4l_print_dbg_chip_ident(const void *arg, bool write_only)
-{
-	const struct v4l2_dbg_chip_ident *p = arg;
-
-	pr_cont("type=%u, ", p->match.type);
-	if (p->match.type == V4L2_CHIP_MATCH_I2C_DRIVER)
-		pr_cont("name=%.*s, ",
-				(int)sizeof(p->match.name), p->match.name);
-	else
-		pr_cont("addr=%u, ", p->match.addr);
-	pr_cont("chip_ident=%u, revision=0x%x\n",
-			p->ident, p->revision);
-}
-
 static void v4l_print_dbg_chip_info(const void *arg, bool write_only)
 {
 	const struct v4l2_dbg_chip_info *p = arg;
@@ -1813,18 +1798,6 @@ static int v4l_dbg_s_register(const struct v4l2_ioctl_ops *ops,
 #endif
 }
 
-static int v4l_dbg_g_chip_ident(const struct v4l2_ioctl_ops *ops,
-				struct file *file, void *fh, void *arg)
-{
-	struct v4l2_dbg_chip_ident *p = arg;
-
-	p->ident = V4L2_IDENT_NONE;
-	p->revision = 0;
-	if (p->match.type == V4L2_CHIP_MATCH_SUBDEV)
-		return -EINVAL;
-	return ops->vidioc_g_chip_ident(file, fh, p);
-}
-
 static int v4l_dbg_g_chip_info(const struct v4l2_ioctl_ops *ops,
 				struct file *file, void *fh, void *arg)
 {
@@ -2074,7 +2047,6 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = {
 	IOCTL_INFO_STD(VIDIOC_TRY_DECODER_CMD, vidioc_try_decoder_cmd, v4l_print_decoder_cmd, 0),
 	IOCTL_INFO_FNC(VIDIOC_DBG_S_REGISTER, v4l_dbg_s_register, v4l_print_dbg_register, 0),
 	IOCTL_INFO_FNC(VIDIOC_DBG_G_REGISTER, v4l_dbg_g_register, v4l_print_dbg_register, 0),
-	IOCTL_INFO_FNC(VIDIOC_DBG_G_CHIP_IDENT, v4l_dbg_g_chip_ident, v4l_print_dbg_chip_ident, 0),
 	IOCTL_INFO_FNC(VIDIOC_S_HW_FREQ_SEEK, v4l_s_hw_freq_seek, v4l_print_hw_freq_seek, INFO_FL_PRIO),
 	IOCTL_INFO_STD(VIDIOC_S_DV_TIMINGS, vidioc_s_dv_timings, v4l_print_dv_timings, INFO_FL_PRIO),
 	IOCTL_INFO_STD(VIDIOC_G_DV_TIMINGS, vidioc_g_dv_timings, v4l_print_dv_timings, 0),

include/media/v4l2-chip-ident.h

-/*
-    v4l2 chip identifiers header
-
-    This header provides a list of chip identifiers that can be returned
-    through the VIDIOC_DBG_G_CHIP_IDENT ioctl.
-
-    Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#ifndef V4L2_CHIP_IDENT_H_
-#define V4L2_CHIP_IDENT_H_
-
-/* VIDIOC_DBG_G_CHIP_IDENT: identifies the actual chip installed on the board */
-
-/* KEEP THIS LIST ORDERED BY ID!
-   Otherwise it will be hard to see which ranges are already in use when
-   adding support to a new chip family. */
-enum {
-	/* general idents: reserved range 0-49 */
-	V4L2_IDENT_NONE      = 0,       /* No chip matched */
-	V4L2_IDENT_AMBIGUOUS = 1,       /* Match too general, multiple chips matched */
-	V4L2_IDENT_UNKNOWN   = 2,       /* Chip found, but cannot identify */
-
-	/* module tvaudio: reserved range 50-99 */
-	V4L2_IDENT_TVAUDIO = 50,	/* A tvaudio chip, unknown which it is exactly */
-
-	/* Sony IMX074 */
-	V4L2_IDENT_IMX074 = 74,
-
-	/* module saa7110: just ident 100 */
-	V4L2_IDENT_SAA7110 = 100,
-
-	/* module saa7115: reserved range 101-149 */
-	V4L2_IDENT_SAA7111 = 101,
-	V4L2_IDENT_SAA7111A = 102,
-	V4L2_IDENT_SAA7113 = 103,
-	V4L2_IDENT_SAA7114 = 104,
-	V4L2_IDENT_SAA7115 = 105,
-	V4L2_IDENT_SAA7118 = 108,
-
-	V4L2_IDENT_GM7113C = 140,
-
-	/* module saa7127: reserved range 150-199 */
-	V4L2_IDENT_SAA7127 = 157,
-	V4L2_IDENT_SAA7129 = 159,
-
-	/* module cx25840: reserved range 200-249 */
-	V4L2_IDENT_CX25836 = 236,
-	V4L2_IDENT_CX25837 = 237,
-	V4L2_IDENT_CX25840 = 240,
-	V4L2_IDENT_CX25841 = 241,
-	V4L2_IDENT_CX25842 = 242,
-	V4L2_IDENT_CX25843 = 243,
-
-	/* OmniVision sensors: reserved range 250-299 */
-	V4L2_IDENT_OV7670 = 250,
-	V4L2_IDENT_OV7720 = 251,
-	V4L2_IDENT_OV7725 = 252,
-	V4L2_IDENT_OV7660 = 253,
-	V4L2_IDENT_OV9650 = 254,
-	V4L2_IDENT_OV9655 = 255,
-	V4L2_IDENT_SOI968 = 256,
-	V4L2_IDENT_OV9640 = 257,
-	V4L2_IDENT_OV6650 = 258,
-	V4L2_IDENT_OV2640 = 259,
-	V4L2_IDENT_OV9740 = 260,
-	V4L2_IDENT_OV5642 = 261,
-
-	/* module saa7146: reserved range 300-309 */
-	V4L2_IDENT_SAA7146 = 300,
-
-	/* Conexant MPEG encoder/decoders: reserved range 400-420 */
-	V4L2_IDENT_CX23418_843 = 403, /* Integrated A/V Decoder on the '418 */
-	V4L2_IDENT_CX23415 = 415,
-	V4L2_IDENT_CX23416 = 416,
-	V4L2_IDENT_CX23417 = 417,
-	V4L2_IDENT_CX23418 = 418,
-
-	/* module bt819: reserved range 810-819 */
-	V4L2_IDENT_BT815A = 815,
-	V4L2_IDENT_BT817A = 817,
-	V4L2_IDENT_BT819A = 819,
-
-	/* module au0828 */
-	V4L2_IDENT_AU0828 = 828,
-
-	/* module bttv: ident 848 + 849 */
-	V4L2_IDENT_BT848 = 848,
-	V4L2_IDENT_BT849 = 849,
-
-	/* module bt856: just ident 856 */
-	V4L2_IDENT_BT856 = 856,
-
-	/* module bt866: just ident 866 */
-	V4L2_IDENT_BT866 = 866,
-
-	/* module bttv: ident 878 + 879 */
-	V4L2_IDENT_BT878 = 878,
-	V4L2_IDENT_BT879 = 879,
-
-	/* module ks0127: reserved range 1120-1129 */
-	V4L2_IDENT_KS0122S = 1122,
-	V4L2_IDENT_KS0127  = 1127,
-	V4L2_IDENT_KS0127B = 1128,
-
-	/* module indycam: just ident 2000 */
-	V4L2_IDENT_INDYCAM = 2000,
-
-	/* module vp27smpx: just ident 2700 */
-	V4L2_IDENT_VP27SMPX = 2700,
-
-	/* module vpx3220: reserved range: 3210-3229 */
-	V4L2_IDENT_VPX3214C = 3214,
-	V4L2_IDENT_VPX3216B = 3216,
-	V4L2_IDENT_VPX3220A = 3220,
-
-	/* VX855 just ident 3409 */
-	/* Other via devs could use 3314, 3324, 3327, 3336, 3364, 3353 */
-	V4L2_IDENT_VIA_VX855 = 3409,
-
-	/* module tvp5150 */
-	V4L2_IDENT_TVP5150 = 5150,
-
-	/* module saa5246a: just ident 5246 */
-	V4L2_IDENT_SAA5246A = 5246,
-
-	/* module saa5249: just ident 5249 */
-	V4L2_IDENT_SAA5249 = 5249,
-
-	/* module cs5345: just ident 5345 */
-	V4L2_IDENT_CS5345 = 5345,
-
-	/* module tea6415c: just ident 6415 */
-	V4L2_IDENT_TEA6415C = 6415,
-
-	/* module tea6420: just ident 6420 */
-	V4L2_IDENT_TEA6420 = 6420,
-
-	/* module saa6588: just ident 6588 */
-	V4L2_IDENT_SAA6588 = 6588,
-
-	/* module vs6624: just ident 6624 */
-	V4L2_IDENT_VS6624 = 6624,
-
-	/* module saa6752hs: reserved range 6750-6759 */
-	V4L2_IDENT_SAA6752HS = 6752,
-	V4L2_IDENT_SAA6752HS_AC3 = 6753,
-
-	/* modules tef6862: just ident 6862 */
-	V4L2_IDENT_TEF6862 = 6862,
-
-	/* module tvp7002: just ident 7002 */
-	V4L2_IDENT_TVP7002 = 7002,
-
-	/* module adv7170: just ident 7170 */
-	V4L2_IDENT_ADV7170 = 7170,
-
-	/* module adv7175: just ident 7175 */
-	V4L2_IDENT_ADV7175 = 7175,
-
-	/* module adv7180: just ident 7180 */
-	V4L2_IDENT_ADV7180 = 7180,
-
-	/* module adv7183: just ident 7183 */
-	V4L2_IDENT_ADV7183 = 7183,
-
-	/* module saa7185: just ident 7185 */
-	V4L2_IDENT_SAA7185 = 7185,
-
-	/* module saa7191: just ident 7191 */
-	V4L2_IDENT_SAA7191 = 7191,
-
-	/* module ths7303: just ident 7303 */
-	V4L2_IDENT_THS7303 = 7303,
-
-	/* module adv7343: just ident 7343 */
-	V4L2_IDENT_ADV7343 = 7343,
-
-	/* module ths7353: just ident 7353 */
-	V4L2_IDENT_THS7353 = 7353,
-
-	/* module adv7393: just ident 7393 */
-	V4L2_IDENT_ADV7393 = 7393,
-
-	/* module adv7604: just ident 7604 */
-	V4L2_IDENT_ADV7604 = 7604,
-
-	/* module saa7706h: just ident 7706 */
-	V4L2_IDENT_SAA7706H = 7706,
-
-	/* module mt9v011, just ident 8243 */
-	V4L2_IDENT_MT9V011 = 8243,
-
-	/* module wm8739: just ident 8739 */
-	V4L2_IDENT_WM8739 = 8739,
-
-	/* module wm8775: just ident 8775 */
-	V4L2_IDENT_WM8775 = 8775,
-
-	/* Marvell controllers starting at 8801 */
-	V4L2_IDENT_CAFE = 8801,
-	V4L2_IDENT_ARMADA610 = 8802,
-
-	/* AKM AK8813/AK8814 */
-	V4L2_IDENT_AK8813 = 8813,
-	V4L2_IDENT_AK8814 = 8814,
-
-	/* module cx23885 and cx25840 */
-	V4L2_IDENT_CX23885    = 8850,
-	V4L2_IDENT_CX23885_AV = 8851, /* Integrated A/V decoder */
-	V4L2_IDENT_CX23887    = 8870,
-	V4L2_IDENT_CX23887_AV = 8871, /* Integrated A/V decoder */
-	V4L2_IDENT_CX23888    = 8880,
-	V4L2_IDENT_CX23888_AV = 8881, /* Integrated A/V decoder */
-	V4L2_IDENT_CX23888_IR = 8882, /* Integrated infrared controller */
-
-	/* module ad9389b: just ident 9389 */
-	V4L2_IDENT_AD9389B = 9389,
-
-	/* module tda9840: just ident 9840 */
-	V4L2_IDENT_TDA9840 = 9840,
-
-	/* module tw9910: just ident 9910 */
-	V4L2_IDENT_TW9910 = 9910,
-
-	/* module sn9c20x: just ident 10000 */
-	V4L2_IDENT_SN9C20X = 10000,
-
-	/* module cx231xx and cx25840 */
-	V4L2_IDENT_CX2310X_AV = 23099, /* Integrated A/V decoder; not in '100 */
-	V4L2_IDENT_CX23100    = 23100,
-	V4L2_IDENT_CX23101    = 23101,
-	V4L2_IDENT_CX23102    = 23102,
-
-	/* module msp3400: reserved range 34000-34999 for msp34xx */
-	V4L2_IDENT_MSPX4XX  = 34000, /* generic MSPX4XX identifier, only
-					use internally (tveeprom.c). */
-
-	V4L2_IDENT_MSP3400B = 34002,
-	V4L2_IDENT_MSP3400C = 34003,
-	V4L2_IDENT_MSP3400D = 34004,
-	V4L2_IDENT_MSP3400G = 34007,
-	V4L2_IDENT_MSP3401G = 34017,
-	V4L2_IDENT_MSP3402G = 34027,
-	V4L2_IDENT_MSP3405D = 34054,
-	V4L2_IDENT_MSP3405G = 34057,
-	V4L2_IDENT_MSP3407D = 34074,
-	V4L2_IDENT_MSP3407G = 34077,
-
-	V4L2_IDENT_MSP3410B = 34102,
-	V4L2_IDENT_MSP3410C = 34103,
-	V4L2_IDENT_MSP3410D = 34104,
-	V4L2_IDENT_MSP3410G = 34107,
-	V4L2_IDENT_MSP3411G = 34117,
-	V4L2_IDENT_MSP3412G = 34127,
-	V4L2_IDENT_MSP3415D = 34154,
-	V4L2_IDENT_MSP3415G = 34157,
-	V4L2_IDENT_MSP3417D = 34174,
-	V4L2_IDENT_MSP3417G = 34177,
-
-	V4L2_IDENT_MSP3420G = 34207,
-	V4L2_IDENT_MSP3421G = 34217,
-	V4L2_IDENT_MSP3422G = 34227,
-	V4L2_IDENT_MSP3425G = 34257,
-	V4L2_IDENT_MSP3427G = 34277,
-
-	V4L2_IDENT_MSP3430G = 34307,
-	V4L2_IDENT_MSP3431G = 34317,
-	V4L2_IDENT_MSP3435G = 34357,
-	V4L2_IDENT_MSP3437G = 34377,
-
-	V4L2_IDENT_MSP3440G = 34407,
-	V4L2_IDENT_MSP3441G = 34417,
-	V4L2_IDENT_MSP3442G = 34427,
-	V4L2_IDENT_MSP3445G = 34457,
-	V4L2_IDENT_MSP3447G = 34477,
-
-	V4L2_IDENT_MSP3450G = 34507,
-	V4L2_IDENT_MSP3451G = 34517,
-	V4L2_IDENT_MSP3452G = 34527,
-	V4L2_IDENT_MSP3455G = 34557,
-	V4L2_IDENT_MSP3457G = 34577,
-
-	V4L2_IDENT_MSP3460G = 34607,
-	V4L2_IDENT_MSP3461G = 34617,
-	V4L2_IDENT_MSP3465G = 34657,
-	V4L2_IDENT_MSP3467G = 34677,
-
-	/* module msp3400: reserved range 44000-44999 for msp44xx */
-	V4L2_IDENT_MSP4400G = 44007,
-	V4L2_IDENT_MSP4408G = 44087,
-	V4L2_IDENT_MSP4410G = 44107,
-	V4L2_IDENT_MSP4418G = 44187,
-	V4L2_IDENT_MSP4420G = 44207,
-	V4L2_IDENT_MSP4428G = 44287,
-	V4L2_IDENT_MSP4440G = 44407,
-	V4L2_IDENT_MSP4448G = 44487,
-	V4L2_IDENT_MSP4450G = 44507,
-	V4L2_IDENT_MSP4458G = 44587,
-
-	/* Micron CMOS sensor chips: 45000-45099 */
-	V4L2_IDENT_MT9M001C12ST		= 45000,
-	V4L2_IDENT_MT9M001C12STM	= 45005,
-	V4L2_IDENT_MT9M111		= 45007,
-	V4L2_IDENT_MT9M112		= 45008,
-	V4L2_IDENT_MT9V022IX7ATC	= 45010, /* No way to detect "normal" I77ATx */
-	V4L2_IDENT_MT9V022IX7ATM	= 45015, /* and "lead free" IA7ATx chips */
-	V4L2_IDENT_MT9T031		= 45020,
-	V4L2_IDENT_MT9T111		= 45021,
-	V4L2_IDENT_MT9T112		= 45022,
-	V4L2_IDENT_MT9V111		= 45031,
-	V4L2_IDENT_MT9V112		= 45032,
-
-	/* HV7131R CMOS sensor: just ident 46000 */
-	V4L2_IDENT_HV7131R		= 46000,
-
-	/* Sharp RJ54N1CB0C, 0xCB0C = 51980 */
-	V4L2_IDENT_RJ54N1CB0C = 51980,
-
-	/* module m52790: just ident 52790 */
-	V4L2_IDENT_M52790 = 52790,
-
-	/* module cs53132a: just ident 53132 */
-	V4L2_IDENT_CS53l32A = 53132,
-
-	/* modules upd61151 MPEG2 encoder: just ident 54000 */
-	V4L2_IDENT_UPD61161 = 54000,
-	/* modules upd61152 MPEG2 encoder with AC3: just ident 54001 */
-	V4L2_IDENT_UPD61162 = 54001,
-
-	/* module upd64031a: just ident 64031 */
-	V4L2_IDENT_UPD64031A = 64031,
-
-	/* module upd64083: just ident 64083 */
-	V4L2_IDENT_UPD64083 = 64083,
-
-	/* Don't just add new IDs at the end: KEEP THIS LIST ORDERED BY ID! */
-};
-
-#endif

include/media/v4l2-ioctl.h

@@ -247,8 +247,6 @@ struct v4l2_ioctl_ops {
 	int (*vidioc_g_chip_info)      (struct file *file, void *fh,
 					struct v4l2_dbg_chip_info *chip);
 #endif
-	int (*vidioc_g_chip_ident)     (struct file *file, void *fh,
-					struct v4l2_dbg_chip_ident *chip);
 
 	int (*vidioc_enum_framesizes)   (struct file *file, void *fh,
 					 struct v4l2_frmsizeenum *fsize);

include/media/v4l2-subdev.h

@@ -88,7 +88,6 @@ struct v4l2_decode_vbi_line {
 
 /* Core ops: it is highly recommended to implement at least these ops:
 
-   g_chip_ident
    log_status
    g_register
    s_register
@@ -145,7 +144,6 @@ struct v4l2_subdev_io_pin_config {
 	performed later.  It must not sleep.  *Called from an IRQ context*.
  */
 struct v4l2_subdev_core_ops {
-	int (*g_chip_ident)(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip);
 	int (*log_status)(struct v4l2_subdev *sd);
 	int (*s_io_pin_config)(struct v4l2_subdev *sd, size_t n,
 				      struct v4l2_subdev_io_pin_config *pincfg);
@@ -660,7 +658,7 @@ void v4l2_subdev_init(struct v4l2_subdev *sd,
 /* Call an ops of a v4l2_subdev, doing the right checks against
    NULL pointers.
 
-   Example: err = v4l2_subdev_call(sd, core, g_chip_ident, &chip);
+   Example: err = v4l2_subdev_call(sd, core, s_std, norm);
  */
 #define v4l2_subdev_call(sd, o, f, args...)				\
 	(!(sd) ? -ENODEV : (((sd)->ops->o && (sd)->ops->o->f) ?	\

include/uapi/linux/videodev2.h

@@ -1787,11 +1787,13 @@ struct v4l2_event_subscription {
 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
 
 #define V4L2_CHIP_MATCH_BRIDGE      0  /* Match against chip ID on the bridge (0 for the bridge) */
+#define V4L2_CHIP_MATCH_SUBDEV      4  /* Match against subdev index */
+
+/* The following four defines are no longer in use */
 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
 #define V4L2_CHIP_MATCH_I2C_DRIVER  1  /* Match against I2C driver name */
 #define V4L2_CHIP_MATCH_I2C_ADDR    2  /* Match against I2C 7-bit address */
 #define V4L2_CHIP_MATCH_AC97        3  /* Match against ancillary AC97 chip */
-#define V4L2_CHIP_MATCH_SUBDEV      4  /* Match against subdev index */
 
 struct v4l2_dbg_match {
 	__u32 type; /* Match type */
@@ -1808,13 +1810,6 @@ struct v4l2_dbg_register {
 	__u64 val;
 } __attribute__ ((packed));
 
-/* VIDIOC_DBG_G_CHIP_IDENT */
-struct v4l2_dbg_chip_ident {
-	struct v4l2_dbg_match match;
-	__u32 ident;       /* chip identifier as specified in <media/v4l2-chip-ident.h> */
-	__u32 revision;    /* chip revision, chip specific */
-} __attribute__ ((packed));
-
 #define V4L2_CHIP_FL_READABLE (1 << 0)
 #define V4L2_CHIP_FL_WRITABLE (1 << 1)
 
@@ -1915,12 +1910,6 @@ struct v4l2_create_buffers {
 #define	VIDIOC_DBG_S_REGISTER 	 _IOW('V', 79, struct v4l2_dbg_register)
 #define	VIDIOC_DBG_G_REGISTER 	_IOWR('V', 80, struct v4l2_dbg_register)
 
-/* Experimental, meant for debugging, testing and internal use.
-   Never use this ioctl in applications!
-   Note: this ioctl is deprecated in favor of VIDIOC_DBG_G_CHIP_INFO and
-   will go away in the future. */
-#define VIDIOC_DBG_G_CHIP_IDENT _IOWR('V', 81, struct v4l2_dbg_chip_ident)
-
 #define VIDIOC_S_HW_FREQ_SEEK	 _IOW('V', 82, struct v4l2_hw_freq_seek)
 
 #define	VIDIOC_S_DV_TIMINGS	_IOWR('V', 87, struct v4l2_dv_timings)