[media] v4l2: remove g_chip_ident from bridge drivers where it is easy to do so

VIDIOC_DBG_G_CHIP_IDENT has been replaced by VIDIOC_DBG_G_CHIP_INFO. Remove
g_chip_ident support from bridge drivers since it is no longer needed.
This patch takes care of all the trivial cases.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/usb/stk1160/stk1160-v4l.c

@@ -31,7 +31,6 @@
 #include <media/v4l2-ioctl.h>
 #include <media/v4l2-fh.h>
 #include <media/v4l2-event.h>
-#include <media/v4l2-chip-ident.h>
 #include <media/videobuf2-vmalloc.h>
 
 #include <media/saa7115.h>
@@ -454,19 +453,6 @@ static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
 	return 0;
 }
 
-static int vidioc_g_chip_ident(struct file *file, void *priv,
-	       struct v4l2_dbg_chip_ident *chip)
-{
-	switch (chip->match.type) {
-	case V4L2_CHIP_MATCH_BRIDGE:
-		chip->ident = V4L2_IDENT_NONE;
-		chip->revision = 0;
-		return 0;
-	default:
-		return -EINVAL;
-	}
-}
-
 #ifdef CONFIG_VIDEO_ADV_DEBUG
 static int vidioc_g_register(struct file *file, void *priv,
 			     struct v4l2_dbg_register *reg)
@@ -475,19 +461,6 @@ static int vidioc_g_register(struct file *file, void *priv,
 	int rc;
 	u8 val;
 
-	switch (reg->match.type) {
-	case V4L2_CHIP_MATCH_I2C_DRIVER:
-		v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg);
-		return 0;
-	case V4L2_CHIP_MATCH_I2C_ADDR:
-		/* TODO: is this correct? */
-		v4l2_device_call_all(&dev->v4l2_dev, 0, core, g_register, reg);
-		return 0;
-	default:
-		if (!v4l2_chip_match_host(&reg->match))
-			return -EINVAL;
-	}
-
 	/* Match host */
 	rc = stk1160_read_reg(dev, reg->reg, &val);
 	reg->val = val;
@@ -501,19 +474,6 @@ static int vidioc_s_register(struct file *file, void *priv,
 {
 	struct stk1160 *dev = video_drvdata(file);
 
-	switch (reg->match.type) {
-	case V4L2_CHIP_MATCH_I2C_DRIVER:
-		v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg);
-		return 0;
-	case V4L2_CHIP_MATCH_I2C_ADDR:
-		/* TODO: is this correct? */
-		v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg);
-		return 0;
-	default:
-		if (!v4l2_chip_match_host(&reg->match))
-			return -EINVAL;
-	}
-
 	/* Match host */
 	return stk1160_write_reg(dev, reg->reg, cpu_to_le16(reg->val));
 }
@@ -543,7 +503,6 @@ static const struct v4l2_ioctl_ops stk1160_ioctl_ops = {
 	.vidioc_log_status  = v4l2_ctrl_log_status,
 	.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
 	.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
-	.vidioc_g_chip_ident = vidioc_g_chip_ident,
 
 #ifdef CONFIG_VIDEO_ADV_DEBUG
 	.vidioc_g_register = vidioc_g_register,