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[media] v4l2: remove obsolete v4l2_chip_match_host() 

This function is no longer needed since it is now the responsibility of the
v4l2 core to check if the DBG_G/S_REGISTER and DBG_G_CHIP_INFO ioctls are
called for the bridge driver or not.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2013-05-26 08:24:00 -03:00 committed by Mauro Carvalho Chehab
parent facd23664f
commit 6ec19898ed
3 changed files with 0 additions and 16 deletions
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4
drivers/media/usb/usbvision/usbvision-video.c
View File

@ -467,8 +467,6 @@ static int vidioc_g_register(struct file *file, void *priv,
struct usb_usbvision *usbvision = video_drvdata(file);
int err_code;
if (!v4l2_chip_match_host(&reg->match))
return -EINVAL;
/* NT100x has a 8-bit register space */
err_code = usbvision_read_reg(usbvision, reg->reg&0xff);
if (err_code < 0) {
@ -488,8 +486,6 @@ static int vidioc_s_register(struct file *file, void *priv,
struct usb_usbvision *usbvision = video_drvdata(file);
int err_code;
if (!v4l2_chip_match_host(&reg->match))
return -EINVAL;
/* NT100x has a 8-bit register space */
err_code = usbvision_write_reg(usbvision, reg->reg & 0xff, reg->val);
if (err_code < 0) {

11
drivers/media/v4l2-core/v4l2-common.c
View File

@ -227,17 +227,6 @@ u32 v4l2_ctrl_next(const u32 * const * ctrl_classes, u32 id)
}
EXPORT_SYMBOL(v4l2_ctrl_next);
int v4l2_chip_match_host(const struct v4l2_dbg_match *match)
{
switch (match->type) {
case V4L2_CHIP_MATCH_BRIDGE:
return match->addr == 0;
default:
return 0;
}
}
EXPORT_SYMBOL(v4l2_chip_match_host);
#if IS_ENABLED(CONFIG_I2C)
int v4l2_chip_match_i2c_client(struct i2c_client *c, const struct v4l2_dbg_match *match)
{

1
include/media/v4l2-common.h
View File

@ -106,7 +106,6 @@ struct i2c_client; /* forward reference */
int v4l2_chip_match_i2c_client(struct i2c_client *c, const struct v4l2_dbg_match *match);
int v4l2_chip_ident_i2c_client(struct i2c_client *c, struct v4l2_dbg_chip_ident *chip,
u32 ident, u32 revision);
int v4l2_chip_match_host(const struct v4l2_dbg_match *match);
/* ------------------------------------------------------------------------- */