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[media] cx18: remove g_chip_ident support

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The av-core is really a subdev, so there is no need anymore to act as if it
is a 'second' bridge chip.
As a result of this the g_chip_ident implementation can be completely dropped.

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
2013-05-29 06:59:36 -03:00
committed by Mauro Carvalho Chehab
父節點 abca2056dc
當前提交 076c3454d6
共有 3 個文件被更改，包括 7 次插入 和 104 次删除
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78
drivers/media/pci/cx18/cx18-ioctl.c
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@@ -39,7 +39,6 @@
#include "cx18-cards.h"
#include "cx18-av-core.h"
#include <media/tveeprom.h>
#include <media/v4l2-chip-ident.h>
u16 cx18_service2vbi(int type)
{
@@ -362,73 +361,16 @@ static int cx18_s_fmt_sliced_vbi_cap(struct file *file, void *fh,
return 0;
}
static int cx18_g_chip_ident(struct file *file, void *fh,
struct v4l2_dbg_chip_ident *chip)
{
struct cx18 *cx = fh2id(fh)->cx;
int err = 0;
chip->ident = V4L2_IDENT_NONE;
chip->revision = 0;
switch (chip->match.type) {
case V4L2_CHIP_MATCH_HOST:
switch (chip->match.addr) {
case 0:
chip->ident = V4L2_IDENT_CX23418;
chip->revision = cx18_read_reg(cx, 0xC72028);
break;
case 1:
/*
* The A/V decoder is always present, but in the rare
* case that the card doesn't have analog, we don't
* use it. We find it w/o using the cx->sd_av pointer
*/
cx18_call_hw(cx, CX18_HW_418_AV,
core, g_chip_ident, chip);
break;
default:
/*
* Could return ident = V4L2_IDENT_UNKNOWN if we had
* other host chips at higher addresses, but we don't
*/
err = -EINVAL; /* per V4L2 spec */
break;
}
break;
case V4L2_CHIP_MATCH_I2C_DRIVER:
/* If needed, returns V4L2_IDENT_AMBIGUOUS without extra work */
cx18_call_all(cx, core, g_chip_ident, chip);
break;
case V4L2_CHIP_MATCH_I2C_ADDR:
/*
* We could return V4L2_IDENT_UNKNOWN, but we don't do the work
* to look if a chip is at the address with no driver. That's a
* dangerous thing to do with EEPROMs anyway.
*/
cx18_call_all(cx, core, g_chip_ident, chip);
break;
default:
err = -EINVAL;
break;
}
return err;
}
#ifdef CONFIG_VIDEO_ADV_DEBUG
static int cx18_g_register(struct file *file, void *fh,
struct v4l2_dbg_register *reg)
{
struct cx18 *cx = fh2id(fh)->cx;
if (v4l2_chip_match_host(&reg->match)) {
if (reg->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE)
return -EINVAL;
reg->size = 4;
reg->val = cx18_read_enc(cx, reg->reg);
return 0;
}
/* FIXME - errors shouldn't be ignored */
cx18_call_all(cx, core, g_register, reg);
if (reg->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE)
return -EINVAL;
reg->size = 4;
reg->val = cx18_read_enc(cx, reg->reg);
return 0;
}
@@ -437,14 +379,9 @@ static int cx18_s_register(struct file *file, void *fh,
{
struct cx18 *cx = fh2id(fh)->cx;
if (v4l2_chip_match_host(&reg->match)) {
if (reg->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE)
return -EINVAL;
cx18_write_enc(cx, reg->val, reg->reg);
return 0;
}
/* FIXME - errors shouldn't be ignored */
cx18_call_all(cx, core, s_register, reg);
if (reg->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE)
return -EINVAL;
cx18_write_enc(cx, reg->val, reg->reg);
return 0;
}
#endif
@@ -1162,7 +1099,6 @@ static const struct v4l2_ioctl_ops cx18_ioctl_ops = {
.vidioc_try_fmt_vbi_cap = cx18_try_fmt_vbi_cap,
.vidioc_try_fmt_sliced_vbi_cap = cx18_try_fmt_sliced_vbi_cap,
.vidioc_g_sliced_vbi_cap = cx18_g_sliced_vbi_cap,
.vidioc_g_chip_ident = cx18_g_chip_ident,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx18_g_register,
.vidioc_s_register = cx18_s_register,