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path: root/drivers/media/pci/ivtv/ivtv-ioctl.c
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Diffstat (limited to 'drivers/media/pci/ivtv/ivtv-ioctl.c')
-rw-r--r--drivers/media/pci/ivtv/ivtv-ioctl.c45
1 files changed, 6 insertions, 39 deletions
diff --git a/drivers/media/pci/ivtv/ivtv-ioctl.c b/drivers/media/pci/ivtv/ivtv-ioctl.c
index 9cbbce0eaed..807b275a847 100644
--- a/drivers/media/pci/ivtv/ivtv-ioctl.c
+++ b/drivers/media/pci/ivtv/ivtv-ioctl.c
@@ -34,7 +34,6 @@
#include "ivtv-cards.h"
#include <media/saa7127.h>
#include <media/tveeprom.h>
-#include <media/v4l2-chip-ident.h>
#include <media/v4l2-event.h>
#include <linux/dvb/audio.h>
@@ -692,31 +691,13 @@ static int ivtv_s_fmt_vid_out_overlay(struct file *file, void *fh, struct v4l2_f
return ret;
}
-static int ivtv_g_chip_ident(struct file *file, void *fh, struct v4l2_dbg_chip_ident *chip)
-{
- struct ivtv *itv = fh2id(fh)->itv;
-
- chip->ident = V4L2_IDENT_NONE;
- chip->revision = 0;
- if (chip->match.type == V4L2_CHIP_MATCH_HOST) {
- if (v4l2_chip_match_host(&chip->match))
- chip->ident = itv->has_cx23415 ? V4L2_IDENT_CX23415 : V4L2_IDENT_CX23416;
- return 0;
- }
- if (chip->match.type != V4L2_CHIP_MATCH_I2C_DRIVER &&
- chip->match.type != V4L2_CHIP_MATCH_I2C_ADDR)
- return -EINVAL;
- /* TODO: is this correct? */
- return ivtv_call_all_err(itv, core, g_chip_ident, chip);
-}
-
#ifdef CONFIG_VIDEO_ADV_DEBUG
static int ivtv_itvc(struct ivtv *itv, bool get, u64 reg, u64 *val)
{
volatile u8 __iomem *reg_start;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
+ if (reg & 0x3)
+ return -EINVAL;
if (reg >= IVTV_REG_OFFSET && reg < IVTV_REG_OFFSET + IVTV_REG_SIZE)
reg_start = itv->reg_mem - IVTV_REG_OFFSET;
else if (itv->has_cx23415 && reg >= IVTV_DECODER_OFFSET &&
@@ -738,29 +719,16 @@ static int ivtv_g_register(struct file *file, void *fh, struct v4l2_dbg_register
{
struct ivtv *itv = fh2id(fh)->itv;
- if (v4l2_chip_match_host(&reg->match)) {
- reg->size = 4;
- return ivtv_itvc(itv, true, reg->reg, &reg->val);
- }
- /* TODO: subdev errors should not be ignored, this should become a
- subdev helper function. */
- ivtv_call_all(itv, core, g_register, reg);
- return 0;
+ reg->size = 4;
+ return ivtv_itvc(itv, true, reg->reg, &reg->val);
}
static int ivtv_s_register(struct file *file, void *fh, const struct v4l2_dbg_register *reg)
{
struct ivtv *itv = fh2id(fh)->itv;
+ u64 val = reg->val;
- if (v4l2_chip_match_host(&reg->match)) {
- u64 val = reg->val;
-
- return ivtv_itvc(itv, false, reg->reg, &val);
- }
- /* TODO: subdev errors should not be ignored, this should become a
- subdev helper function. */
- ivtv_call_all(itv, core, s_register, reg);
- return 0;
+ return ivtv_itvc(itv, false, reg->reg, &val);
}
#endif
@@ -1914,7 +1882,6 @@ static const struct v4l2_ioctl_ops ivtv_ioctl_ops = {
.vidioc_try_fmt_vid_out_overlay = ivtv_try_fmt_vid_out_overlay,
.vidioc_try_fmt_sliced_vbi_out = ivtv_try_fmt_sliced_vbi_out,
.vidioc_g_sliced_vbi_cap = ivtv_g_sliced_vbi_cap,
- .vidioc_g_chip_ident = ivtv_g_chip_ident,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = ivtv_g_register,
.vidioc_s_register = ivtv_s_register,