Commit 7e89bd9f authored by Lad, Prabhakar's avatar Lad, Prabhakar Committed by Mauro Carvalho Chehab

[media] media: i2c: remove duplicate checks for EPERM in dbg_g/s_register

This patch removes check for EPERM in dbg_g/s_register of subdevice
drivers as this check is already performed by core.
Signed-off-by: default avatarLad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 39cc029f
......@@ -347,8 +347,6 @@ static int ad9389b_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->val = ad9389b_rd(sd, reg->reg & 0xff);
reg->size = 1;
return 0;
......@@ -360,8 +358,6 @@ static int ad9389b_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_regi
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
ad9389b_wr(sd, reg->reg & 0xff, reg->val & 0xff);
return 0;
}
......
......@@ -500,8 +500,6 @@ static int adv7183_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->val = adv7183_read(sd, reg->reg & 0xff);
reg->size = 1;
return 0;
......@@ -513,8 +511,6 @@ static int adv7183_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_regi
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
adv7183_write(sd, reg->reg & 0xff, reg->val & 0xff);
return 0;
}
......
......@@ -647,8 +647,6 @@ static int adv7604_g_register(struct v4l2_subdev *sd,
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->size = 1;
switch (reg->reg >> 8) {
case 0:
......@@ -705,8 +703,6 @@ static int adv7604_s_register(struct v4l2_subdev *sd,
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
switch (reg->reg >> 8) {
case 0:
io_write(sd, reg->reg & 0xff, reg->val & 0xff);
......
......@@ -103,8 +103,6 @@ static int cs5345_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *r
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->size = 1;
reg->val = cs5345_read(sd, reg->reg & 0x1f);
return 0;
......@@ -116,8 +114,6 @@ static int cs5345_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_regis
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
cs5345_write(sd, reg->reg & 0x1f, reg->val & 0xff);
return 0;
}
......
......@@ -1664,8 +1664,6 @@ static int cx25840_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->size = 1;
reg->val = cx25840_read(client, reg->reg & 0x0fff);
return 0;
......@@ -1677,8 +1675,6 @@ static int cx25840_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_regi
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
cx25840_write(client, reg->reg & 0x0fff, reg->val & 0xff);
return 0;
}
......
......@@ -87,8 +87,6 @@ static int m52790_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *r
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
if (reg->reg != 0)
return -EINVAL;
reg->size = 1;
......@@ -103,8 +101,6 @@ static int m52790_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_regis
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
if (reg->reg != 0)
return -EINVAL;
state->input = reg->val & 0x0303;
......
......@@ -411,8 +411,6 @@ static int mt9v011_g_register(struct v4l2_subdev *sd,
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->val = mt9v011_read(sd, reg->reg & 0xff);
reg->size = 2;
......@@ -427,8 +425,6 @@ static int mt9v011_s_register(struct v4l2_subdev *sd,
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
mt9v011_write(sd, reg->reg & 0xff, reg->val & 0xffff);
......
......@@ -1479,8 +1479,6 @@ static int ov7670_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *r
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
ret = ov7670_read(sd, reg->reg & 0xff, &val);
reg->val = val;
reg->size = 1;
......@@ -1493,8 +1491,6 @@ static int ov7670_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_regis
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
ov7670_write(sd, reg->reg & 0xff, reg->val & 0xff);
return 0;
}
......
......@@ -1464,8 +1464,6 @@ static int saa711x_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->val = saa711x_read(sd, reg->reg & 0xff);
reg->size = 1;
return 0;
......@@ -1477,8 +1475,6 @@ static int saa711x_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_regi
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
saa711x_write(sd, reg->reg & 0xff, reg->val & 0xff);
return 0;
}
......
......@@ -665,8 +665,6 @@ static int saa7127_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->val = saa7127_read(sd, reg->reg & 0xff);
reg->size = 1;
return 0;
......@@ -678,8 +676,6 @@ static int saa7127_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_regi
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
saa7127_write(sd, reg->reg & 0xff, reg->val & 0xff);
return 0;
}
......
......@@ -981,8 +981,6 @@ static int saa717x_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->val = saa717x_read(sd, reg->reg);
reg->size = 1;
return 0;
......@@ -996,8 +994,6 @@ static int saa717x_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_regi
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
saa717x_write(sd, addr, val);
return 0;
}
......
......@@ -236,8 +236,6 @@ static int ths7303_g_register(struct v4l2_subdev *sd,
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->size = 1;
reg->val = ths7303_read(sd, reg->reg);
......@@ -251,8 +249,6 @@ static int ths7303_s_register(struct v4l2_subdev *sd,
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
ths7303_write(sd, reg->reg, reg->val);
return 0;
......
......@@ -1054,8 +1054,6 @@ static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
res = tvp5150_read(sd, reg->reg & 0xff);
if (res < 0) {
v4l2_err(sd, "%s: failed with error = %d\n", __func__, res);
......@@ -1073,8 +1071,6 @@ static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_regi
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
return 0;
}
......
......@@ -736,8 +736,7 @@ static int tvp7002_query_dv_timings(struct v4l2_subdev *sd,
*
* Get the value of a TVP7002 decoder device register.
* Returns zero when successful, -EINVAL if register read fails or
* access to I2C client fails, -EPERM if the call is not allowed
* by disabled CAP_SYS_ADMIN.
* access to I2C client fails.
*/
static int tvp7002_g_register(struct v4l2_subdev *sd,
struct v4l2_dbg_register *reg)
......@@ -748,8 +747,6 @@ static int tvp7002_g_register(struct v4l2_subdev *sd,
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
ret = tvp7002_read(sd, reg->reg & 0xff, &val);
reg->val = val;
......@@ -762,8 +759,7 @@ static int tvp7002_g_register(struct v4l2_subdev *sd,
* @reg: ptr to v4l2_dbg_register struct
*
* Get the value of a TVP7002 decoder device register.
* Returns zero when successful, -EINVAL if register read fails or
* -EPERM if call not allowed.
* Returns zero when successful, -EINVAL if register read fails.
*/
static int tvp7002_s_register(struct v4l2_subdev *sd,
const struct v4l2_dbg_register *reg)
......@@ -772,8 +768,6 @@ static int tvp7002_s_register(struct v4l2_subdev *sd,
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
return tvp7002_write(sd, reg->reg & 0xff, reg->val & 0xff);
}
......
......@@ -168,8 +168,6 @@ static int upd64031a_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->val = upd64031a_read(sd, reg->reg & 0xff);
reg->size = 1;
return 0;
......@@ -181,8 +179,6 @@ static int upd64031a_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_re
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
upd64031a_write(sd, reg->reg & 0xff, reg->val & 0xff);
return 0;
}
......
......@@ -126,8 +126,6 @@ static int upd64083_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->val = upd64083_read(sd, reg->reg & 0xff);
reg->size = 1;
return 0;
......@@ -139,8 +137,6 @@ static int upd64083_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_reg
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
upd64083_write(sd, reg->reg & 0xff, reg->val & 0xff);
return 0;
}
......
......@@ -741,8 +741,6 @@ static int vs6624_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *r
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
reg->val = vs6624_read(sd, reg->reg & 0xffff);
reg->size = 1;
return 0;
......@@ -754,8 +752,6 @@ static int vs6624_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_regis
if (!v4l2_chip_match_i2c_client(client, &reg->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
vs6624_write(sd, reg->reg & 0xffff, reg->val & 0xff);
return 0;
}
......
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