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media: i2c: lt7911d: fix reset operation

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Signed-off-by: Jianwei Fan <jianwei.fan@rock-chips.com>
Change-Id: I5d97e98c0b26848262fa39dd1b484b23567bd4c2
This commit is contained in:
Jianwei Fan
2022-10-11 02:29:31 +00:00
committed by Tao Huang
parent 7f2c76d5a9
commit b541c6aa8d
1 changed files with 2 additions and 13 deletions
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15
drivers/media/i2c/lt7911d.c
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@@ -1035,16 +1035,6 @@ static const struct v4l2_ctrl_config lt7911d_ctrl_audio_present = {
.flags = V4L2_CTRL_FLAG_READ_ONLY,
};
static void lt7911d_reset(struct lt7911d_state *lt7911d)
{
gpiod_set_value(lt7911d->reset_gpio, 0);
usleep_range(2000, 2100);
gpiod_set_value(lt7911d->reset_gpio, 1);
usleep_range(120*1000, 121*1000);
gpiod_set_value(lt7911d->reset_gpio, 0);
usleep_range(300*1000, 310*1000);
}
static int lt7911d_init_v4l2_ctrls(struct lt7911d_state *lt7911d)
{
struct v4l2_subdev *sd;
@@ -1175,7 +1165,8 @@ static int lt7911d_probe_of(struct lt7911d_state *lt7911d)
lt7911d->enable_hdcp = false;
gpiod_set_value(lt7911d->power_gpio, 1);
lt7911d_reset(lt7911d);
usleep_range(2000, 3000);
gpiod_set_value(lt7911d->reset_gpio, 0);
ret = 0;
@@ -1248,8 +1239,6 @@ static int lt7911d_probe(struct i2c_client *client,
if (err < 0)
return err;
lt7911d_reset(lt7911d);
mutex_init(&lt7911d->confctl_mutex);
err = lt7911d_init_v4l2_ctrls(lt7911d);
if (err)