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atv_demod: fix synchronization problem when get frontend [1/1]

Browse Source 
PD#TV-8131

Problem:
fix synchronization problem when get frontend.

Solution:
1.fix synchronization problem when get frontend.

Verify:
Verified by x301

Change-Id: Ic0580a83448fe75529615ffa08cb526e205ef9a8
Signed-off-by: nengwen.chen <nengwen.chen@amlogic.com>
This commit is contained in:
nengwen.chen
2019-07-23 15:21:05 +08:00
committed by Luke Go
parent acefbfdd5b
commit 8d4026515c
2 changed files with 13 additions and 5 deletions
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2
drivers/amlogic/atv_demod/atv_demod_ops.c
View File

@@ -260,6 +260,8 @@ static void atv_demod_set_params(struct dvb_frontend *fe,
/* for searching mute audio */
priv->standby = false;
pr_dbg("%s: frequency %d.\n", __func__, p->param.frequency);
}
}

16
drivers/amlogic/atv_demod/atv_demod_v4l2.c
View File

@@ -341,8 +341,11 @@ static int v4l2_frontend_start(struct v4l2_frontend *v4l2_fe)
static int v4l2_frontend_check_mode(struct v4l2_frontend *v4l2_fe)
{
if (v4l2_fe->mode != V4L2_TUNER_ANALOG_TV)
if (v4l2_fe->mode != V4L2_TUNER_ANALOG_TV) {
pr_dbg("%s: not in analog TV mode [%d].\n",
__func__, v4l2_fe->mode);
return -EINVAL;
}
return 0;
}
@@ -357,8 +360,6 @@ static int v4l2_set_frontend(struct v4l2_frontend *v4l2_fe,
struct dvb_frontend *fe = &v4l2_fe->fe;
struct v4l2_property tvp = { 0 };
pr_dbg("%s.\n", __func__);
if (v4l2_frontend_check_mode(v4l2_fe) < 0)
return -EINVAL;
@@ -394,6 +395,8 @@ static int v4l2_set_frontend(struct v4l2_frontend *v4l2_fe,
v4l2_fe->params.afc_range = params->afc_range;
v4l2_fe->params.reserved = params->reserved;
pr_dbg("%s: params->flag 0x%x.\n", __func__, params->flag);
/* Request the search algorithm to search */
if (params->flag & ANALOG_FLAG_ENABLE_AFC) {
fepriv->state = V4L2FE_STATE_RETUNE;
@@ -427,7 +430,8 @@ static int v4l2_set_frontend(struct v4l2_frontend *v4l2_fe,
static int v4l2_get_frontend(struct v4l2_frontend *v4l2_fe,
struct v4l2_analog_parameters *p)
{
pr_dbg("%s.\n", __func__);
if (v4l2_frontend_check_mode(v4l2_fe) < 0)
return -EINVAL;
/*memcpy(p, &v4l2_fe->params, sizeof(struct v4l2_analog_parameters));*/
p->frequency = v4l2_fe->params.frequency;
@@ -438,6 +442,8 @@ static int v4l2_get_frontend(struct v4l2_frontend *v4l2_fe,
p->afc_range = v4l2_fe->params.afc_range;
p->reserved = v4l2_fe->params.reserved;
pr_dbg("%s: frequency %d.\n", __func__, p->frequency);
return 0;
}
@@ -820,7 +826,7 @@ static long v4l2_frontend_ioctl(struct file *filp, void *fh, bool valid_prio,
if (fepriv->exit != V4L2_FE_NO_EXIT)
return -ENODEV;
if (cmd == V4L2_READ_STATUS || cmd == V4L2_GET_FRONTEND)
if (cmd == V4L2_READ_STATUS/* || cmd == V4L2_GET_FRONTEND */)
need_lock = 0;
if (need_lock)