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atv_demod: Optimize atv demod when search. [1/2]

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PD#167151: atv_demod: Optimize atv demod when search.

Change-Id: Iae643c898cc8b19314c6cc5e5d02a20b71ba392f
Signed-off-by: nengwen.chen <nengwen.chen@amlogic.com>
This commit is contained in:
nengwen.chen
2018-05-28 19:36:24 +08:00
committed by Yixun Lan
parent 9cbd99daf1
commit 33049edfb4
2 changed files with 14 additions and 10 deletions
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15
drivers/amlogic/atv_demod/atv_demod_ops.c
View File

@@ -333,7 +333,7 @@ void aml_fe_get_atvaudio_state(int *state)
if ((vpll_lock == 0) && (line_lock == 0))
retrieve_vpll_carrier_audio_power(&power);
} else
pr_err("%s, atv is not work, atv_state: %d.\n",
pr_audio("%s, atv is not work, atv_state: %d.\n",
__func__, atv_state);
if (power >= 150)
@@ -554,11 +554,11 @@ static void atv_demod_set_params(struct dvb_frontend *fe,
last_frq = atvdemod_param->param.frequency;
last_std = atvdemod_param->param.std;
#endif
if (1) {
/*
* atvdemod_param->param.std != amlatvdemod_devp->std ||
* atvdemod_param->param.audmode != amlatvdemod_devp->audmode
*/
if (amlatvdemod_devp->std != atvdemod_param->param.std ||
amlatvdemod_devp->audmode != atvdemod_param->param.audmode ||
amlatvdemod_devp->if_freq != atvdemod_param->if_freq ||
amlatvdemod_devp->if_inv != atvdemod_param->if_inv ||
amlatvdemod_devp->tuner_id != atvdemod_param->tuner_id) {
amlatvdemod_devp->std = atvdemod_param->param.std;
amlatvdemod_devp->audmode =
atvdemod_param->param.audmode;
@@ -584,6 +584,7 @@ static void atv_demod_set_params(struct dvb_frontend *fe,
}
/* afc tune enable */
/* analog_search_flag == 0 or afc_range != 0 means searching */
if ((fe->ops.info.type == FE_ANALOG)
&& (atv_demod_get_scan_mode() == 0)
&& (atvdemod_param->param.mode == 0))
@@ -702,6 +703,8 @@ static int atv_demod_set_config(struct dvb_frontend *fe, void *priv_cfg)
mutex_unlock(&atv_demod_list_mutex);
pr_info("%s: OK.\n", __func__);
return 0;
}

9
drivers/amlogic/atv_demod/atv_demod_v4l2.c
View File

@@ -647,8 +647,8 @@ static enum v4l2_search v4l2_frontend_search(struct v4l2_frontend *v4l2_fe)
pr_dbg("[%s] time_delta:%d ms\n",
__func__, time_delta);
#endif
/*sync param */
//aml_fe_analog_sync_frontend(fe);
/* sync param */
/* aml_fe_analog_sync_frontend(fe); */
priv_cfg = AML_ATVDEMOD_UNSCAN_MODE;
fe->ops.analog_ops.set_config(fe, &priv_cfg);
return V4L2_SEARCH_SUCCESS;
@@ -674,16 +674,17 @@ static enum v4l2_search v4l2_frontend_search(struct v4l2_frontend *v4l2_fe)
__func__,
(uint32_t) p->std, p->frequency);
++search_count;
if (p->frequency >= 44200000 &&
p->frequency <= 44300000 &&
double_check_cnt) {
double_check_cnt--;
p->frequency -= afc_step;
pr_err("%s 44.25Mhz double check\n", __func__);
} else
} else {
++search_count;
p->frequency += afc_step * ((search_count % 2) ?
-search_count : search_count);
}
#ifdef DEBUG_TIME_CUS
time_end = jiffies_to_msecs(jiffies);