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dtv_demod: TXLX ISDB-T can't search channel [1/1]

Browse Source 
PD#SWPL-3987

Problem:
[Einstein]use ISDB-T cannot search any channel

Solution:
release cma memory at leave_mode for ISDB-t&DVB-T

Verify:
verified by t962x_r311

Change-Id: I9b79687a4d5270932ab30afaa3e7d2817e900149
Signed-off-by: Zhiwei Yuan <zhiwei.yuan@amlogic.com>
This commit is contained in:
Zhiwei Yuan
2019-01-10 13:52:36 +08:00
committed by Jianxin Pan
parent 9a88a3da6c
commit 6f894cf6f8
1 changed files with 7 additions and 11 deletions
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18
drivers/amlogic/media/dtv_demod/amlfrontend.c
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@@ -2752,6 +2752,7 @@ static bool enter_mode(enum aml_fe_n_mode_t mode)
timer_set_max(D_TIMER_DETECT, 2000);
/*reset is 4s*/
timer_set_max(D_TIMER_SET, 4000);
if (devn->cma_flag == 1) {
PR_DBG("CMA MODE, cma flag is %d,mem size is %d",
devn->cma_flag,
@@ -2761,11 +2762,11 @@ static bool enter_mode(enum aml_fe_n_mode_t mode)
} else {
ret = false;
return ret;
}
} else {
memstart_dtmb = devn->mem_start;/*??*/
}
PR_DBG("[im]memstart is %x\n", memstart_dtmb);
dvbt_write_reg((0x10 << 2), memstart_dtmb);
}
@@ -2792,16 +2793,7 @@ static int leave_mode(enum aml_fe_n_mode_t mode)
/*dvbc_timer_exit();*/
if (cci_thread)
dvbc_kill_cci_task();
#if 0
if (mode == AM_FE_DTMB_N) {
dtmb_poll_stop(); /*polling mode*/
/* close arbit */
demod_write_reg(DEMOD_TOP_REGC, 0x0);
if (devn->cma_flag == 1)
dtmb_cma_release(devn);
}
#else
if (mode == AM_FE_DTMB_N) {
if (dtvdd_devp->act_dtmb) {
dtmb_poll_stop(); /*polling mode*/
@@ -2810,12 +2802,16 @@ static int leave_mode(enum aml_fe_n_mode_t mode)
dtvdd_devp->act_dtmb = false;
}
if ((devn->cma_flag == 1) && dtvdd_devp->flg_cma_allc) {
dtmb_cma_release(devn);
dtvdd_devp->flg_cma_allc = false;
}
} else if (mode == AM_FE_OFDM_N || mode == AM_FE_ISDBT_N) {
if ((devn->cma_flag == 1) && dtvdd_devp->flg_cma_allc) {
dtmb_cma_release(devn);
dtvdd_devp->flg_cma_allc = false;
}
}
#endif
adc_set_pll_cntl(0, 0x04, NULL);
demod_mode_para = UNKNOWN;