media: cxd2880:Optimized spi drive current and BER/PER set/get condition
This is the optimization for SPI drive current and signal lock condition check part for BER/PER measure to ensure BER/PER are stable Signed-off-by: Yasunari Takiguchi <Yasunari.Takiguchi@sony.com> Signed-off-by: Masayuki Yamamoto <Masayuki.Yamamoto@sony.com> Signed-off-by: Hideki Nozawa <Hideki.Nozawa@sony.com> Signed-off-by: Kota Yonezawa <Kota.Yonezawa@sony.com> Signed-off-by: Toshihiko Matsumoto <Toshihiko.Matsumoto@sony.com> Signed-off-by: Satoshi Watanabe <Satoshi.C.Watanabe@sony.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
parent
447f0081fc
commit
f2e7af0bae
|
@ -520,6 +520,15 @@ static int cxd2880_init(struct dvb_frontend *fe)
|
|||
pr_err("cxd2880 integ init failed %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = cxd2880_tnrdmd_set_cfg(&priv->tnrdmd,
|
||||
CXD2880_TNRDMD_CFG_TSPIN_CURRENT,
|
||||
0x00);
|
||||
if (ret) {
|
||||
mutex_unlock(priv->spi_mutex);
|
||||
pr_err("cxd2880 set config failed %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
mutex_unlock(priv->spi_mutex);
|
||||
|
||||
pr_debug("OK.\n");
|
||||
|
@ -1126,7 +1135,7 @@ static int cxd2880_get_stats(struct dvb_frontend *fe,
|
|||
priv = fe->demodulator_priv;
|
||||
c = &fe->dtv_property_cache;
|
||||
|
||||
if (!(status & FE_HAS_LOCK)) {
|
||||
if (!(status & FE_HAS_LOCK) || !(status & FE_HAS_CARRIER)) {
|
||||
c->pre_bit_error.len = 1;
|
||||
c->pre_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
|
||||
c->pre_bit_count.len = 1;
|
||||
|
@ -1345,7 +1354,8 @@ static int cxd2880_read_status(struct dvb_frontend *fe,
|
|||
|
||||
pr_debug("status %d\n", *status);
|
||||
|
||||
if (priv->s == 0 && (*status & FE_HAS_LOCK)) {
|
||||
if (priv->s == 0 && (*status & FE_HAS_LOCK) &&
|
||||
(*status & FE_HAS_CARRIER)) {
|
||||
mutex_lock(priv->spi_mutex);
|
||||
if (c->delivery_system == SYS_DVBT) {
|
||||
ret = cxd2880_set_ber_per_period_t(fe);
|
||||
|
|
Loading…
Reference in a new issue