media: cxd2880:Optimized spi drive current and BER/PER set/get condition (f2e7af0b) · Commits · 戴 / test

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:

drivers/media/dvb-frontends/cxd2880/cxd2880_top.c

+12 −2

Original line number	Diff line number	Diff line
		@@ -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);