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Commit 30ae3307 authored by Abylay Ospan's avatar Abylay Ospan Committed by Mauro Carvalho Chehab
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[media] Sanity check when initializing DVB-S/S2 demodulator 



Avoid error message:
cxd2841er_read_status_s(): invalid state 1
Always force demod to shutdown state before initializing

Signed-off-by: default avatarAbylay Ospan <aospan@netup.ru>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent c5ea46da

drivers/media/dvb-frontends/cxd2841er.c

+12 −0
Original line number Diff line number Diff line
@@ -3133,6 +3133,18 @@ static int cxd2841er_init_s(struct dvb_frontend *fe) 
{

	struct cxd2841er_priv *priv = fe->demodulator_priv;



	/* sanity. force demod to SHUTDOWN state */

	if (priv->state == STATE_SLEEP_S) {

		dev_dbg(&priv->i2c->dev, "%s() forcing sleep->shutdown\n",

				__func__);

		cxd2841er_sleep_s_to_shutdown(priv);

	} else if (priv->state == STATE_ACTIVE_S) {

		dev_dbg(&priv->i2c->dev, "%s() forcing active->sleep->shutdown\n",

				__func__);

		cxd2841er_active_s_to_sleep_s(priv);

		cxd2841er_sleep_s_to_shutdown(priv);

	}



	dev_dbg(&priv->i2c->dev, "%s()\n", __func__);

	cxd2841er_shutdown_to_sleep_s(priv);

	/* SONY_DEMOD_CONFIG_SAT_IFAGCNEG set to 1 */