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Commit 5fa88151 authored by CrazyCat's avatar CrazyCat Committed by Mauro Carvalho Chehab
Browse files

[media] dvb-usb-cxusb: Geniatech T230 - resync TS FIFO after lock 



This patch fix streaming issue for Geniatech T230/PT360.

Signed-off-by: default avatarCrazyCat <crazycat69@narod.ru>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent bfc303e7

drivers/media/usb/dvb-usb/cxusb.c

+26 −0
Original line number Diff line number Diff line
@@ -369,6 +369,26 @@ static int cxusb_aver_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) 
	return 0;

}



static int cxusb_read_status(struct dvb_frontend *fe,

				  enum fe_status *status)

{

	struct dvb_usb_adapter *adap = (struct dvb_usb_adapter *)fe->dvb->priv;

	struct cxusb_state *state = (struct cxusb_state *)adap->dev->priv;

	int ret;



	ret = state->fe_read_status(fe, status);



	/* it need resync slave fifo when signal change from unlock to lock.*/

	if ((*status & FE_HAS_LOCK) && (!state->last_lock)) {

		mutex_lock(&state->stream_mutex);

		cxusb_streaming_ctrl(adap, 1);

		mutex_unlock(&state->stream_mutex);

	}



	state->last_lock = (*status & FE_HAS_LOCK) ? 1 : 0;

	return ret;

}



static void cxusb_d680_dmb_drain_message(struct dvb_usb_device *d)

{

	int       ep = d->props.generic_bulk_ctrl_endpoint;
@@ -1372,6 +1392,12 @@ static int cxusb_mygica_t230_frontend_attach(struct dvb_usb_adapter *adap) 


	st->i2c_client_tuner = client_tuner;



	/* hook fe: need to resync the slave fifo when signal locks. */

	mutex_init(&st->stream_mutex);

	st->last_lock = 0;

	st->fe_read_status = adap->fe_adap[0].fe->ops.read_status;

	adap->fe_adap[0].fe->ops.read_status = cxusb_read_status;



	return 0;

}

drivers/media/usb/dvb-usb/cxusb.h

+5 −0
Original line number Diff line number Diff line
@@ -37,6 +37,11 @@ struct cxusb_state { 
	struct i2c_client *i2c_client_tuner;



	unsigned char data[MAX_XFER_SIZE];



	struct mutex stream_mutex;

	u8 last_lock;

	int (*fe_read_status)(struct dvb_frontend *fe,

		enum fe_status *status);

};



#endif