diff options
Diffstat (limited to 'drivers/media/dvb/frontends/cx24110.c')
| -rw-r--r-- | drivers/media/dvb/frontends/cx24110.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/media/dvb/frontends/cx24110.c b/drivers/media/dvb/frontends/cx24110.c index ce3c7398bac..ae96395217a 100644 --- a/drivers/media/dvb/frontends/cx24110.c +++ b/drivers/media/dvb/frontends/cx24110.c @@ -1,4 +1,4 @@ -/* + /* cx24110 - Single Chip Satellite Channel Receiver driver module Copyright (C) 2002 Peter Hettkamp <peter.hettkamp@htp-tel.de> based on @@ -311,16 +311,17 @@ static int cx24110_set_symbolrate (struct cx24110_state* state, u32 srate) } -int cx24110_pll_write (struct dvb_frontend* fe, u32 data) +static int _cx24110_pll_write (struct dvb_frontend* fe, u8 *buf, int len) { struct cx24110_state *state = fe->demodulator_priv; + if (len != 3) + return -EINVAL; + /* tuner data is 21 bits long, must be left-aligned in data */ /* tuner cx24108 is written through a dedicated 3wire interface on the demod chip */ /* FIXME (low): add error handling, avoid infinite loops if HW fails... */ - dprintk("cx24110 debug: cx24108_write(%8.8x)\n",data); - cx24110_writereg(state,0x6d,0x30); /* auto mode at 62kHz */ cx24110_writereg(state,0x70,0x15); /* auto mode 21 bits */ @@ -329,19 +330,19 @@ int cx24110_pll_write (struct dvb_frontend* fe, u32 data) cx24110_writereg(state,0x72,0); /* write the topmost 8 bits */ - cx24110_writereg(state,0x72,(data>>24)&0xff); + cx24110_writereg(state,0x72,buf[0]); /* wait for the send to be completed */ while ((cx24110_readreg(state,0x6d)&0xc0)==0x80) ; /* send another 8 bytes */ - cx24110_writereg(state,0x72,(data>>16)&0xff); + cx24110_writereg(state,0x72,buf[1]); while ((cx24110_readreg(state,0x6d)&0xc0)==0x80) ; /* and the topmost 5 bits of this byte */ - cx24110_writereg(state,0x72,(data>>8)&0xff); + cx24110_writereg(state,0x72,buf[2]); while ((cx24110_readreg(state,0x6d)&0xc0)==0x80) ; @@ -642,6 +643,7 @@ static struct dvb_frontend_ops cx24110_ops = { .release = cx24110_release, .init = cx24110_initfe, + .write = _cx24110_pll_write, .set_frontend = cx24110_set_frontend, .get_frontend = cx24110_get_frontend, .read_status = cx24110_read_status, @@ -664,4 +666,3 @@ MODULE_AUTHOR("Peter Hettkamp"); MODULE_LICENSE("GPL"); EXPORT_SYMBOL(cx24110_attach); -EXPORT_SYMBOL(cx24110_pll_write); |