diff options
Diffstat (limited to 'linux/drivers/media/dvb')
| -rw-r--r-- | linux/drivers/media/dvb/frontends/alps_tdlb7.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/linux/drivers/media/dvb/frontends/alps_tdlb7.c b/linux/drivers/media/dvb/frontends/alps_tdlb7.c index 732fdffed..01369c615 100644 --- a/linux/drivers/media/dvb/frontends/alps_tdlb7.c +++ b/linux/drivers/media/dvb/frontends/alps_tdlb7.c @@ -269,6 +269,7 @@ int sp8870_reset (struct dvb_i2c_bus *i2c) return 0; } + static int tdlb7_ioctl (struct dvb_frontend *fe, unsigned int cmd, void *arg) { @@ -283,10 +284,10 @@ int tdlb7_ioctl (struct dvb_frontend *fe, unsigned int cmd, void *arg) { fe_status_t *status = arg; int sync = sp8870_readreg (i2c, 0x0200); + int signal = 0xff-sp8870_readreg (i2c, 0x303); *status=0; - - if (sync&0x04) // FIXME: find criteria for having signal + if (signal>10) // FIXME: is 10 the right value ? *status |= FE_HAS_SIGNAL; if (sync&0x04) // FIXME: find criteria @@ -312,10 +313,9 @@ int tdlb7_ioctl (struct dvb_frontend *fe, unsigned int cmd, void *arg) } - case FE_READ_SIGNAL_STRENGTH: // not supported by hardware? + case FE_READ_SIGNAL_STRENGTH: // FIXME: correct registers ? { - s32 *signal=(s32 *) arg; - *signal=0; + *((u16*) arg) = 0xffff-((sp8870_readreg (i2c, 0x306) << 8) | sp8870_readreg (i2c, 0x303)); break; } @@ -337,9 +337,8 @@ int tdlb7_ioctl (struct dvb_frontend *fe, unsigned int cmd, void *arg) { struct dvb_frontend_parameters *p = arg; sp5659_set_tv_freq (i2c, p->frequency, 0); - // all other parameters are set by the on card - // system controller. Don't know how to pass - // distinct values to the card. + sp8870_reset (i2c); // reset default values and restart system controller + // parameters are calculated by system controller break; } @@ -380,7 +379,7 @@ int tdlb7_attach (struct dvb_i2c_bus *i2c) dprintk("%s: loading mcfile '%s' !\n", __FUNCTION__, mcfile); if (sp8870_load_code(i2c)==0) dprintk("%s: microcode loaded!\n", __FUNCTION__); - } else { + }else{ dprintk("%s: without loading mcfile!\n", __FUNCTION__); } |