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cxd2878:optimize and reduce power consumption

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Davin622
2024-03-06 11:23:23 +08:00
parent 896c68ded8
commit f92b67d29f
1 changed files with 17 additions and 6 deletions
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19
drivers/media/dvb-frontends/cxd2878.c
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@@ -3211,7 +3211,7 @@ static int cxd2878_init(struct dvb_frontend *fe)
if(dev->chipid == SONY_DEMOD_CHIP_ID_CXD6802)
ascot3_init(dev); //tuner=cxd2878a
else if(dev->chipid == SONY_DEMOD_CHIP_ID_CXD6822)
else if((dev->chipid == SONY_DEMOD_CHIP_ID_CXD6822)||(dev->chipid == SONY_DEMOD_CHIP_ID_CXD2878A))
freia_init(dev); // tuner =cxd6866
cxd2878_i2c_repeater(dev,0);
@@ -3230,6 +3230,14 @@ static int cxd2878_init(struct dvb_frontend *fe)
cxd2878_SetBankAndRegisterBits(dev,dev->slvt,0x60, 0x52, dev->base->config->ts_clk_mask, 0x1F);
}
//configure the driving current for the TS pin 0 :2mA/1:4mA/2:8mA/3:10mA
cxd2878_SetBankAndRegisterBits(dev,dev->slvt,0x00, 0x95, 1, 0x03); //ts clk 4mA
//ts sync/valid/data pins : 4mA
cxd2878_SetBankAndRegisterBits(dev,dev->slvt,0x00, 0x95, 0x14, 0x3c);
cxd2878_SetBankAndRegisterBits(dev,dev->slvt,0x00, 0x96, 0x54, 0xff);
cxd2878_SetBankAndRegisterBits(dev,dev->slvt,0x00, 0x97, 0x54, 0xff);
if(dev->base->config->lock_flag)//for usb device led light
{
cxd2878_lock_flag(dev,0);//unlocked
@@ -3375,7 +3383,7 @@ static int cxd2878_read_status(struct dvb_frontend *fe,
ret |= cxd2878_i2c_repeater(dev,1);
if(dev->chipid == SONY_DEMOD_CHIP_ID_CXD6802)
ret |= ascot3_read_rssi(dev,c->frequency/1000,&rflevel); //unit khz
else if(dev->chipid == SONY_DEMOD_CHIP_ID_CXD6822)
else if((dev->chipid == SONY_DEMOD_CHIP_ID_CXD6822)||(dev->chipid == SONY_DEMOD_CHIP_ID_CXD2878A))
ret |= freia_read_rssi(dev,c->frequency/1000,&rflevel);
ret |= cxd2878_i2c_repeater(dev,0);
@@ -3614,7 +3622,7 @@ static int cxd2878_set_frontend(struct dvb_frontend *fe)
ret |= cxd2878_i2c_repeater(dev,1);
if(dev->chipid == SONY_DEMOD_CHIP_ID_CXD6802)
ret |= ascot3_tune(dev,c->frequency/1000); //unit khz
else if(dev->chipid == SONY_DEMOD_CHIP_ID_CXD6822)
else if((dev->chipid == SONY_DEMOD_CHIP_ID_CXD6822)||(dev->chipid == SONY_DEMOD_CHIP_ID_CXD2878A))
ret |= freia_tune(dev,c->frequency/1000); //unit khz
ret |= cxd2878_i2c_repeater(dev,0);
@@ -3950,6 +3958,9 @@ struct dvb_frontend*cxd2878_attach(const struct cxd2878_config*config,
case SONY_DEMOD_CHIP_ID_CXD6822:
dev_info(&i2c->dev,"Detect CXD2878/CXD6822(SiP2) chip.");
break;
case SONY_DEMOD_CHIP_ID_CXD2878A:
dev_info(&i2c->dev,"Detect cxd2878A/cxd6821(SiP2) chip.");
break;
default:
case SONY_DEMOD_CHIP_ID_UNKNOWN: /**< Unknown */
dev_err(&i2c->dev,"%s:Can not decete the chip.\n",KBUILD_MODNAME);
@@ -3974,7 +3985,7 @@ err:
EXPORT_SYMBOL_GPL(cxd2878_attach);
MODULE_AUTHOR("Davin zhang<Davin@tbsdtv.com>");
MODULE_DESCRIPTION("sony cxd2878 family demodulator driver");
MODULE_DESCRIPTION("sony cxd2878 family Demodulator+Tuner driver");
MODULE_LICENSE("GPL");