diff options
Diffstat (limited to 'drivers/media/usb/dvb-usb-v2/rtl28xxu.c')
| -rw-r--r-- | drivers/media/usb/dvb-usb-v2/rtl28xxu.c | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c index eb5787a3191e..fa72642d41f3 100644 --- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c +++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c @@ -259,6 +259,10 @@ static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], ret = -EOPNOTSUPP; } + /* Retry failed I2C messages */ + if (ret == -EPIPE) + ret = -EAGAIN; + err_mutex_unlock: mutex_unlock(&d->i2c_mutex); @@ -619,6 +623,10 @@ static int rtl28xxu_identify_state(struct dvb_usb_device *d, const char **name) } dev_dbg(&d->intf->dev, "chip_id=%u\n", dev->chip_id); + /* Retry failed I2C messages */ + d->i2c_adap.retries = 1; + d->i2c_adap.timeout = msecs_to_jiffies(10); + return WARM; err: dev_dbg(&d->intf->dev, "failed=%d\n", ret); @@ -1563,19 +1571,19 @@ static int rtl28xxu_frontend_ctrl(struct dvb_frontend *fe, int onoff) if (dev->chip_id == CHIP_ID_RTL2831U) return 0; - /* control internal demod ADC */ - if (fe->id == 0 && onoff) - val = 0x48; /* enable ADC */ - else - val = 0x00; /* disable ADC */ - - ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, val, 0x48); - if (ret) - goto err; + if (fe->id == 0) { + /* control internal demod ADC */ + if (onoff) + val = 0x48; /* enable ADC */ + else + val = 0x00; /* disable ADC */ - /* bypass slave demod TS through master demod */ - if (fe->id == 1 && onoff) { - ret = pdata->enable_slave_ts(dev->i2c_client_demod); + ret = rtl28xxu_wr_reg_mask(d, SYS_DEMOD_CTL, val, 0x48); + if (ret) + goto err; + } else if (fe->id == 1) { + /* bypass slave demod TS through master demod */ + ret = pdata->slave_ts_ctrl(dev->i2c_client_demod, onoff); if (ret) goto err; } |