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path: root/drivers/media/dvb/dvb-usb/dibusb-common.c
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Diffstat (limited to 'drivers/media/dvb/dvb-usb/dibusb-common.c')
-rw-r--r--drivers/media/dvb/dvb-usb/dibusb-common.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/media/dvb/dvb-usb/dibusb-common.c b/drivers/media/dvb/dvb-usb/dibusb-common.c
index da34979b5337..9143b5631e88 100644
--- a/drivers/media/dvb/dvb-usb/dibusb-common.c
+++ b/drivers/media/dvb/dvb-usb/dibusb-common.c
@@ -142,8 +142,13 @@ static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num
} else if ((msg[i].flags & I2C_M_RD) == 0) {
if (dibusb_i2c_msg(d, msg[i].addr, msg[i].buf,msg[i].len,NULL,0) < 0)
break;
- } else
- break;
+ } else if (msg[i].addr != 0x50) {
+ /* 0x50 is the address of the eeprom - we need to protect it
+ * from dibusb's bad i2c implementation: reads without
+ * writing the offset before are forbidden */
+ if (dibusb_i2c_msg(d, msg[i].addr, NULL, 0, msg[i].buf, msg[i].len) < 0)
+ break;
+ }
}
mutex_unlock(&d->i2c_mutex);
@@ -243,6 +248,12 @@ static struct dib3000mc_config mod3000p_dib3000p_config = {
int dibusb_dib3000mc_frontend_attach(struct dvb_usb_adapter *adap)
{
+ if (adap->dev->udev->descriptor.idVendor == USB_VID_LITEON &&
+ adap->dev->udev->descriptor.idProduct ==
+ USB_PID_LITEON_DVB_T_WARM) {
+ msleep(1000);
+ }
+
if ((adap->fe = dvb_attach(dib3000mc_attach, &adap->dev->i2c_adap, DEFAULT_DIB3000P_I2C_ADDRESS, &mod3000p_dib3000p_config)) != NULL ||
(adap->fe = dvb_attach(dib3000mc_attach, &adap->dev->i2c_adap, DEFAULT_DIB3000MC_I2C_ADDRESS, &mod3000p_dib3000p_config)) != NULL) {
if (adap->priv != NULL) {