diff --git a/[refs] b/[refs] index ffccd6fa9ba7..18460f422af1 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 13e001dfe3aeb9e7b05445af76e5b47235e81285 +refs/heads/master: 272479d7ab067344d118e7633b624bf98f8896f3 diff --git a/trunk/drivers/media/dvb/dvb-usb/cxusb.c b/trunk/drivers/media/dvb/dvb-usb/cxusb.c index 86fbd6c73ea9..016a3780b714 100644 --- a/trunk/drivers/media/dvb/dvb-usb/cxusb.c +++ b/trunk/drivers/media/dvb/dvb-usb/cxusb.c @@ -98,8 +98,21 @@ static int cxusb_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], break; } - /* read request */ - if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) { + if (msg[i].flags & I2C_M_RD) { + /* read only */ + u8 obuf[3], ibuf[1+msg[i].len]; + obuf[0] = 0; + obuf[1] = msg[i].len; + obuf[2] = msg[i].addr; + if (cxusb_ctrl_msg(d, CMD_I2C_READ, + obuf, 3, + ibuf, 1+msg[i].len) < 0) { + warn("i2c read failed"); + break; + } + memcpy(msg[i].buf, &ibuf[1], msg[i].len); + } else if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) { + /* write then read */ u8 obuf[3+msg[i].len], ibuf[1+msg[i+1].len]; obuf[0] = msg[i].len; obuf[1] = msg[i+1].len; @@ -117,7 +130,8 @@ static int cxusb_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], memcpy(msg[i+1].buf, &ibuf[1], msg[i+1].len); i++; - } else { /* write */ + } else { + /* write only */ u8 obuf[2+msg[i].len], ibuf; obuf[0] = msg[i].addr; obuf[1] = msg[i].len;