diff options
Diffstat (limited to 'drivers/media/dvb/frontends/stv0900_core.c')
| -rw-r--r-- | drivers/media/dvb/frontends/stv0900_core.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/drivers/media/dvb/frontends/stv0900_core.c b/drivers/media/dvb/frontends/stv0900_core.c index 8499bcf7f25..4daec8ad92c 100644 --- a/drivers/media/dvb/frontends/stv0900_core.c +++ b/drivers/media/dvb/frontends/stv0900_core.c @@ -149,31 +149,31 @@ void stv0900_write_reg(struct stv0900_internal *i_params, u16 reg_addr, dprintk(KERN_ERR "%s: i2c error %d\n", __func__, ret); } -u8 stv0900_read_reg(struct stv0900_internal *i_params, u16 reg_addr) +u8 stv0900_read_reg(struct stv0900_internal *i_params, u16 reg) { - u8 data[2]; int ret; - struct i2c_msg i2cmsg = { - .addr = i_params->i2c_addr, - .flags = 0, - .len = 2, - .buf = data, + u8 b0[] = { MSB(reg), LSB(reg) }; + u8 buf = 0; + struct i2c_msg msg[] = { + { + .addr = i_params->i2c_addr, + .flags = 0, + .buf = b0, + .len = 2, + }, { + .addr = i_params->i2c_addr, + .flags = I2C_M_RD, + .buf = &buf, + .len = 1, + }, }; - data[0] = MSB(reg_addr); - data[1] = LSB(reg_addr); - - ret = i2c_transfer(i_params->i2c_adap, &i2cmsg, 1); - if (ret != 1) - dprintk(KERN_ERR "%s: i2c error %d\n", __func__, ret); - - i2cmsg.flags = I2C_M_RD; - i2cmsg.len = 1; - ret = i2c_transfer(i_params->i2c_adap, &i2cmsg, 1); - if (ret != 1) - dprintk(KERN_ERR "%s: i2c error %d\n", __func__, ret); + ret = i2c_transfer(i_params->i2c_adap, msg, 2); + if (ret != 2) + dprintk(KERN_ERR "%s: i2c error %d, reg[0x%02x]\n", + __func__, ret, reg); - return data[0]; + return buf; } void extract_mask_pos(u32 label, u8 *mask, u8 *pos) |