diff options
Diffstat (limited to 'drivers/media/video/usbvision/usbvision-i2c.c')
| -rw-r--r-- | drivers/media/video/usbvision/usbvision-i2c.c | 46 |
1 files changed, 12 insertions, 34 deletions
diff --git a/drivers/media/video/usbvision/usbvision-i2c.c b/drivers/media/video/usbvision/usbvision-i2c.c index d7f97513b289..89fec029e924 100644 --- a/drivers/media/video/usbvision/usbvision-i2c.c +++ b/drivers/media/video/usbvision/usbvision-i2c.c @@ -110,42 +110,20 @@ static inline int usb_find_address(struct i2c_adapter *i2c_adap, unsigned char addr; int ret; - if ((flags & I2C_M_TEN)) { - /* a ten bit address */ - addr = 0xf0 | ((msg->addr >> 7) & 0x03); - /* try extended address code... */ - ret = try_write_address(i2c_adap, addr, retries); - if (ret != 1) { - dev_err(&i2c_adap->dev, - "died at extended address code, while writing\n"); - return -EREMOTEIO; - } - add[0] = addr; - if (flags & I2C_M_RD) { - /* okay, now switch into reading mode */ - addr |= 0x01; - ret = try_read_address(i2c_adap, addr, retries); - if (ret != 1) { - dev_err(&i2c_adap->dev, - "died at extended address code, while reading\n"); - return -EREMOTEIO; - } - } - } else { /* normal 7bit address */ - addr = (msg->addr << 1); - if (flags & I2C_M_RD) - addr |= 1; + addr = (msg->addr << 1); + if (flags & I2C_M_RD) + addr |= 1; - add[0] = addr; - if (flags & I2C_M_RD) - ret = try_read_address(i2c_adap, addr, retries); - else - ret = try_write_address(i2c_adap, addr, retries); + add[0] = addr; + if (flags & I2C_M_RD) + ret = try_read_address(i2c_adap, addr, retries); + else + ret = try_write_address(i2c_adap, addr, retries); + + if (ret != 1) + return -EREMOTEIO; - if (ret != 1) - return -EREMOTEIO; - } return 0; } @@ -184,7 +162,7 @@ usbvision_i2c_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msgs[], int num) static u32 functionality(struct i2c_adapter *adap) { - return I2C_FUNC_SMBUS_EMUL | I2C_FUNC_10BIT_ADDR; + return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; } /* -----exported algorithm data: ------------------------------------- */ |