diff options
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/comedi/drivers/s626.c | 25 |
1 files changed, 2 insertions, 23 deletions
diff --git a/drivers/staging/comedi/drivers/s626.c b/drivers/staging/comedi/drivers/s626.c index 4315892740c9..e67e1299d604 100644 --- a/drivers/staging/comedi/drivers/s626.c +++ b/drivers/staging/comedi/drivers/s626.c @@ -2488,29 +2488,8 @@ static void s626_initialize(struct comedi_device *dev) /* Init GPIO so that ADC Start* is negated. */ WR7146(P_GPIO, GPIO_BASE | GPIO1_HI); - /* IsBoardRevA is a boolean that indicates whether the board is RevA. - * - * VERSION 2.01 CHANGE: REV A & B BOARDS NOW SUPPORTED BY DYNAMIC - * EEPROM ADDRESS SELECTION. Initialize the I2C interface, which - * is used to access the onboard serial EEPROM. The EEPROM's I2C - * DeviceAddress is hardwired to a value that is dependent on the - * 626 board revision. On all board revisions, the EEPROM stores - * TrimDAC calibration constants for analog I/O. On RevB and - * higher boards, the DeviceAddress is hardwired to 0 to enable - * the EEPROM to also store the PCI SubVendorID and SubDeviceID; - * this is the address at which the SAA7146 expects a - * configuration EEPROM to reside. On RevA boards, the EEPROM - * device address, which is hardwired to 4, prevents the SAA7146 - * from retrieving PCI sub-IDs, so the SAA7146 uses its built-in - * default values, instead. - */ - - /* devpriv->I2Cards= IsBoardRevA ? 0xA8 : 0xA0; // Set I2C EEPROM */ - /* DeviceType (0xA0) */ - /* and DeviceAddress<<1. */ - - devpriv->I2CAdrs = 0xA0; /* I2C device address for onboard */ - /* eeprom(revb) */ + /* I2C device address for onboard eeprom (revb) */ + devpriv->I2CAdrs = 0xA0; /* Issue an I2C ABORT command to halt any I2C operation in */ /* progress and reset BUSY flag. */ |