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staging: comedi: s626: remove 'IsBoardRevA' comment

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IsBoardRevA is not defined in the driver. Remove the comment
about it.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2012-09-24 13:38:07 -07:00 committed by Greg Kroah-Hartman
parent 597478473a
commit 17553c88a2
1 changed files with 2 additions and 23 deletions
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25
drivers/staging/comedi/drivers/s626.c
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@ -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. */