Commit a7c6de4c authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
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staging: comedi: adl_pci6208: remove some useless comments



Remove a number of useless comments that are cut-and-paste from
the skel driver.

Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent dcff1681
......@@ -41,16 +41,7 @@ References:
- adl_pci9111.c copied the entire pci setup section
- adl_pci9118.c
*/
/*
* These headers should be followed by a blank line, and any comments
* you wish to say about the driver. The comment area is the place
* to put any known bugs, limitations, unsupported features, supported
* command triggers, whether or not commands are supported on particular
* subdevices, etc.
*
* Somewhere in the comment should be information about configuration
* options that are used with comedi_config.
*/
#include "../comedidev.h"
/*
......@@ -65,10 +56,9 @@ References:
#define PCI6208_DIO_DI_MASK (0xf0)
#define PCI6208_DIO_DI_SHIFT (4)
/* Board descriptions */
struct pci6208_board {
const char *name;
unsigned short dev_id; /* `lspci` will show you this */
unsigned short dev_id;
int ao_chans;
};
......@@ -82,8 +72,8 @@ static const struct pci6208_board pci6208_boards[] = {
struct pci6208_private {
int data;
struct pci_dev *pci_dev; /* for a PCI device */
unsigned int ao_readback[2]; /* Used for AO readback */
struct pci_dev *pci_dev;
unsigned int ao_readback[2];
};
static int pci6208_ao_winsn(struct comedi_device *dev,
......@@ -95,11 +85,9 @@ static int pci6208_ao_winsn(struct comedi_device *dev,
unsigned short chan = CR_CHAN(insn->chanspec);
unsigned long invert = 1 << (16 - 1);
unsigned long out_value;
/* Writing a list of values to an AO channel is probably not
* very useful, but that's how the interface is defined. */
for (i = 0; i < insn->n; i++) {
out_value = data[i] ^ invert;
/* a typical programming sequence */
do {
Data_Read = (inw(dev->iobase) & 1);
} while (Data_Read);
......@@ -107,12 +95,9 @@ static int pci6208_ao_winsn(struct comedi_device *dev,
devpriv->ao_readback[chan] = out_value;
}
/* return the number of samples read/written */
return i;
}
/* AO subdevices should have a read insn as well as a write insn.
* Usually this means copying a value stored in devpriv. */
static int pci6208_ao_rinsn(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
......
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