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path: root/drivers/staging/comedi/drivers/usbdux.c
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Diffstat (limited to 'drivers/staging/comedi/drivers/usbdux.c')
-rw-r--r--drivers/staging/comedi/drivers/usbdux.c125
1 files changed, 34 insertions, 91 deletions
diff --git a/drivers/staging/comedi/drivers/usbdux.c b/drivers/staging/comedi/drivers/usbdux.c
index b536bba74351..78f3a2e013c4 100644
--- a/drivers/staging/comedi/drivers/usbdux.c
+++ b/drivers/staging/comedi/drivers/usbdux.c
@@ -938,9 +938,6 @@ static int usbdux_ai_cmdtest(struct comedi_device *dev,
if (!(this_usbduxsub->probed))
return -ENODEV;
- dev_dbg(&this_usbduxsub->interface->dev,
- "comedi%d: usbdux_ai_cmdtest\n", dev->minor);
-
/* Step 1 : check if triggers are trivially valid */
err |= cfc_check_trigger_src(&cmd->start_src, TRIG_NOW | TRIG_INT);
@@ -962,19 +959,12 @@ static int usbdux_ai_cmdtest(struct comedi_device *dev,
if (err)
return 2;
- /* step 3: make sure arguments are trivially compatible */
- if (cmd->start_arg != 0) {
- cmd->start_arg = 0;
- err++;
- }
+ /* Step 3: check if arguments are trivially valid */
- if (cmd->scan_begin_src == TRIG_FOLLOW) {
- /* internal trigger */
- if (cmd->scan_begin_arg != 0) {
- cmd->scan_begin_arg = 0;
- err++;
- }
- }
+ err |= cfc_check_trigger_arg_is(&cmd->start_arg, 0);
+
+ if (cmd->scan_begin_src == TRIG_FOLLOW) /* internal trigger */
+ err |= cfc_check_trigger_arg_is(&cmd->scan_begin_arg, 0);
if (cmd->scan_begin_src == TRIG_TIMER) {
if (this_usbduxsub->high_speed) {
@@ -989,51 +979,35 @@ static int usbdux_ai_cmdtest(struct comedi_device *dev,
while (i < (cmd->chanlist_len))
i = i * 2;
- if (cmd->scan_begin_arg < (1000000 / 8 * i)) {
- cmd->scan_begin_arg = 1000000 / 8 * i;
- err++;
- }
+ err |= cfc_check_trigger_arg_min(&cmd->scan_begin_arg,
+ 1000000 / 8 * i);
/* now calc the real sampling rate with all the
* rounding errors */
tmpTimer =
((unsigned int)(cmd->scan_begin_arg / 125000)) *
125000;
- if (cmd->scan_begin_arg != tmpTimer) {
- cmd->scan_begin_arg = tmpTimer;
- err++;
- }
} else {
/* full speed */
/* 1kHz scans every USB frame */
- if (cmd->scan_begin_arg < 1000000) {
- cmd->scan_begin_arg = 1000000;
- err++;
- }
+ err |= cfc_check_trigger_arg_min(&cmd->scan_begin_arg,
+ 1000000);
/*
* calc the real sampling rate with the rounding errors
*/
tmpTimer = ((unsigned int)(cmd->scan_begin_arg /
1000000)) * 1000000;
- if (cmd->scan_begin_arg != tmpTimer) {
- cmd->scan_begin_arg = tmpTimer;
- err++;
- }
}
- }
- /* the same argument */
- if (cmd->scan_end_arg != cmd->chanlist_len) {
- cmd->scan_end_arg = cmd->chanlist_len;
- err++;
+ err |= cfc_check_trigger_arg_is(&cmd->scan_begin_arg,
+ tmpTimer);
}
+ err |= cfc_check_trigger_arg_is(&cmd->scan_end_arg, cmd->chanlist_len);
+
if (cmd->stop_src == TRIG_COUNT) {
/* any count is allowed */
} else {
/* TRIG_NONE */
- if (cmd->stop_arg != 0) {
- cmd->stop_arg = 0;
- err++;
- }
+ err |= cfc_check_trigger_arg_is(&cmd->stop_arg, 0);
}
if (err)
@@ -1472,9 +1446,6 @@ static int usbdux_ao_cmdtest(struct comedi_device *dev,
if (!(this_usbduxsub->probed))
return -ENODEV;
- dev_dbg(&this_usbduxsub->interface->dev,
- "comedi%d: usbdux_ao_cmdtest\n", dev->minor);
-
/* Step 1 : check if triggers are trivially valid */
err |= cfc_check_trigger_src(&cmd->start_src, TRIG_NOW | TRIG_INT);
@@ -1519,57 +1490,30 @@ static int usbdux_ao_cmdtest(struct comedi_device *dev,
if (err)
return 2;
- /* step 3: make sure arguments are trivially compatible */
+ /* Step 3: check if arguments are trivially valid */
- if (cmd->start_arg != 0) {
- cmd->start_arg = 0;
- err++;
- }
+ err |= cfc_check_trigger_arg_is(&cmd->start_arg, 0);
- if (cmd->scan_begin_src == TRIG_FOLLOW) {
- /* internal trigger */
- if (cmd->scan_begin_arg != 0) {
- cmd->scan_begin_arg = 0;
- err++;
- }
- }
+ if (cmd->scan_begin_src == TRIG_FOLLOW) /* internal trigger */
+ err |= cfc_check_trigger_arg_is(&cmd->scan_begin_arg, 0);
+
+ if (cmd->scan_begin_src == TRIG_TIMER)
+ err |= cfc_check_trigger_arg_min(&cmd->scan_begin_arg,
+ 1000000);
- if (cmd->scan_begin_src == TRIG_TIMER) {
- /* timer */
- if (cmd->scan_begin_arg < 1000000) {
- cmd->scan_begin_arg = 1000000;
- err++;
- }
- }
/* not used now, is for later use */
- if (cmd->convert_src == TRIG_TIMER) {
- if (cmd->convert_arg < 125000) {
- cmd->convert_arg = 125000;
- err++;
- }
- }
+ if (cmd->convert_src == TRIG_TIMER)
+ err |= cfc_check_trigger_arg_min(&cmd->convert_arg, 125000);
- /* the same argument */
- if (cmd->scan_end_arg != cmd->chanlist_len) {
- cmd->scan_end_arg = cmd->chanlist_len;
- err++;
- }
+ err |= cfc_check_trigger_arg_is(&cmd->scan_end_arg, cmd->chanlist_len);
if (cmd->stop_src == TRIG_COUNT) {
/* any count is allowed */
} else {
/* TRIG_NONE */
- if (cmd->stop_arg != 0) {
- cmd->stop_arg = 0;
- err++;
- }
+ err |= cfc_check_trigger_arg_is(&cmd->stop_arg, 0);
}
- dev_dbg(&this_usbduxsub->interface->dev, "comedi%d: err=%d, "
- "scan_begin_src=%d, scan_begin_arg=%d, convert_src=%d, "
- "convert_arg=%d\n", dev->minor, err, cmd->scan_begin_src,
- cmd->scan_begin_arg, cmd->convert_src, cmd->convert_arg);
-
if (err)
return 3;
@@ -2375,9 +2319,10 @@ static int usbdux_attach_common(struct comedi_device *dev,
return 0;
}
-static int usbdux_attach_usb(struct comedi_device *dev,
- struct usb_interface *uinterf)
+static int usbdux_auto_attach(struct comedi_device *dev,
+ unsigned long context_unused)
{
+ struct usb_interface *uinterf = comedi_to_usb_interface(dev);
int ret;
struct usbduxsub *this_usbduxsub;
@@ -2386,14 +2331,12 @@ static int usbdux_attach_usb(struct comedi_device *dev,
down(&start_stop_sem);
this_usbduxsub = usb_get_intfdata(uinterf);
if (!this_usbduxsub || !this_usbduxsub->probed) {
- printk(KERN_ERR
- "comedi%d: usbdux: error: attach_usb failed, not connected\n",
- dev->minor);
+ dev_err(dev->class_dev,
+ "usbdux: error: auto_attach failed, not connected\n");
ret = -ENODEV;
} else if (this_usbduxsub->attached) {
- printk(KERN_ERR
- "comedi%d: usbdux: error: attach_usb failed, already attached\n",
- dev->minor);
+ dev_err(dev->class_dev,
+ "error: auto_attach failed, already attached\n");
ret = -ENODEV;
} else
ret = usbdux_attach_common(dev, this_usbduxsub);
@@ -2417,7 +2360,7 @@ static void usbdux_detach(struct comedi_device *dev)
static struct comedi_driver usbdux_driver = {
.driver_name = "usbdux",
.module = THIS_MODULE,
- .attach_usb = usbdux_attach_usb,
+ .auto_attach = usbdux_auto_attach,
.detach = usbdux_detach,
};
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.