Am Sonntag, 10. Juni 2007 schrieb Alfred E. Heggestad:
> From: Alfred E. Heggestad <[EMAIL PROTECTED]>
>
> This driver adds support for USB VoIP phones using the CM109 chipset,
> such as the KIP-1000. Keypad is scanned and events are reported to
> the input subsystem. The buzzer can be activated by sending SND_TONE
> or SND_BELL to the input device.
> The driver has been tested with linux 2.6.21.3 on i386 and AMD64,
> and linux 2.6.21.1 on Broadcom BCM3302 (MIPS, OpenWRT Project)
> More testing and code review is welcome..
>
> Signed-off-by: Alfred E. Heggestad <[EMAIL PROTECTED]>
>
> ---
>
+ ret = usb_submit_urb(dev->urb_ctl, GFP_KERNEL);
Must be GFP_ATOMIC
+ if (ret)
+ err("%s - usb_submit_urb failed %d", __FUNCTION__, ret);
+}
+
+static void urb_ctl_callback(struct urb *urb)
+{
+ struct cm109_dev *dev = urb->context;
+ int ret = 0;
+
+#ifdef CM109_DEBUG
+ dbg("### URB CTL: [0x%02x 0x%02x 0x%02x 0x%02x]",
+ dev->ctl_data->byte[0],
+ dev->ctl_data->byte[1],
+ dev->ctl_data->byte[2],
+ dev->ctl_data->byte[3]);
+#endif
+
+ if (urb->status)
+ err("%s - urb status %d", __FUNCTION__, urb->status);
+
+ spin_lock(&dev->submit_lock);
+ /* ask for a response */
+ if (!dev->disconnecting)
+ ret = usb_submit_urb(dev->urb_irq, GFP_KERNEL);
Must be GFP_ATOMIC
+static void buzz(struct cm109_dev *dev, int on)
+{
+ int ret;
+
+ if (dev == NULL) {
+ err("buzz: dev is NULL\n");
+ return;
+ }
+
+ dbg("Buzzer %s", on ? "on" : "off");
+ if (on)
+ dev->ctl_data->byte[HID_OR0] |= BUZZER_ON;
+ else
+ dev->ctl_data->byte[HID_OR0] &= ~BUZZER_ON;
+
+ ret = usb_submit_urb(dev->urb_ctl, GFP_KERNEL);
Must be GFP_ATOMIC
Regards
Oliver
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