forked from luck/tmp_suning_uos_patched
USB: New PhidgetKit 8/8/8 reset outputs after 2 seconds
New phidget interface kits (type 8/8/8) reset their outputs if they haven't received a set report for 2 seconds. Signed-off-by: Sean Young <sean@mess.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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1b495f753a
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238d0e7bcf
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@ -44,20 +44,25 @@ struct driver_interfacekit {
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int inputs;
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int outputs;
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int has_lcd;
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int amnesiac;
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};
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#define ifkit(_sensors, _inputs, _outputs, _lcd) \
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static struct driver_interfacekit ph_##_sensors##_inputs##_outputs = { \
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#define ifkit(_sensors, _inputs, _outputs, _lcd, _amnesiac) \
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{ \
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.sensors = _sensors, \
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.inputs = _inputs, \
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.outputs = _outputs, \
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.has_lcd = _lcd, \
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.amnesiac = _amnesiac \
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};
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ifkit(0, 0, 4, 0);
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ifkit(8, 8, 8, 0);
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ifkit(0, 4, 7, 1);
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ifkit(8, 8, 4, 0);
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ifkit(0, 8, 8, 1);
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ifkit(0, 16, 16, 0);
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static const struct driver_interfacekit ph_004 = ifkit(0, 0, 4, 0, 0);
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static const struct driver_interfacekit ph_888n = ifkit(8, 8, 8, 0, 1);
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static const struct driver_interfacekit ph_888o = ifkit(8, 8, 8, 0, 0);
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static const struct driver_interfacekit ph_047 = ifkit(0, 4, 7, 1, 0);
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static const struct driver_interfacekit ph_884 = ifkit(8, 8, 4, 0, 0);
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static const struct driver_interfacekit ph_088 = ifkit(0, 8, 8, 1, 0);
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static const struct driver_interfacekit ph_01616 = ifkit(0, 16, 16, 0, 0);
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static unsigned long device_no;
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@ -77,6 +82,7 @@ struct interfacekit {
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dma_addr_t data_dma;
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struct work_struct do_notify;
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struct work_struct do_resubmit;
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unsigned long input_events;
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unsigned long sensor_events;
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};
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@ -84,8 +90,10 @@ struct interfacekit {
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static struct usb_device_id id_table[] = {
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{USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT004),
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.driver_info = (kernel_ulong_t)&ph_004},
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{USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT888),
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.driver_info = (kernel_ulong_t)&ph_888},
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{USB_DEVICE_VER(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT888, 0, 0x814),
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.driver_info = (kernel_ulong_t)&ph_888o},
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{USB_DEVICE_VER(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT888, 0x0815, 0xffff),
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.driver_info = (kernel_ulong_t)&ph_888n},
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{USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT047),
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.driver_info = (kernel_ulong_t)&ph_047},
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{USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT088),
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@ -98,16 +106,11 @@ static struct usb_device_id id_table[] = {
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};
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MODULE_DEVICE_TABLE(usb, id_table);
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static int change_outputs(struct interfacekit *kit, int output_num, int enable)
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static int set_outputs(struct interfacekit *kit)
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{
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u8 *buffer;
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int retval;
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if (enable)
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set_bit(output_num, &kit->outputs);
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else
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clear_bit(output_num, &kit->outputs);
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buffer = kzalloc(4, GFP_KERNEL);
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if (!buffer) {
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dev_err(&kit->udev->dev, "%s - out of memory\n", __FUNCTION__);
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@ -127,6 +130,9 @@ static int change_outputs(struct interfacekit *kit, int output_num, int enable)
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retval);
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kfree(buffer);
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if (kit->ifkit->amnesiac)
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schedule_delayed_work(&kit->do_resubmit, HZ / 2);
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return retval < 0 ? retval : 0;
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}
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@ -399,19 +405,29 @@ static void do_notify(void *data)
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}
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}
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static void do_resubmit(void *data)
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{
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set_outputs(data);
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}
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#define show_set_output(value) \
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static ssize_t set_output##value(struct device *dev, \
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struct device_attribute *attr, \
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const char *buf, size_t count) \
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{ \
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struct interfacekit *kit = dev_get_drvdata(dev); \
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int enabled; \
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int enable; \
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int retval; \
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\
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if (sscanf(buf, "%d", &enabled) < 1) \
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if (sscanf(buf, "%d", &enable) < 1) \
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return -EINVAL; \
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\
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retval = change_outputs(kit, value - 1, enabled); \
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if (enable) \
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set_bit(value - 1, &kit->outputs); \
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else \
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clear_bit(value - 1, &kit->outputs); \
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\
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retval = set_outputs(kit); \
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\
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return retval ? retval : count; \
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} \
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@ -560,6 +576,7 @@ static int interfacekit_probe(struct usb_interface *intf, const struct usb_devic
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kit->udev = usb_get_dev(dev);
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kit->intf = intf;
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INIT_WORK(&kit->do_notify, do_notify, kit);
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INIT_WORK(&kit->do_resubmit, do_resubmit, kit);
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usb_fill_int_urb(kit->irq, kit->udev, pipe, kit->data,
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maxp > URB_INT_SIZE ? URB_INT_SIZE : maxp,
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interfacekit_irq, kit, endpoint->bInterval);
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@ -663,6 +680,7 @@ static void interfacekit_disconnect(struct usb_interface *interface)
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usb_buffer_free(kit->udev, URB_INT_SIZE, kit->data, kit->data_dma);
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cancel_delayed_work(&kit->do_notify);
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cancel_delayed_work(&kit->do_resubmit);
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for (i=0; i<kit->ifkit->outputs; i++)
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device_remove_file(kit->dev, &dev_output_attrs[i]);
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