| H A D | usbsevseg.c | 67 static void update_display_powered(struct usb_sevsegdev *mydev) update_display_powered() argument
71 if (mydev->powered && !mydev->has_interface_pm) { update_display_powered()
72 rc = usb_autopm_get_interface(mydev->intf); update_display_powered()
75 mydev->has_interface_pm = 1; update_display_powered()
78 if (mydev->shadow_power != 1) update_display_powered()
81 rc = usb_control_msg(mydev->udev, update_display_powered()
82 usb_sndctrlpipe(mydev->udev, 0), update_display_powered()
86 (0x00 * 0x100) + (mydev->powered ? 1 : 0), update_display_powered()
91 dev_dbg(&mydev->udev->dev, "power retval = %d\n", rc); update_display_powered()
93 if (!mydev->powered && mydev->has_interface_pm) { update_display_powered()
94 usb_autopm_put_interface(mydev->intf); update_display_powered()
95 mydev->has_interface_pm = 0; update_display_powered()
99 static void update_display_mode(struct usb_sevsegdev *mydev) update_display_mode() argument
103 if(mydev->shadow_power != 1) update_display_mode()
106 rc = usb_control_msg(mydev->udev, update_display_mode()
107 usb_sndctrlpipe(mydev->udev, 0), update_display_mode()
111 (mydev->mode_msb * 0x100) + mydev->mode_lsb, update_display_mode()
117 dev_dbg(&mydev->udev->dev, "mode retval = %d\n", rc); update_display_mode()
120 static void update_display_visual(struct usb_sevsegdev *mydev, gfp_t mf) update_display_visual() argument
127 if(mydev->shadow_power != 1) update_display_visual()
132 dev_err(&mydev->udev->dev, "out of memory\n"); update_display_visual()
137 for (i = 0; i < mydev->textlength; i++) update_display_visual()
138 buffer[i] = mydev->text[mydev->textlength-1-i]; update_display_visual()
140 rc = usb_control_msg(mydev->udev, update_display_visual()
141 usb_sndctrlpipe(mydev->udev, 0), update_display_visual()
145 (0 * 0x100) + mydev->textmode, /* mode */ update_display_visual()
147 mydev->textlength, update_display_visual()
151 dev_dbg(&mydev->udev->dev, "write retval = %d\n", rc); update_display_visual()
156 for (i = 0; i < sizeof(mydev->decimals); i++) update_display_visual()
157 decimals |= mydev->decimals[i] << i; update_display_visual()
159 rc = usb_control_msg(mydev->udev, update_display_visual()
160 usb_sndctrlpipe(mydev->udev, 0), update_display_visual()
170 dev_dbg(&mydev->udev->dev, "decimal retval = %d\n", rc); update_display_visual()
178 struct usb_sevsegdev *mydev = usb_get_intfdata(intf); \
180 return sprintf(buf, "%u\n", mydev->name); \
187 struct usb_sevsegdev *mydev = usb_get_intfdata(intf); \
189 mydev->name = simple_strtoul(buf, NULL, 10); \
190 update_fcn(mydev); \
200 struct usb_sevsegdev *mydev = usb_get_intfdata(intf); show_attr_text() local
202 return snprintf(buf, mydev->textlength, "%s\n", mydev->text); show_attr_text()
209 struct usb_sevsegdev *mydev = usb_get_intfdata(intf); set_attr_text() local
212 if (end > sizeof(mydev->text)) set_attr_text()
215 memset(mydev->text, 0, sizeof(mydev->text)); set_attr_text()
216 mydev->textlength = end; set_attr_text()
219 memcpy(mydev->text, buf, end); set_attr_text()
221 update_display_visual(mydev, GFP_KERNEL); set_attr_text()
231 struct usb_sevsegdev *mydev = usb_get_intfdata(intf); show_attr_decimals() local
235 for (i = 0; i < sizeof(mydev->decimals); i++) { show_attr_decimals()
236 pos = sizeof(mydev->decimals) - 1 - i; show_attr_decimals()
237 if (mydev->decimals[i] == 0) show_attr_decimals()
239 else if (mydev->decimals[i] == 1) show_attr_decimals()
245 buf[sizeof(mydev->decimals)] = '\n'; show_attr_decimals()
246 return sizeof(mydev->decimals) + 1; show_attr_decimals()
253 struct usb_sevsegdev *mydev = usb_get_intfdata(intf); set_attr_decimals() local
257 if (end > sizeof(mydev->decimals)) set_attr_decimals()
264 memset(mydev->decimals, 0, sizeof(mydev->decimals)); set_attr_decimals()
267 mydev->decimals[end-1-i] = 1; set_attr_decimals()
269 update_display_visual(mydev, GFP_KERNEL); set_attr_decimals()
280 struct usb_sevsegdev *mydev = usb_get_intfdata(intf); show_attr_textmode() local
286 if (mydev->textmode == i) { show_attr_textmode()
306 struct usb_sevsegdev *mydev = usb_get_intfdata(intf); set_attr_textmode() local
311 mydev->textmode = i; set_attr_textmode()
312 update_display_visual(mydev, GFP_KERNEL); set_attr_textmode()
345 struct usb_sevsegdev *mydev = NULL; sevseg_probe() local
348 mydev = kzalloc(sizeof(struct usb_sevsegdev), GFP_KERNEL); sevseg_probe()
349 if (mydev == NULL) { sevseg_probe()
354 mydev->udev = usb_get_dev(udev); sevseg_probe()
355 mydev->intf = interface; sevseg_probe()
356 usb_set_intfdata(interface, mydev); sevseg_probe()
359 mydev->shadow_power = 1; /* currently active */ sevseg_probe()
360 mydev->has_interface_pm = 0; /* have not issued autopm_get */ sevseg_probe()
363 mydev->textmode = 0x02; /* ascii mode */ sevseg_probe()
364 mydev->mode_msb = 0x06; /* 6 characters */ sevseg_probe()
365 mydev->mode_lsb = 0x3f; /* scanmode for 6 chars */ sevseg_probe()
376 usb_put_dev(mydev->udev); sevseg_probe()
377 kfree(mydev); sevseg_probe()
384 struct usb_sevsegdev *mydev; sevseg_disconnect() local
386 mydev = usb_get_intfdata(interface); sevseg_disconnect()
389 usb_put_dev(mydev->udev); sevseg_disconnect()
390 kfree(mydev); sevseg_disconnect()
396 struct usb_sevsegdev *mydev; sevseg_suspend() local
398 mydev = usb_get_intfdata(intf); sevseg_suspend()
399 mydev->shadow_power = 0; sevseg_suspend()
406 struct usb_sevsegdev *mydev; sevseg_resume() local
408 mydev = usb_get_intfdata(intf); sevseg_resume()
409 mydev->shadow_power = 1; sevseg_resume()
410 update_display_mode(mydev); sevseg_resume()
411 update_display_visual(mydev, GFP_NOIO); sevseg_resume()
418 struct usb_sevsegdev *mydev; sevseg_reset_resume() local
420 mydev = usb_get_intfdata(intf); sevseg_reset_resume()
421 mydev->shadow_power = 1; sevseg_reset_resume()
422 update_display_mode(mydev); sevseg_reset_resume()
423 update_display_visual(mydev, GFP_NOIO); sevseg_reset_resume()
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