92 static void kone_set_settings_checksum(struct kone_settings *settings)  in kone_set_settings_checksum()  argument
95 	unsigned char *address = (unsigned char *)settings;  in kone_set_settings_checksum()
100 	settings->checksum = cpu_to_le16(checksum);  in kone_set_settings_checksum()
141  * Reads settings from mouse and stores it in @buf
153  * Writes settings from @buf to mouse
158 		struct kone_settings const *settings)  in kone_set_settings()  argument
163 			settings, sizeof(struct kone_settings));  in kone_set_settings()
276 	memcpy(buf, ((char const *)&kone->settings) + off, count);  in kone_sysfs_read_settings()
283  * Writing settings automatically activates startup_profile.
294 	struct kone_settings *settings = (struct kone_settings *)buf;  in kone_sysfs_write_settings()  local
301 	difference = memcmp(settings, &kone->settings,  in kone_sysfs_write_settings()
304 		if (settings->startup_profile < 1 ||  in kone_sysfs_write_settings()
305 		    settings->startup_profile > 5) {  in kone_sysfs_write_settings()
310 		retval = kone_set_settings(usb_dev, settings);  in kone_sysfs_write_settings()
314 		old_profile = kone->settings.startup_profile;  in kone_sysfs_write_settings()
315 		memcpy(&kone->settings, settings, sizeof(struct kone_settings));  in kone_sysfs_write_settings()
317 		kone_profile_activated(kone, kone->settings.startup_profile);  in kone_sysfs_write_settings()
319 		if (kone->settings.startup_profile != old_profile)  in kone_sysfs_write_settings()
320 			kone_profile_report(kone, kone->settings.startup_profile);  in kone_sysfs_write_settings()
330 static BIN_ATTR(settings, 0660, kone_sysfs_read_settings,
454 	return sysfs_emit(buf, "%d\n", kone->settings.tcu);  in kone_sysfs_show_tcu()
466  * Calibrating the tcu is the only action that changes settings data inside the
509 		 * Reading settings too early will result in invalid data.  in kone_sysfs_set_tcu()
516 	/* calibration changes values in settings, so reread */  in kone_sysfs_set_tcu()
517 	retval = kone_get_settings(usb_dev, &kone->settings);  in kone_sysfs_set_tcu()
521 	/* only write settings back if activation state is different */  in kone_sysfs_set_tcu()
522 	if (kone->settings.tcu != state) {  in kone_sysfs_set_tcu()
523 		kone->settings.tcu = state;  in kone_sysfs_set_tcu()
524 		kone_set_settings_checksum(&kone->settings);  in kone_sysfs_set_tcu()
526 		retval = kone_set_settings(usb_dev, &kone->settings);  in kone_sysfs_set_tcu()
530 			 * try to reread valid settings into buffer overwriting  in kone_sysfs_set_tcu()
533 			retval = kone_get_settings(usb_dev, &kone->settings);  in kone_sysfs_set_tcu()
539 		kone_profile_activated(kone, kone->settings.startup_profile);  in kone_sysfs_set_tcu()
544 	dev_err(&usb_dev->dev, "couldn't read settings\n");  in kone_sysfs_set_tcu()
556 	return sysfs_emit(buf, "%d\n", kone->settings.startup_profile);  in kone_sysfs_show_startup_profile()
580 	kone->settings.startup_profile = new_startup_profile;  in kone_sysfs_set_startup_profile()
581 	kone_set_settings_checksum(&kone->settings);  in kone_sysfs_set_startup_profile()
583 	retval = kone_set_settings(usb_dev, &kone->settings);  in kone_sysfs_set_startup_profile()
601 	 * Read actual dpi settings.
677 	retval = kone_get_settings(usb_dev, &kone->settings);  in kone_init_kone_device_struct()
685 	kone_profile_activated(kone, kone->settings.startup_profile);  in kone_init_kone_device_struct()