usb/em28xx/em28xx-input.c

33 		dev_printk(KERN_DEBUG, &ir->dev->intf->dev,		\
63 	int  (*get_key_i2c)(struct i2c_client *ir, enum rc_proto *protocol,
65 	int  (*get_key)(struct em28xx_IR *ir, struct em28xx_ir_poll_result *r);
69  * I2C IR based get keycodes - should be used with ir-kbd-i2c
194 static int default_polling_getkey(struct em28xx_IR *ir,
197 	struct em28xx *dev = ir->dev;
217 	switch (ir->rc_proto) {
237 static int em2874_polling_getkey(struct em28xx_IR *ir,
240 	struct em28xx *dev = ir->dev;
263 	switch (ir->rc_proto) {
293 static int em28xx_i2c_ir_handle_key(struct em28xx_IR *ir)
299 	rc = ir->get_key_i2c(ir->i2c_client, &protocol, &scancode);
301 		dprintk("ir->get_key_i2c() failed: %d\n", rc);
308 		rc_keydown(ir->rc, protocol, scancode, 0);
313 static void em28xx_ir_handle_key(struct em28xx_IR *ir)
319 	result = ir->get_key(ir, &poll_result);
321 		dprintk("ir->get_key() failed: %d\n", result);
325 	if (unlikely(poll_result.read_count != ir->last_readcount)) {
329 		if (ir->full_code)
330 			rc_keydown(ir->rc,
335 			rc_keydown(ir->rc,
340 		if (ir->dev->chip_id == CHIP_ID_EM2874 ||
341 		    ir->dev->chip_id == CHIP_ID_EM2884)
350 			ir->last_readcount = 0;
352 			ir->last_readcount = poll_result.read_count;
358 	struct em28xx_IR *ir = container_of(work, struct em28xx_IR, work.work);
360 	if (ir->i2c_client) /* external i2c device */
361 		em28xx_i2c_ir_handle_key(ir);
363 		em28xx_ir_handle_key(ir);
364 	schedule_delayed_work(&ir->work, msecs_to_jiffies(ir->polling));
369 	struct em28xx_IR *ir = rc->priv;
371 	INIT_DELAYED_WORK(&ir->work, em28xx_ir_work);
372 	schedule_delayed_work(&ir->work, 0);
379 	struct em28xx_IR *ir = rc->priv;
381 	cancel_delayed_work_sync(&ir->work);
386 	struct em28xx_IR *ir = rc_dev->priv;
387 	struct em28xx *dev = ir->dev;
392 		ir->full_code = 1;
396 		ir->full_code = 1;
401 		*rc_proto = ir->rc_proto;
407 	ir->rc_proto = *rc_proto;
414 	struct em28xx_IR *ir = rc_dev->priv;
415 	struct em28xx *dev = ir->dev;
421 		ir->full_code = 1;
426 		ir->full_code = 1;
431 		ir->full_code = 1;
436 		*rc_proto = ir->rc_proto;
443 	ir->rc_proto = *rc_proto;
450 	struct em28xx_IR *ir = rc_dev->priv;
451 	struct em28xx *dev = ir->dev;
464 		dev_err(&ir->dev->intf->dev,
690 	struct em28xx_IR *ir;
727 	ir = kzalloc(sizeof(*ir), GFP_KERNEL);
728 	if (!ir)
735 	ir->dev = dev;
736 	dev->ir = ir;
737 	ir->rc = rc;
739 	rc->priv = ir;
748 			ir->get_key_i2c = em28xx_get_key_terratec;
752 			ir->get_key_i2c = em28xx_get_key_pinnacle_usb_grey;
756 			ir->get_key_i2c = em28xx_get_key_em_haup;
761 			ir->get_key_i2c = em28xx_get_key_winfast_usbii_deluxe;
768 		ir->i2c_client = kzalloc(sizeof(*ir->i2c_client), GFP_KERNEL);
769 		if (!ir->i2c_client)
771 		ir->i2c_client->adapter = &ir->dev->i2c_adap[dev->def_i2c_bus];
772 		ir->i2c_client->addr = i2c_rc_dev_addr;
773 		ir->i2c_client->flags = 0;
781 			ir->get_key = default_polling_getkey;
787 			ir->get_key = em2874_polling_getkey;
808 	ir->polling = 100; /* ms */
810 	usb_make_path(udev, ir->phys, sizeof(ir->phys));
811 	strlcat(ir->phys, "/input0", sizeof(ir->phys));
814 	rc->input_phys = ir->phys;
829 	kfree(ir->i2c_client);
830 	dev->ir = NULL;
832 	kfree(ir);
840 	struct em28xx_IR *ir = dev->ir;
852 	if (!ir)
855 	rc_unregister_device(ir->rc);
857 	kfree(ir->i2c_client);
860 	kfree(ir);
861 	dev->ir = NULL;
871 	struct em28xx_IR *ir = dev->ir;
877 	if (ir)
878 		cancel_delayed_work_sync(&ir->work);
890 	struct em28xx_IR *ir = dev->ir;
900 	if (ir)
901 		schedule_delayed_work(&ir->work, msecs_to_jiffies(ir->polling));