60 static void rotary_encoder_report_event(struct rotary_encoder *encoder)  in rotary_encoder_report_event()  argument
62 	const struct rotary_encoder_platform_data *pdata = encoder->pdata;  in rotary_encoder_report_event()
65 		input_report_rel(encoder->input,  in rotary_encoder_report_event()
66 				 pdata->axis, encoder->dir ? -1 : 1);  in rotary_encoder_report_event()
68 		unsigned int pos = encoder->pos;  in rotary_encoder_report_event()
70 		if (encoder->dir) {  in rotary_encoder_report_event()
85 		encoder->pos = pos;  in rotary_encoder_report_event()
86 		input_report_abs(encoder->input, pdata->axis, encoder->pos);  in rotary_encoder_report_event()
89 	input_sync(encoder->input);  in rotary_encoder_report_event()
94 	struct rotary_encoder *encoder = dev_id;  in rotary_encoder_irq()  local
97 	state = rotary_encoder_get_state(encoder->pdata);  in rotary_encoder_irq()
101 		if (encoder->armed) {  in rotary_encoder_irq()
102 			rotary_encoder_report_event(encoder);  in rotary_encoder_irq()
103 			encoder->armed = false;  in rotary_encoder_irq()
109 		if (encoder->armed)  in rotary_encoder_irq()
110 			encoder->dir = state - 1;  in rotary_encoder_irq()
114 		encoder->armed = true;  in rotary_encoder_irq()
123 	struct rotary_encoder *encoder = dev_id;  in rotary_encoder_half_period_irq()  local
126 	state = rotary_encoder_get_state(encoder->pdata);  in rotary_encoder_half_period_irq()
131 		if (state != encoder->last_stable) {  in rotary_encoder_half_period_irq()
132 			rotary_encoder_report_event(encoder);  in rotary_encoder_half_period_irq()
133 			encoder->last_stable = state;  in rotary_encoder_half_period_irq()
139 		encoder->dir = (encoder->last_stable + state) & 0x01;  in rotary_encoder_half_period_irq()
148 	struct rotary_encoder *encoder = dev_id;  in rotary_encoder_quarter_period_irq()  local
152 	state = rotary_encoder_get_state(encoder->pdata);  in rotary_encoder_quarter_period_irq()
159 	sum = (encoder->last_stable << 4) + state;  in rotary_encoder_quarter_period_irq()
165 		encoder->dir = 0; /* clockwise */  in rotary_encoder_quarter_period_irq()
172 		encoder->dir = 1; /* counter-clockwise */  in rotary_encoder_quarter_period_irq()
188 	rotary_encoder_report_event(encoder);  in rotary_encoder_quarter_period_irq()
191 	encoder->last_stable = state;  in rotary_encoder_quarter_period_irq()
264 	struct rotary_encoder *encoder;  in rotary_encoder_probe()  local
280 	encoder = kzalloc(sizeof(struct rotary_encoder), GFP_KERNEL);  in rotary_encoder_probe()
282 	if (!encoder || !input) {  in rotary_encoder_probe()
287 	encoder->input = input;  in rotary_encoder_probe()
288 	encoder->pdata = pdata;  in rotary_encoder_probe()
299 		input_set_abs_params(encoder->input,  in rotary_encoder_probe()
316 	encoder->irq_a = gpio_to_irq(pdata->gpio_a);  in rotary_encoder_probe()
317 	encoder->irq_b = gpio_to_irq(pdata->gpio_b);  in rotary_encoder_probe()
322 		encoder->last_stable = rotary_encoder_get_state(pdata);  in rotary_encoder_probe()
326 		encoder->last_stable = rotary_encoder_get_state(pdata);  in rotary_encoder_probe()
338 	err = request_irq(encoder->irq_a, handler,  in rotary_encoder_probe()
340 			  DRV_NAME, encoder);  in rotary_encoder_probe()
342 		dev_err(dev, "unable to request IRQ %d\n", encoder->irq_a);  in rotary_encoder_probe()
346 	err = request_irq(encoder->irq_b, handler,  in rotary_encoder_probe()
348 			  DRV_NAME, encoder);  in rotary_encoder_probe()
350 		dev_err(dev, "unable to request IRQ %d\n", encoder->irq_b);  in rotary_encoder_probe()
362 	platform_set_drvdata(pdev, encoder);  in rotary_encoder_probe()
367 	free_irq(encoder->irq_b, encoder);  in rotary_encoder_probe()
369 	free_irq(encoder->irq_a, encoder);  in rotary_encoder_probe()
376 	kfree(encoder);  in rotary_encoder_probe()
385 	struct rotary_encoder *encoder = platform_get_drvdata(pdev);  in rotary_encoder_remove()  local
386 	const struct rotary_encoder_platform_data *pdata = encoder->pdata;  in rotary_encoder_remove()
390 	free_irq(encoder->irq_a, encoder);  in rotary_encoder_remove()
391 	free_irq(encoder->irq_b, encoder);  in rotary_encoder_remove()
395 	input_unregister_device(encoder->input);  in rotary_encoder_remove()
396 	kfree(encoder);  in rotary_encoder_remove()
407 	struct rotary_encoder *encoder = dev_get_drvdata(dev);  in rotary_encoder_suspend()  local
410 		enable_irq_wake(encoder->irq_a);  in rotary_encoder_suspend()
411 		enable_irq_wake(encoder->irq_b);  in rotary_encoder_suspend()
419 	struct rotary_encoder *encoder = dev_get_drvdata(dev);  in rotary_encoder_resume()  local
422 		disable_irq_wake(encoder->irq_a);  in rotary_encoder_resume()
423 		disable_irq_wake(encoder->irq_b);  in rotary_encoder_resume()