59 static void rotary_encoder_report_event(struct rotary_encoder *encoder)  in rotary_encoder_report_event()  argument
61 	const struct rotary_encoder_platform_data *pdata = encoder->pdata;  in rotary_encoder_report_event()
64 		input_report_rel(encoder->input,  in rotary_encoder_report_event()
65 				 pdata->axis, encoder->dir ? -1 : 1);  in rotary_encoder_report_event()
67 		unsigned int pos = encoder->pos;  in rotary_encoder_report_event()
69 		if (encoder->dir) {  in rotary_encoder_report_event()
84 		encoder->pos = pos;  in rotary_encoder_report_event()
85 		input_report_abs(encoder->input, pdata->axis, encoder->pos);  in rotary_encoder_report_event()
88 	input_sync(encoder->input);  in rotary_encoder_report_event()
93 	struct rotary_encoder *encoder = dev_id;  in rotary_encoder_irq()  local
96 	state = rotary_encoder_get_state(encoder->pdata);  in rotary_encoder_irq()
100 		if (encoder->armed) {  in rotary_encoder_irq()
101 			rotary_encoder_report_event(encoder);  in rotary_encoder_irq()
102 			encoder->armed = false;  in rotary_encoder_irq()
108 		if (encoder->armed)  in rotary_encoder_irq()
109 			encoder->dir = state - 1;  in rotary_encoder_irq()
113 		encoder->armed = true;  in rotary_encoder_irq()
122 	struct rotary_encoder *encoder = dev_id;  in rotary_encoder_half_period_irq()  local
125 	state = rotary_encoder_get_state(encoder->pdata);  in rotary_encoder_half_period_irq()
130 		if (state != encoder->last_stable) {  in rotary_encoder_half_period_irq()
131 			rotary_encoder_report_event(encoder);  in rotary_encoder_half_period_irq()
132 			encoder->last_stable = state;  in rotary_encoder_half_period_irq()
138 		encoder->dir = (encoder->last_stable + state) & 0x01;  in rotary_encoder_half_period_irq()
198 	struct rotary_encoder *encoder;  in rotary_encoder_probe()  local
214 	encoder = kzalloc(sizeof(struct rotary_encoder), GFP_KERNEL);  in rotary_encoder_probe()
216 	if (!encoder || !input) {  in rotary_encoder_probe()
221 	encoder->input = input;  in rotary_encoder_probe()
222 	encoder->pdata = pdata;  in rotary_encoder_probe()
233 		input_set_abs_params(encoder->input,  in rotary_encoder_probe()
250 	encoder->irq_a = gpio_to_irq(pdata->gpio_a);  in rotary_encoder_probe()
251 	encoder->irq_b = gpio_to_irq(pdata->gpio_b);  in rotary_encoder_probe()
256 		encoder->last_stable = rotary_encoder_get_state(pdata);  in rotary_encoder_probe()
261 	err = request_irq(encoder->irq_a, handler,  in rotary_encoder_probe()
263 			  DRV_NAME, encoder);  in rotary_encoder_probe()
265 		dev_err(dev, "unable to request IRQ %d\n", encoder->irq_a);  in rotary_encoder_probe()
269 	err = request_irq(encoder->irq_b, handler,  in rotary_encoder_probe()
271 			  DRV_NAME, encoder);  in rotary_encoder_probe()
273 		dev_err(dev, "unable to request IRQ %d\n", encoder->irq_b);  in rotary_encoder_probe()
283 	platform_set_drvdata(pdev, encoder);  in rotary_encoder_probe()
288 	free_irq(encoder->irq_b, encoder);  in rotary_encoder_probe()
290 	free_irq(encoder->irq_a, encoder);  in rotary_encoder_probe()
297 	kfree(encoder);  in rotary_encoder_probe()
306 	struct rotary_encoder *encoder = platform_get_drvdata(pdev);  in rotary_encoder_remove()  local
307 	const struct rotary_encoder_platform_data *pdata = encoder->pdata;  in rotary_encoder_remove()
309 	free_irq(encoder->irq_a, encoder);  in rotary_encoder_remove()
310 	free_irq(encoder->irq_b, encoder);  in rotary_encoder_remove()
314 	input_unregister_device(encoder->input);  in rotary_encoder_remove()
315 	kfree(encoder);  in rotary_encoder_remove()