input/keyboard/gpio_keys.c

187  * @ddata: pointer to drvdata
199 static ssize_t gpio_keys_attr_show_helper(struct gpio_keys_drvdata *ddata,
212 	for (i = 0; i < ddata->pdata->nbuttons; i++) {
213 		struct gpio_button_data *bdata = &ddata->data[i];
235  * @ddata: pointer to drvdata
243 static ssize_t gpio_keys_attr_store_helper(struct gpio_keys_drvdata *ddata,
247 	const unsigned long *bitmap = get_bm_events_by_type(ddata->input, type);
266 	for (i = 0; i < ddata->pdata->nbuttons; i++) {
267 		struct gpio_button_data *bdata = &ddata->data[i];
279 	mutex_lock(&ddata->disable_lock);
281 	for (i = 0; i < ddata->pdata->nbuttons; i++) {
282 		struct gpio_button_data *bdata = &ddata->data[i];
293 	mutex_unlock(&ddata->disable_lock);
306 	struct gpio_keys_drvdata *ddata = platform_get_drvdata(pdev);	\
308 	return gpio_keys_attr_show_helper(ddata, buf,			\
333 	struct gpio_keys_drvdata *ddata = platform_get_drvdata(pdev);	\
336 	error = gpio_keys_attr_store_helper(ddata, buf, type);		\
506 				struct gpio_keys_drvdata *ddata,
513 	struct gpio_button_data *bdata = &ddata->data[idx];
656 	bdata->code = &ddata->keymap[idx];
719 static void gpio_keys_report_state(struct gpio_keys_drvdata *ddata)
721 	struct input_dev *input = ddata->input;
724 	for (i = 0; i < ddata->pdata->nbuttons; i++) {
725 		struct gpio_button_data *bdata = &ddata->data[i];
734 	struct gpio_keys_drvdata *ddata = input_get_drvdata(input);
735 	const struct gpio_keys_platform_data *pdata = ddata->pdata;
745 	gpio_keys_report_state(ddata);
752 	struct gpio_keys_drvdata *ddata = input_get_drvdata(input);
753 	const struct gpio_keys_platform_data *pdata = ddata->pdata;
856 	struct gpio_keys_drvdata *ddata;
867 	ddata = devm_kzalloc(dev, struct_size(ddata, data, pdata->nbuttons),
869 	if (!ddata) {
874 	ddata->keymap = devm_kcalloc(dev,
875 				     pdata->nbuttons, sizeof(ddata->keymap[0]),
877 	if (!ddata->keymap)
886 	ddata->pdata = pdata;
887 	ddata->input = input;
888 	mutex_init(&ddata->disable_lock);
890 	platform_set_drvdata(pdev, ddata);
891 	input_set_drvdata(input, ddata);
904 	input->keycode = ddata->keymap;
905 	input->keycodesize = sizeof(ddata->keymap[0]);
925 		error = gpio_keys_setup_key(pdev, input, ddata,
1013 gpio_keys_enable_wakeup(struct gpio_keys_drvdata *ddata)
1019 	for (i = 0; i < ddata->pdata->nbuttons; i++) {
1020 		bdata = &ddata->data[i];
1033 		bdata = &ddata->data[i];
1043 gpio_keys_disable_wakeup(struct gpio_keys_drvdata *ddata)
1048 	for (i = 0; i < ddata->pdata->nbuttons; i++) {
1049 		bdata = &ddata->data[i];
1058 	struct gpio_keys_drvdata *ddata = dev_get_drvdata(dev);
1059 	struct input_dev *input = ddata->input;
1063 		error = gpio_keys_enable_wakeup(ddata);
1078 	struct gpio_keys_drvdata *ddata = dev_get_drvdata(dev);
1079 	struct input_dev *input = ddata->input;
1083 		gpio_keys_disable_wakeup(ddata);
1094 	gpio_keys_report_state(ddata);