218 static int zpa2326_enable_device(const struct iio_dev *indio_dev)  in zpa2326_enable_device()  argument
223 			    iio_priv(indio_dev))->regmap,  in zpa2326_enable_device()
226 		zpa2326_err(indio_dev, "failed to enable device (%d)", err);  in zpa2326_enable_device()
230 	zpa2326_dbg(indio_dev, "enabled");  in zpa2326_enable_device()
244 static int zpa2326_sleep(const struct iio_dev *indio_dev)  in zpa2326_sleep()  argument
249 			    iio_priv(indio_dev))->regmap,  in zpa2326_sleep()
252 		zpa2326_err(indio_dev, "failed to sleep (%d)", err);  in zpa2326_sleep()
256 	zpa2326_dbg(indio_dev, "sleeping");  in zpa2326_sleep()
270 static int zpa2326_reset_device(const struct iio_dev *indio_dev)  in zpa2326_reset_device()  argument
275 			    iio_priv(indio_dev))->regmap,  in zpa2326_reset_device()
278 		zpa2326_err(indio_dev, "failed to reset device (%d)", err);  in zpa2326_reset_device()
284 	zpa2326_dbg(indio_dev, "reset");  in zpa2326_reset_device()
299 static int zpa2326_start_oneshot(const struct iio_dev *indio_dev)  in zpa2326_start_oneshot()  argument
304 			    iio_priv(indio_dev))->regmap,  in zpa2326_start_oneshot()
309 		zpa2326_err(indio_dev, "failed to start one shot cycle (%d)",  in zpa2326_start_oneshot()
314 	zpa2326_dbg(indio_dev, "one shot cycle started");  in zpa2326_start_oneshot()
331 static int zpa2326_power_on(const struct iio_dev         *indio_dev,  in zpa2326_power_on()  argument
344 	zpa2326_dbg(indio_dev, "powered on");  in zpa2326_power_on()
346 	err = zpa2326_enable_device(indio_dev);  in zpa2326_power_on()
350 	err = zpa2326_reset_device(indio_dev);  in zpa2326_power_on()
357 	zpa2326_sleep(indio_dev);  in zpa2326_power_on()
363 	zpa2326_dbg(indio_dev, "powered off");  in zpa2326_power_on()
376 static void zpa2326_power_off(const struct iio_dev         *indio_dev,  in zpa2326_power_off()  argument
382 	zpa2326_dbg(indio_dev, "powered off");  in zpa2326_power_off()
402 static int zpa2326_config_oneshot(const struct iio_dev *indio_dev,  in zpa2326_config_oneshot()  argument
406 						iio_priv(indio_dev))->regmap;  in zpa2326_config_oneshot()
421 			dev_err(indio_dev->dev.parent,  in zpa2326_config_oneshot()
427 	zpa2326_dbg(indio_dev, "one shot mode setup @%dHz", freq->hz);  in zpa2326_config_oneshot()
444 static int zpa2326_clear_fifo(const struct iio_dev *indio_dev,  in zpa2326_clear_fifo()  argument
448 			       iio_priv(indio_dev))->regmap;  in zpa2326_clear_fifo()
492 	zpa2326_dbg(indio_dev, "FIFO cleared");  in zpa2326_clear_fifo()
497 	zpa2326_err(indio_dev, "failed to clear FIFO (%d)", err);  in zpa2326_clear_fifo()
512 static int zpa2326_dequeue_pressure(const struct iio_dev *indio_dev,  in zpa2326_dequeue_pressure()  argument
516 			       iio_priv(indio_dev))->regmap;  in zpa2326_dequeue_pressure()
532 		zpa2326_warn(indio_dev, "FIFO overflow");  in zpa2326_dequeue_pressure()
541 		return zpa2326_clear_fifo(indio_dev, ZPA2326_FIFO_DEPTH - 1);  in zpa2326_dequeue_pressure()
567 		zpa2326_dbg(indio_dev, "cleared %d FIFO entries", cleared);  in zpa2326_dequeue_pressure()
579 static int zpa2326_fill_sample_buffer(struct iio_dev               *indio_dev,  in zpa2326_fill_sample_buffer()  argument
589 	if (test_bit(0, indio_dev->active_scan_mask)) {  in zpa2326_fill_sample_buffer()
591 		err = zpa2326_dequeue_pressure(indio_dev, &sample.pressure);  in zpa2326_fill_sample_buffer()
593 			zpa2326_warn(indio_dev, "failed to fetch pressure (%d)",  in zpa2326_fill_sample_buffer()
599 	if (test_bit(1, indio_dev->active_scan_mask)) {  in zpa2326_fill_sample_buffer()
604 			zpa2326_warn(indio_dev,  in zpa2326_fill_sample_buffer()
617 	zpa2326_dbg(indio_dev, "filling raw samples buffer");  in zpa2326_fill_sample_buffer()
619 	iio_push_to_buffers_with_timestamp(indio_dev, &sample,  in zpa2326_fill_sample_buffer()
628 	const struct iio_dev *indio_dev = dev_get_drvdata(parent);  in zpa2326_runtime_suspend()  local
634 	zpa2326_power_off(indio_dev, iio_priv(indio_dev));  in zpa2326_runtime_suspend()
641 	const struct iio_dev *indio_dev = dev_get_drvdata(parent);  in zpa2326_runtime_resume()  local
643 	return zpa2326_power_on(indio_dev, iio_priv(indio_dev));  in zpa2326_runtime_resume()
663 static int zpa2326_resume(const struct iio_dev *indio_dev)  in zpa2326_resume()  argument
667 	err = pm_runtime_get_sync(indio_dev->dev.parent);  in zpa2326_resume()
669 		pm_runtime_put(indio_dev->dev.parent);  in zpa2326_resume()
678 		zpa2326_enable_device(indio_dev);  in zpa2326_resume()
694 static void zpa2326_suspend(struct iio_dev *indio_dev)  in zpa2326_suspend()  argument
696 	struct device *parent = indio_dev->dev.parent;  in zpa2326_suspend()
698 	zpa2326_sleep(indio_dev);  in zpa2326_suspend()
721 static int zpa2326_resume(const struct iio_dev *indio_dev)  in zpa2326_resume()  argument
723 	zpa2326_enable_device(indio_dev);  in zpa2326_resume()
728 static void zpa2326_suspend(struct iio_dev *indio_dev)  in zpa2326_suspend()  argument
730 	zpa2326_sleep(indio_dev);  in zpa2326_suspend()
749 	struct iio_dev *indio_dev = data;  in zpa2326_handle_irq()  local
751 	if (iio_buffer_enabled(indio_dev)) {  in zpa2326_handle_irq()
754 		 iio_priv(indio_dev))->timestamp = iio_get_time_ns(indio_dev);  in zpa2326_handle_irq()
788 	struct iio_dev         *indio_dev = data;  in zpa2326_handle_threaded_irq()  local
789 	struct zpa2326_private *priv = iio_priv(indio_dev);  in zpa2326_handle_threaded_irq()
798 	cont = (iio_buffer_enabled(indio_dev) &&  in zpa2326_handle_threaded_irq()
799 		iio_trigger_using_own(indio_dev));  in zpa2326_handle_threaded_irq()
821 		zpa2326_warn(indio_dev, "unexpected interrupt status %02x",  in zpa2326_handle_threaded_irq()
860 static int zpa2326_wait_oneshot_completion(const struct iio_dev   *indio_dev,  in zpa2326_wait_oneshot_completion()  argument
866 	zpa2326_dbg(indio_dev, "waiting for one shot completion interrupt");  in zpa2326_wait_oneshot_completion()
882 		zpa2326_warn(indio_dev, "no one shot interrupt occurred (%ld)",  in zpa2326_wait_oneshot_completion()
887 	zpa2326_warn(indio_dev, "wait for one shot interrupt cancelled");  in zpa2326_wait_oneshot_completion()
892 				    struct iio_dev         *indio_dev,  in zpa2326_init_managed_irq()  argument
915 					dev_name(parent), indio_dev);  in zpa2326_init_managed_irq()
936 static int zpa2326_poll_oneshot_completion(const struct iio_dev *indio_dev)  in zpa2326_poll_oneshot_completion()  argument
940 			       iio_priv(indio_dev))->regmap;  in zpa2326_poll_oneshot_completion()
944 	zpa2326_dbg(indio_dev, "polling for one shot completion");  in zpa2326_poll_oneshot_completion()
990 	zpa2326_warn(indio_dev, "failed to poll one shot completion (%d)", err);  in zpa2326_poll_oneshot_completion()
1004 static int zpa2326_fetch_raw_sample(const struct iio_dev *indio_dev,  in zpa2326_fetch_raw_sample()  argument
1009 			       iio_priv(indio_dev))->regmap;  in zpa2326_fetch_raw_sample()
1015 		zpa2326_dbg(indio_dev, "fetching raw pressure sample");  in zpa2326_fetch_raw_sample()
1019 			zpa2326_warn(indio_dev, "failed to fetch pressure (%d)",  in zpa2326_fetch_raw_sample()
1029 		zpa2326_dbg(indio_dev, "fetching raw temperature sample");  in zpa2326_fetch_raw_sample()
1033 			zpa2326_warn(indio_dev,  in zpa2326_fetch_raw_sample()
1056 static int zpa2326_sample_oneshot(struct iio_dev     *indio_dev,  in zpa2326_sample_oneshot()  argument
1063 	ret = iio_device_claim_direct_mode(indio_dev);  in zpa2326_sample_oneshot()
1067 	ret = zpa2326_resume(indio_dev);  in zpa2326_sample_oneshot()
1071 	priv = iio_priv(indio_dev);  in zpa2326_sample_oneshot()
1086 			ret = zpa2326_clear_fifo(indio_dev, 0);  in zpa2326_sample_oneshot()
1096 		ret = zpa2326_config_oneshot(indio_dev, priv->irq);  in zpa2326_sample_oneshot()
1102 	ret = zpa2326_start_oneshot(indio_dev);  in zpa2326_sample_oneshot()
1108 		ret = zpa2326_wait_oneshot_completion(indio_dev, priv);  in zpa2326_sample_oneshot()
1110 		ret = zpa2326_poll_oneshot_completion(indio_dev);  in zpa2326_sample_oneshot()
1116 	ret = zpa2326_fetch_raw_sample(indio_dev, type, value);  in zpa2326_sample_oneshot()
1119 	zpa2326_suspend(indio_dev);  in zpa2326_sample_oneshot()
1121 	iio_device_release_direct_mode(indio_dev);  in zpa2326_sample_oneshot()
1155 	struct iio_dev         *indio_dev = ((struct iio_poll_func *)  in zpa2326_trigger_handler()  local
1156 					     data)->indio_dev;  in zpa2326_trigger_handler()
1157 	struct zpa2326_private *priv = iio_priv(indio_dev);  in zpa2326_trigger_handler()
1165 	cont = iio_trigger_using_own(indio_dev);  in zpa2326_trigger_handler()
1169 		if (zpa2326_start_oneshot(indio_dev))  in zpa2326_trigger_handler()
1175 			if (zpa2326_poll_oneshot_completion(indio_dev))  in zpa2326_trigger_handler()
1179 			priv->timestamp = iio_get_time_ns(indio_dev);  in zpa2326_trigger_handler()
1182 			if (zpa2326_wait_oneshot_completion(indio_dev, priv))  in zpa2326_trigger_handler()
1188 	zpa2326_fill_sample_buffer(indio_dev, priv);  in zpa2326_trigger_handler()
1193 		zpa2326_sleep(indio_dev);  in zpa2326_trigger_handler()
1196 	iio_trigger_notify_done(indio_dev->trig);  in zpa2326_trigger_handler()
1212 static int zpa2326_preenable_buffer(struct iio_dev *indio_dev)  in zpa2326_preenable_buffer()  argument
1214 	int ret = zpa2326_resume(indio_dev);  in zpa2326_preenable_buffer()
1221 	 iio_priv(indio_dev))->waken = iio_priv(indio_dev);  in zpa2326_preenable_buffer()
1242 static int zpa2326_postenable_buffer(struct iio_dev *indio_dev)  in zpa2326_postenable_buffer()  argument
1244 	const struct zpa2326_private *priv = iio_priv(indio_dev);  in zpa2326_postenable_buffer()
1252 		err = zpa2326_clear_fifo(indio_dev, 0);  in zpa2326_postenable_buffer()
1254 			zpa2326_err(indio_dev,  in zpa2326_postenable_buffer()
1260 	if (!iio_trigger_using_own(indio_dev) && priv->waken) {  in zpa2326_postenable_buffer()
1265 		err = zpa2326_config_oneshot(indio_dev, priv->irq);  in zpa2326_postenable_buffer()
1267 			zpa2326_err(indio_dev,  in zpa2326_postenable_buffer()
1276 static int zpa2326_postdisable_buffer(struct iio_dev *indio_dev)  in zpa2326_postdisable_buffer()  argument
1278 	zpa2326_suspend(indio_dev);  in zpa2326_postdisable_buffer()
1303 	const struct iio_dev         *indio_dev = dev_get_drvdata(  in zpa2326_set_trigger_state()  local
1305 	const struct zpa2326_private *priv = iio_priv(indio_dev);  in zpa2326_set_trigger_state()
1350 		zpa2326_dbg(indio_dev, "continuous mode stopped");  in zpa2326_set_trigger_state()
1373 		zpa2326_dbg(indio_dev, "continuous mode setup @%dHz",  in zpa2326_set_trigger_state()
1400 					struct iio_dev         *indio_dev,  in zpa2326_init_managed_trigger()  argument
1411 					 indio_dev->name,  in zpa2326_init_managed_trigger()
1412 					 iio_device_id(indio_dev));  in zpa2326_init_managed_trigger()
1430 static int zpa2326_get_frequency(const struct iio_dev *indio_dev)  in zpa2326_get_frequency()  argument
1432 	return ((struct zpa2326_private *)iio_priv(indio_dev))->frequency->hz;  in zpa2326_get_frequency()
1435 static int zpa2326_set_frequency(struct iio_dev *indio_dev, int hz)  in zpa2326_set_frequency()  argument
1437 	struct zpa2326_private *priv = iio_priv(indio_dev);  in zpa2326_set_frequency()
1449 	err = iio_device_claim_direct_mode(indio_dev);  in zpa2326_set_frequency()
1455 	iio_device_release_direct_mode(indio_dev);  in zpa2326_set_frequency()
1472 static int zpa2326_read_raw(struct iio_dev             *indio_dev,  in zpa2326_read_raw()  argument
1480 		return zpa2326_sample_oneshot(indio_dev, chan->type, val);  in zpa2326_read_raw()
1528 		*val = zpa2326_get_frequency(indio_dev);  in zpa2326_read_raw()
1536 static int zpa2326_write_raw(struct iio_dev             *indio_dev,  in zpa2326_write_raw()  argument
1545 	return zpa2326_set_frequency(indio_dev, val);  in zpa2326_write_raw()
1589 	struct iio_dev *indio_dev;  in zpa2326_create_managed_iiodev()  local
1592 	indio_dev = devm_iio_device_alloc(device,  in zpa2326_create_managed_iiodev()
1594 	if (!indio_dev)  in zpa2326_create_managed_iiodev()
1598 	indio_dev->modes = INDIO_DIRECT_MODE;  in zpa2326_create_managed_iiodev()
1599 	indio_dev->channels = zpa2326_channels;  in zpa2326_create_managed_iiodev()
1600 	indio_dev->num_channels = ARRAY_SIZE(zpa2326_channels);  in zpa2326_create_managed_iiodev()
1601 	indio_dev->name = name;  in zpa2326_create_managed_iiodev()
1602 	indio_dev->info = &zpa2326_info;  in zpa2326_create_managed_iiodev()
1604 	return indio_dev;  in zpa2326_create_managed_iiodev()
1613 	struct iio_dev         *indio_dev;  in zpa2326_probe()  local
1618 	indio_dev = zpa2326_create_managed_iiodev(parent, name, regmap);  in zpa2326_probe()
1619 	if (!indio_dev)  in zpa2326_probe()
1622 	priv = iio_priv(indio_dev);  in zpa2326_probe()
1642 	err = devm_iio_triggered_buffer_setup(parent, indio_dev, NULL,  in zpa2326_probe()
1648 	err = zpa2326_init_managed_trigger(parent, indio_dev, priv, irq);  in zpa2326_probe()
1652 	err = zpa2326_init_managed_irq(parent, indio_dev, priv, irq);  in zpa2326_probe()
1657 	err = zpa2326_power_on(indio_dev, priv);  in zpa2326_probe()
1672 	err = zpa2326_config_oneshot(indio_dev, irq);  in zpa2326_probe()
1677 	err = zpa2326_sleep(indio_dev);  in zpa2326_probe()
1681 	dev_set_drvdata(parent, indio_dev);  in zpa2326_probe()
1685 	err = iio_device_register(indio_dev);  in zpa2326_probe()
1695 	zpa2326_sleep(indio_dev);  in zpa2326_probe()
1697 	zpa2326_power_off(indio_dev, priv);  in zpa2326_probe()
1705 	struct iio_dev *indio_dev = dev_get_drvdata(parent);  in zpa2326_remove()  local
1707 	iio_device_unregister(indio_dev);  in zpa2326_remove()
1708 	zpa2326_fini_runtime(indio_dev->dev.parent);  in zpa2326_remove()
1709 	zpa2326_sleep(indio_dev);  in zpa2326_remove()
1710 	zpa2326_power_off(indio_dev, iio_priv(indio_dev));  in zpa2326_remove()