// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) 2021 The Linux Foundation. All rights reserved.
 * Copyright (c) 2022, Qualcomm Innovation Center, Inc. All rights reserved.
 */

#include <linux/kernel.h>
#include <linux/iio/consumer.h>
#include "smb5-iio.h"

#if defined(CONFIG_QPNP_SMBLITE) && defined(CONFIG_QPNP_SMB5)
struct iio_channel **get_ext_channels(struct device *dev,
		 const char *const *channel_map, int size)
{
	int i, rc = 0;
	struct iio_channel **iio_ch_ext;

	iio_ch_ext = devm_kcalloc(dev, size, sizeof(*iio_ch_ext), GFP_KERNEL);
	if (!iio_ch_ext)
		return ERR_PTR(-ENOMEM);

	for (i = 0; i < size; i++) {
		iio_ch_ext[i] = devm_iio_channel_get(dev, channel_map[i]);

		if (IS_ERR(iio_ch_ext[i])) {
			rc = PTR_ERR(iio_ch_ext[i]);
			if (rc != -EPROBE_DEFER)
				dev_err(dev, "%s channel unavailable, %d\n",
						channel_map[i], rc);
			return ERR_PTR(rc);
		}
	}

	return iio_ch_ext;
}
#endif