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https://github.com/brain-hackers/u-boot-brain
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caa4daa2ae
We use 'priv' for private data but often use 'platdata' for platform data. We can't really use 'pdata' since that is ambiguous (it could mean private or platform data). Rename some of the latter variables to end with 'plat' for consistency. Signed-off-by: Simon Glass <sjg@chromium.org>
44 lines
933 B
C
44 lines
933 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2020 Philippe Reynes <philippe.reynes@softathome.com>
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*
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* Based on led-uclass.c
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*/
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#include <common.h>
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#include <button.h>
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#include <dm.h>
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#include <dm/uclass-internal.h>
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int button_get_by_label(const char *label, struct udevice **devp)
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{
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struct udevice *dev;
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struct uclass *uc;
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uclass_id_foreach_dev(UCLASS_BUTTON, dev, uc) {
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struct button_uc_plat *uc_plat = dev_get_uclass_plat(dev);
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/* Ignore the top-level button node */
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if (uc_plat->label && !strcmp(label, uc_plat->label))
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return uclass_get_device_tail(dev, 0, devp);
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}
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return -ENODEV;
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}
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enum button_state_t button_get_state(struct udevice *dev)
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{
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struct button_ops *ops = button_get_ops(dev);
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if (!ops->get_state)
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return -ENOSYS;
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return ops->get_state(dev);
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}
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UCLASS_DRIVER(button) = {
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.id = UCLASS_BUTTON,
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.name = "button",
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.per_device_plat_auto = sizeof(struct button_uc_plat),
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};
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