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Split alienware-wmi WMI drivers into different files. This is done seamlessly by copying and pasting, however some blocks are reordered. Reviewed-by: Armin Wolf <W_Armin@gmx.de> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Kurt Borja <kuurtb@gmail.com> Link: https://lore.kernel.org/r/20250207154610.13675-12-kuurtb@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
95 lines
2.1 KiB
C
95 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Alienware LEGACY WMI device driver
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*
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* Copyright (C) 2025 Kurt Borja <kuurtb@gmail.com>
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*/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/wmi.h>
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#include "alienware-wmi.h"
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struct legacy_led_args {
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struct color_platform colors;
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u8 brightness;
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u8 state;
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} __packed;
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/*
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* Legacy WMI driver
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*/
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static int legacy_wmi_update_led(struct alienfx_priv *priv,
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struct wmi_device *wdev, u8 location)
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{
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struct legacy_led_args legacy_args = {
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.colors = priv->colors[location],
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.brightness = priv->global_brightness,
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.state = 0,
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};
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struct acpi_buffer input;
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acpi_status status;
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if (legacy_args.state != LEGACY_RUNNING) {
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legacy_args.state = priv->lighting_control_state;
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input.length = sizeof(legacy_args);
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input.pointer = &legacy_args;
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status = wmi_evaluate_method(LEGACY_POWER_CONTROL_GUID, 0,
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location + 1, &input, NULL);
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if (ACPI_FAILURE(status))
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return -EIO;
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return 0;
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}
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return alienware_wmi_command(wdev, location + 1, &legacy_args,
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sizeof(legacy_args), NULL);
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}
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static int legacy_wmi_update_brightness(struct alienfx_priv *priv,
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struct wmi_device *wdev, u8 brightness)
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{
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return legacy_wmi_update_led(priv, wdev, 0);
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}
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static int legacy_wmi_probe(struct wmi_device *wdev, const void *context)
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{
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struct alienfx_platdata pdata = {
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.wdev = wdev,
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.ops = {
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.upd_led = legacy_wmi_update_led,
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.upd_brightness = legacy_wmi_update_brightness,
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},
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};
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return alienware_alienfx_setup(&pdata);
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}
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static const struct wmi_device_id alienware_legacy_device_id_table[] = {
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{ LEGACY_CONTROL_GUID, NULL },
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{ },
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};
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MODULE_DEVICE_TABLE(wmi, alienware_legacy_device_id_table);
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static struct wmi_driver alienware_legacy_wmi_driver = {
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.driver = {
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.name = "alienware-wmi-alienfx",
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.probe_type = PROBE_PREFER_ASYNCHRONOUS,
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},
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.id_table = alienware_legacy_device_id_table,
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.probe = legacy_wmi_probe,
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.no_singleton = true,
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};
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int __init alienware_legacy_wmi_init(void)
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{
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return wmi_driver_register(&alienware_legacy_wmi_driver);
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}
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void __exit alienware_legacy_wmi_exit(void)
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{
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wmi_driver_unregister(&alienware_legacy_wmi_driver);
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}
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