Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
platform/x86/intel/wmi: thunderbolt: Use new buffer-based WMI API
Use the new buffer-based WMI API to avoid having to deal with ACPI
at all.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://patch.msgid.link/20260116204116.4030-7-W_Armin@gmx.de
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
authored by
Armin Wolf
and committed by
Ilpo Järvinen
e210986f
534f685d
+11
-15
+11
-15
drivers/platform/x86/intel/wmi/thunderbolt.c
+11
-15
drivers/platform/x86/intel/wmi/thunderbolt.c
···
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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-
#include <linux/acpi.h>
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#include <linux/device.h>
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#include <linux/fs.h>
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#include <linux/kernel.h>
···
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struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct acpi_buffer input;
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acpi_status status;
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struct wmi_buffer buffer;
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int ret;
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u8 mode;
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input.length = sizeof(u8);
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input.pointer = &mode;
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buffer.length = sizeof(mode);
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buffer.data = &mode;
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mode = hex_to_bin(buf[0]);
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dev_dbg(dev, "force_power: storing %#x\n", mode);
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if (mode == 0 || mode == 1) {
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status = wmidev_evaluate_method(to_wmi_device(dev), 0, 1, &input, NULL);
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if (ACPI_FAILURE(status)) {
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dev_dbg(dev, "force_power: failed to evaluate ACPI method\n");
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return -ENODEV;
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}
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} else {
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dev_dbg(dev, "force_power: unsupported mode\n");
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if (mode > 1)
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return -EINVAL;
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}
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ret = wmidev_invoke_method(to_wmi_device(dev), 0, 1, &buffer, NULL);
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if (ret < 0)
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return ret;
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return count;
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}
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