forked from Minki/linux
Merge branch 'topic/huawei-leds' into for-next
Pull Huawei LEDS and hotkey support. Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai
commit
576d28812d
@ -1292,6 +1292,23 @@ config INTEL_ATOMISP2_PM
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To compile this driver as a module, choose M here: the module
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will be called intel_atomisp2_pm.
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config HUAWEI_WMI
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tristate "Huawei WMI hotkeys driver"
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depends on ACPI_WMI
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depends on INPUT
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select INPUT_SPARSEKMAP
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select LEDS_CLASS
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select LEDS_TRIGGERS
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select LEDS_TRIGGER_AUDIO
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select NEW_LEDS
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help
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This driver provides support for Huawei WMI hotkeys.
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It enables the missing keys and adds support to the micmute
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LED found on some of these laptops.
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To compile this driver as a module, choose M here: the module
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will be called huawei-wmi.
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endif # X86_PLATFORM_DEVICES
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config PMC_ATOM
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@ -32,6 +32,7 @@ obj-$(CONFIG_ACERHDF) += acerhdf.o
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obj-$(CONFIG_HP_ACCEL) += hp_accel.o
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obj-$(CONFIG_HP_WIRELESS) += hp-wireless.o
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obj-$(CONFIG_HP_WMI) += hp-wmi.o
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obj-$(CONFIG_HUAWEI_WMI) += huawei-wmi.o
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obj-$(CONFIG_AMILO_RFKILL) += amilo-rfkill.o
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obj-$(CONFIG_GPD_POCKET_FAN) += gpd-pocket-fan.o
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obj-$(CONFIG_TC1100_WMI) += tc1100-wmi.o
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208
drivers/platform/x86/huawei-wmi.c
Normal file
208
drivers/platform/x86/huawei-wmi.c
Normal file
@ -0,0 +1,208 @@
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Huawei WMI hotkeys
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*
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* Copyright (C) 2018 Ayman Bagabas <ayman.bagabas@gmail.com>
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*/
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#include <linux/acpi.h>
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#include <linux/input.h>
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#include <linux/input/sparse-keymap.h>
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#include <linux/leds.h>
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#include <linux/module.h>
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#include <linux/wmi.h>
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/*
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* Huawei WMI GUIDs
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*/
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#define WMI0_EVENT_GUID "59142400-C6A3-40fa-BADB-8A2652834100"
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#define AMW0_EVENT_GUID "ABBC0F5C-8EA1-11D1-A000-C90629100000"
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#define WMI0_EXPENSIVE_GUID "39142400-C6A3-40fa-BADB-8A2652834100"
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struct huawei_wmi_priv {
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struct input_dev *idev;
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struct led_classdev cdev;
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acpi_handle handle;
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char *acpi_method;
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};
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static const struct key_entry huawei_wmi_keymap[] = {
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{ KE_KEY, 0x281, { KEY_BRIGHTNESSDOWN } },
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{ KE_KEY, 0x282, { KEY_BRIGHTNESSUP } },
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{ KE_KEY, 0x284, { KEY_MUTE } },
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{ KE_KEY, 0x285, { KEY_VOLUMEDOWN } },
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{ KE_KEY, 0x286, { KEY_VOLUMEUP } },
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{ KE_KEY, 0x287, { KEY_MICMUTE } },
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{ KE_KEY, 0x289, { KEY_WLAN } },
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// Huawei |M| key
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{ KE_KEY, 0x28a, { KEY_CONFIG } },
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// Keyboard backlight
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{ KE_IGNORE, 0x293, { KEY_KBDILLUMTOGGLE } },
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{ KE_IGNORE, 0x294, { KEY_KBDILLUMUP } },
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{ KE_IGNORE, 0x295, { KEY_KBDILLUMUP } },
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{ KE_END, 0 }
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};
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static int huawei_wmi_micmute_led_set(struct led_classdev *led_cdev,
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enum led_brightness brightness)
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{
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struct huawei_wmi_priv *priv = dev_get_drvdata(led_cdev->dev->parent);
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acpi_status status;
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union acpi_object args[3];
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struct acpi_object_list arg_list = {
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.pointer = args,
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.count = ARRAY_SIZE(args),
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};
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args[0].type = args[1].type = args[2].type = ACPI_TYPE_INTEGER;
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args[1].integer.value = 0x04;
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if (strcmp(priv->acpi_method, "SPIN") == 0) {
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args[0].integer.value = 0;
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args[2].integer.value = brightness ? 1 : 0;
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} else if (strcmp(priv->acpi_method, "WPIN") == 0) {
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args[0].integer.value = 1;
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args[2].integer.value = brightness ? 0 : 1;
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} else {
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return -EINVAL;
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}
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status = acpi_evaluate_object(priv->handle, priv->acpi_method, &arg_list, NULL);
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if (ACPI_FAILURE(status))
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return -ENXIO;
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return 0;
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}
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static int huawei_wmi_leds_setup(struct wmi_device *wdev)
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{
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struct huawei_wmi_priv *priv = dev_get_drvdata(&wdev->dev);
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priv->handle = ec_get_handle();
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if (!priv->handle)
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return 0;
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if (acpi_has_method(priv->handle, "SPIN"))
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priv->acpi_method = "SPIN";
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else if (acpi_has_method(priv->handle, "WPIN"))
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priv->acpi_method = "WPIN";
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else
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return 0;
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priv->cdev.name = "platform::micmute";
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priv->cdev.max_brightness = 1;
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priv->cdev.brightness_set_blocking = huawei_wmi_micmute_led_set;
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priv->cdev.default_trigger = "audio-micmute";
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priv->cdev.brightness = ledtrig_audio_get(LED_AUDIO_MICMUTE);
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priv->cdev.dev = &wdev->dev;
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priv->cdev.flags = LED_CORE_SUSPENDRESUME;
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return devm_led_classdev_register(&wdev->dev, &priv->cdev);
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}
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static void huawei_wmi_process_key(struct wmi_device *wdev, int code)
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{
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struct huawei_wmi_priv *priv = dev_get_drvdata(&wdev->dev);
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const struct key_entry *key;
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/*
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* WMI0 uses code 0x80 to indicate a hotkey event.
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* The actual key is fetched from the method WQ00
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* using WMI0_EXPENSIVE_GUID.
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*/
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if (code == 0x80) {
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struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
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union acpi_object *obj;
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acpi_status status;
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status = wmi_query_block(WMI0_EXPENSIVE_GUID, 0, &response);
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if (ACPI_FAILURE(status))
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return;
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obj = (union acpi_object *)response.pointer;
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if (obj && obj->type == ACPI_TYPE_INTEGER)
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code = obj->integer.value;
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kfree(response.pointer);
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}
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key = sparse_keymap_entry_from_scancode(priv->idev, code);
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if (!key) {
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dev_info(&wdev->dev, "Unknown key pressed, code: 0x%04x\n", code);
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return;
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}
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sparse_keymap_report_entry(priv->idev, key, 1, true);
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}
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static void huawei_wmi_notify(struct wmi_device *wdev,
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union acpi_object *obj)
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{
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if (obj->type == ACPI_TYPE_INTEGER)
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huawei_wmi_process_key(wdev, obj->integer.value);
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else
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dev_info(&wdev->dev, "Bad response type %d\n", obj->type);
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}
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static int huawei_wmi_input_setup(struct wmi_device *wdev)
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{
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struct huawei_wmi_priv *priv = dev_get_drvdata(&wdev->dev);
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int err;
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priv->idev = devm_input_allocate_device(&wdev->dev);
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if (!priv->idev)
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return -ENOMEM;
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priv->idev->name = "Huawei WMI hotkeys";
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priv->idev->phys = "wmi/input0";
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priv->idev->id.bustype = BUS_HOST;
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priv->idev->dev.parent = &wdev->dev;
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err = sparse_keymap_setup(priv->idev, huawei_wmi_keymap, NULL);
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if (err)
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return err;
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return input_register_device(priv->idev);
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}
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static int huawei_wmi_probe(struct wmi_device *wdev)
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{
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struct huawei_wmi_priv *priv;
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int err;
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priv = devm_kzalloc(&wdev->dev, sizeof(struct huawei_wmi_priv), GFP_KERNEL);
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if (!priv)
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return -ENOMEM;
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dev_set_drvdata(&wdev->dev, priv);
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err = huawei_wmi_input_setup(wdev);
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if (err)
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return err;
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return huawei_wmi_leds_setup(wdev);
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}
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static const struct wmi_device_id huawei_wmi_id_table[] = {
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{ .guid_string = WMI0_EVENT_GUID },
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{ .guid_string = AMW0_EVENT_GUID },
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{ }
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};
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static struct wmi_driver huawei_wmi_driver = {
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.driver = {
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.name = "huawei-wmi",
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},
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.id_table = huawei_wmi_id_table,
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.probe = huawei_wmi_probe,
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.notify = huawei_wmi_notify,
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};
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module_wmi_driver(huawei_wmi_driver);
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MODULE_ALIAS("wmi:"WMI0_EVENT_GUID);
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MODULE_ALIAS("wmi:"AMW0_EVENT_GUID);
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MODULE_AUTHOR("Ayman Bagabas <ayman.bagabas@gmail.com>");
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MODULE_DESCRIPTION("Huawei WMI hotkeys");
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MODULE_LICENSE("GPL v2");
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@ -5572,6 +5572,7 @@ enum {
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ALC298_FIXUP_TPT470_DOCK,
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ALC255_FIXUP_DUMMY_LINEOUT_VERB,
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ALC255_FIXUP_DELL_HEADSET_MIC,
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ALC256_FIXUP_HUAWEI_MBXP_PINS,
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ALC295_FIXUP_HP_X360,
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ALC221_FIXUP_HP_HEADSET_MIC,
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ALC285_FIXUP_LENOVO_HEADPHONE_NOISE,
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@ -5852,6 +5853,24 @@ static const struct hda_fixup alc269_fixups[] = {
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.chained = true,
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.chain_id = ALC269_FIXUP_HEADSET_MIC
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},
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[ALC256_FIXUP_HUAWEI_MBXP_PINS] = {
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.type = HDA_FIXUP_PINS,
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.v.pins = (const struct hda_pintbl[]) {
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{0x12, 0x90a60130},
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{0x13, 0x40000000},
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{0x14, 0x90170110},
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{0x18, 0x411111f0},
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{0x19, 0x04a11040},
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{0x1a, 0x411111f0},
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{0x1b, 0x90170112},
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{0x1d, 0x40759a05},
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{0x1e, 0x411111f0},
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{0x21, 0x04211020},
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{ }
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},
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.chained = true,
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.chain_id = ALC255_FIXUP_MIC_MUTE_LED
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},
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[ALC269_FIXUP_ASUS_X101_FUNC] = {
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.type = HDA_FIXUP_FUNC,
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.v.func = alc269_fixup_x101_headset_mic,
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@ -6742,6 +6761,9 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
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SND_PCI_QUIRK(0x17aa, 0x511f, "Thinkpad", ALC298_FIXUP_TPT470_DOCK),
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SND_PCI_QUIRK(0x17aa, 0x3bf8, "Quanta FL1", ALC269_FIXUP_PCM_44K),
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SND_PCI_QUIRK(0x17aa, 0x9e54, "LENOVO NB", ALC269_FIXUP_LENOVO_EAPD),
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SND_PCI_QUIRK(0x19e5, 0x3200, "Huawei MBX", ALC255_FIXUP_MIC_MUTE_LED),
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SND_PCI_QUIRK(0x19e5, 0x3201, "Huawei MBX", ALC255_FIXUP_MIC_MUTE_LED),
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SND_PCI_QUIRK(0x19e5, 0x3204, "Huawei MBXP", ALC256_FIXUP_HUAWEI_MBXP_PINS),
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SND_PCI_QUIRK(0x1b7d, 0xa831, "Ordissimo EVE2 ", ALC269VB_FIXUP_ORDISSIMO_EVE2), /* Also known as Malata PC-B1303 */
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#if 0
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