#include <linux/mm.h>
#include <linux/i8042.h>
#include <linux/debugfs.h>
+#include <linux/dell-led.h>
#include <linux/seq_file.h>
#include <acpi/video.h>
#include "dell-rbtn.h"
#define KBD_LED_AUTO_50_TOKEN 0x02EB
#define KBD_LED_AUTO_75_TOKEN 0x02EC
#define KBD_LED_AUTO_100_TOKEN 0x02F6
+#define GLOBAL_MIC_MUTE_ENABLE 0x0364
+#define GLOBAL_MIC_MUTE_DISABLE 0x0365
struct quirk_entry {
u8 touchpad_led;
DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /*Laptop*/
},
},
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /*Notebook*/
+ },
+ },
{
.ident = "Dell Computer Corporation",
.matches = {
static u8 kbd_previous_mode_bit;
static bool kbd_led_present;
+static DEFINE_MUTEX(kbd_led_mutex);
/*
* NOTE: there are three ways to set the keyboard backlight level.
}
}
+ mutex_lock(&kbd_led_mutex);
+
ret = kbd_get_state(&state);
if (ret)
- return ret;
+ goto out;
new_state = state;
new_state.timeout_value = value;
ret = kbd_set_state_safe(&new_state, &state);
if (ret)
- return ret;
+ goto out;
- return count;
+ ret = count;
+out:
+ mutex_unlock(&kbd_led_mutex);
+ return ret;
}
static ssize_t kbd_led_timeout_show(struct device *dev,
if (trigger[0] != '+' && trigger[0] != '-')
return -EINVAL;
+ mutex_lock(&kbd_led_mutex);
+
ret = kbd_get_state(&state);
if (ret)
- return ret;
+ goto out;
if (kbd_triggers_supported)
triggers_enabled = kbd_is_trigger_mode_bit(state.mode_bit);
if (strcmp(trigger+1, kbd_led_triggers[i]) != 0)
continue;
if (trigger[0] == '+' &&
- triggers_enabled && (state.triggers & BIT(i)))
- return count;
+ triggers_enabled && (state.triggers & BIT(i))) {
+ ret = count;
+ goto out;
+ }
if (trigger[0] == '-' &&
- (!triggers_enabled || !(state.triggers & BIT(i))))
- return count;
+ (!triggers_enabled || !(state.triggers & BIT(i)))) {
+ ret = count;
+ goto out;
+ }
trigger_bit = i;
break;
}
}
- if (trigger_bit != -1) {
- new_state = state;
- if (trigger[0] == '+')
- new_state.triggers |= BIT(trigger_bit);
- else {
- new_state.triggers &= ~BIT(trigger_bit);
- /* NOTE: trackstick bit (2) must be disabled when
- * disabling touchpad bit (1), otherwise touchpad
- * bit (1) will not be disabled */
- if (trigger_bit == 1)
- new_state.triggers &= ~BIT(2);
- }
- if ((kbd_info.triggers & new_state.triggers) !=
- new_state.triggers)
- return -EINVAL;
- if (new_state.triggers && !triggers_enabled) {
- new_state.mode_bit = KBD_MODE_BIT_TRIGGER;
- kbd_set_level(&new_state, kbd_previous_level);
- } else if (new_state.triggers == 0) {
- kbd_set_level(&new_state, 0);
- }
- if (!(kbd_info.modes & BIT(new_state.mode_bit)))
- return -EINVAL;
- ret = kbd_set_state_safe(&new_state, &state);
- if (ret)
- return ret;
- if (new_state.mode_bit != KBD_MODE_BIT_OFF)
- kbd_previous_mode_bit = new_state.mode_bit;
- return count;
+ if (trigger_bit == -1) {
+ ret = -EINVAL;
+ goto out;
}
- return -EINVAL;
+ new_state = state;
+ if (trigger[0] == '+')
+ new_state.triggers |= BIT(trigger_bit);
+ else {
+ new_state.triggers &= ~BIT(trigger_bit);
+ /*
+ * NOTE: trackstick bit (2) must be disabled when
+ * disabling touchpad bit (1), otherwise touchpad
+ * bit (1) will not be disabled
+ */
+ if (trigger_bit == 1)
+ new_state.triggers &= ~BIT(2);
+ }
+ if ((kbd_info.triggers & new_state.triggers) !=
+ new_state.triggers) {
+ ret = -EINVAL;
+ goto out;
+ }
+ if (new_state.triggers && !triggers_enabled) {
+ new_state.mode_bit = KBD_MODE_BIT_TRIGGER;
+ kbd_set_level(&new_state, kbd_previous_level);
+ } else if (new_state.triggers == 0) {
+ kbd_set_level(&new_state, 0);
+ }
+ if (!(kbd_info.modes & BIT(new_state.mode_bit))) {
+ ret = -EINVAL;
+ goto out;
+ }
+ ret = kbd_set_state_safe(&new_state, &state);
+ if (ret)
+ goto out;
+ if (new_state.mode_bit != KBD_MODE_BIT_OFF)
+ kbd_previous_mode_bit = new_state.mode_bit;
+ ret = count;
+out:
+ mutex_unlock(&kbd_led_mutex);
+ return ret;
}
static ssize_t kbd_led_triggers_show(struct device *dev,
if (ret)
return ret;
+ mutex_lock(&kbd_led_mutex);
+
ret = kbd_get_state(&state);
if (ret)
- return ret;
+ goto out;
- if (enable == kbd_is_als_mode_bit(state.mode_bit))
- return count;
+ if (enable == kbd_is_als_mode_bit(state.mode_bit)) {
+ ret = count;
+ goto out;
+ }
new_state = state;
new_state.mode_bit = KBD_MODE_BIT_ON;
}
}
- if (!(kbd_info.modes & BIT(new_state.mode_bit)))
- return -EINVAL;
+ if (!(kbd_info.modes & BIT(new_state.mode_bit))) {
+ ret = -EINVAL;
+ goto out;
+ }
ret = kbd_set_state_safe(&new_state, &state);
if (ret)
- return ret;
+ goto out;
kbd_previous_mode_bit = new_state.mode_bit;
- return count;
+ ret = count;
+out:
+ mutex_unlock(&kbd_led_mutex);
+ return ret;
}
static ssize_t kbd_led_als_enabled_show(struct device *dev,
if (ret)
return ret;
+ mutex_lock(&kbd_led_mutex);
+
ret = kbd_get_state(&state);
if (ret)
- return ret;
+ goto out;
new_state = state;
new_state.als_setting = setting;
ret = kbd_set_state_safe(&new_state, &state);
if (ret)
- return ret;
+ goto out;
- return count;
+ ret = count;
+out:
+ mutex_unlock(&kbd_led_mutex);
+ return ret;
}
static ssize_t kbd_led_als_setting_show(struct device *dev,
u16 num;
int ret;
+ mutex_lock(&kbd_led_mutex);
+
if (kbd_get_max_level()) {
ret = kbd_get_state(&state);
if (ret)
- return ret;
+ goto out;
new_state = state;
ret = kbd_set_level(&new_state, value);
if (ret)
- return ret;
- return kbd_set_state_safe(&new_state, &state);
- }
-
- if (kbd_get_valid_token_counts()) {
+ goto out;
+ ret = kbd_set_state_safe(&new_state, &state);
+ } else if (kbd_get_valid_token_counts()) {
for (num = kbd_token_bits; num != 0 && value > 0; --value)
num &= num - 1; /* clear the first bit set */
if (num == 0)
- return 0;
- return kbd_set_token_bit(ffs(num) - 1);
+ ret = 0;
+ else
+ ret = kbd_set_token_bit(ffs(num) - 1);
+ } else {
+ pr_warn("Keyboard brightness level control not supported\n");
+ ret = -ENXIO;
}
- pr_warn("Keyboard brightness level control not supported\n");
- return -ENXIO;
+out:
+ mutex_unlock(&kbd_led_mutex);
+ return ret;
}
static struct led_classdev kbd_led = {
.name = "dell::kbd_backlight",
+ .flags = LED_BRIGHT_HW_CHANGED,
.brightness_set_blocking = kbd_led_level_set,
.brightness_get = kbd_led_level_get,
.groups = kbd_led_groups,
static int __init kbd_led_init(struct device *dev)
{
+ int ret;
+
kbd_init();
if (!kbd_led_present)
return -ENODEV;
if (kbd_led.max_brightness)
kbd_led.max_brightness--;
}
- return led_classdev_register(dev, &kbd_led);
+ ret = led_classdev_register(dev, &kbd_led);
+ if (ret)
+ kbd_led_present = false;
+
+ return ret;
}
static void brightness_set_exit(struct led_classdev *led_cdev,
led_classdev_unregister(&kbd_led);
}
+static int dell_laptop_notifier_call(struct notifier_block *nb,
+ unsigned long action, void *data)
+{
+ switch (action) {
+ case DELL_LAPTOP_KBD_BACKLIGHT_BRIGHTNESS_CHANGED:
+ if (!kbd_led_present)
+ break;
+
+ led_classdev_notify_brightness_hw_changed(&kbd_led,
+ kbd_led_level_get(&kbd_led));
+ break;
+ }
+
+ return NOTIFY_OK;
+}
+
+static struct notifier_block dell_laptop_notifier = {
+ .notifier_call = dell_laptop_notifier_call,
+};
+
+int dell_micmute_led_set(int state)
+{
+ struct calling_interface_buffer *buffer;
+ struct calling_interface_token *token;
+
+ if (state == 0)
+ token = dell_smbios_find_token(GLOBAL_MIC_MUTE_DISABLE);
+ else if (state == 1)
+ token = dell_smbios_find_token(GLOBAL_MIC_MUTE_ENABLE);
+ else
+ return -EINVAL;
+
+ if (!token)
+ return -ENODEV;
+
+ buffer = dell_smbios_get_buffer();
+ buffer->input[0] = token->location;
+ buffer->input[1] = token->value;
+ dell_smbios_send_request(1, 0);
+ dell_smbios_release_buffer();
+
+ return state;
+}
+EXPORT_SYMBOL_GPL(dell_micmute_led_set);
+
static int __init dell_init(void)
{
struct calling_interface_buffer *buffer;
debugfs_create_file("rfkill", 0444, dell_laptop_dir, NULL,
&dell_debugfs_fops);
+ dell_laptop_register_notifier(&dell_laptop_notifier);
+
if (acpi_video_get_backlight_type() != acpi_backlight_vendor)
return 0;
dell_backlight_device->props.brightness =
dell_get_intensity(dell_backlight_device);
+ if (dell_backlight_device->props.brightness < 0) {
+ ret = dell_backlight_device->props.brightness;
+ goto fail_get_brightness;
+ }
backlight_update_status(dell_backlight_device);
}
return 0;
+fail_get_brightness:
+ backlight_device_unregister(dell_backlight_device);
fail_backlight:
dell_cleanup_rfkill();
fail_rfkill:
static void __exit dell_exit(void)
{
+ dell_laptop_unregister_notifier(&dell_laptop_notifier);
debugfs_remove_recursive(dell_laptop_dir);
if (quirks && quirks->touchpad_led)
touchpad_led_exit();
projects / mirror_ubuntu-artful-kernel.git / blobdiff