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Turn keyboard off on suspend to prevent default colours showing on resume before driver has control again.

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This commit is contained in:
Ash Hughes 2020-02-14 23:12:15 +00:00
parent 3af08adf79
commit 25181b40d2
1 changed files with 15 additions and 2 deletions
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17
src/tuxedo_keyboard.c
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@ -325,7 +325,7 @@ static ssize_t set_brightness_fs(struct device *child,
return size;
}
static void set_enabled(u8 state)
static int set_enabled_cmd(u8 state)
{
u32 cmd = 0xE0000000;
TUXEDO_INFO("Set keyboard enabled to: %d\n", state);
@ -336,7 +336,12 @@ static void set_enabled(u8 state)
cmd |= 0x07F001;
}
if (!tuxedo_evaluate_wmi_method(WMI_SUBMETHOD_ID_SET_KB_LEDS, cmd, NULL)) {
return tuxedo_evaluate_wmi_method(WMI_SUBMETHOD_ID_SET_KB_LEDS, cmd, NULL);
}
static void set_enabled(u8 state)
{
if (!set_enabled_cmd(state)) {
kbd_led_state.enabled = state;
}
}
@ -617,6 +622,13 @@ static int tuxedo_wmi_remove(struct platform_device *dev)
return 0;
}
static int tuxedo_wmi_suspend(struct platform_device *dev, pm_message_t state)
{
// turning the keyboard off prevents default colours showing on resume
set_enabled_cmd(0);
return 0;
}
static int tuxedo_wmi_resume(struct platform_device *dev)
{
tuxedo_evaluate_wmi_method(WMI_SUBMETHOD_ID_GET_AP, 0, NULL);
@ -636,6 +648,7 @@ static int tuxedo_wmi_resume(struct platform_device *dev)
static struct platform_driver tuxedo_platform_driver = {
.remove = tuxedo_wmi_remove,
.suspend = tuxedo_wmi_suspend,
.resume = tuxedo_wmi_resume,
.driver = {
.name = DRIVER_NAME,