Commit 838fc808 authored by Hans de Goede's avatar Hans de Goede Committed by Dmitry Torokhov

Input: soc_button_array - add active_low setting to soc_button_info

This is a preparation patch for adding support for Intel INT33D3
ACPI devices. These INT33D3 devices follow yet another Intel defined
(but not documented) ACPI GPIO button standard.

Unlike the ACPI GPIO button devices supported so far, the GPIO used in
the INT33D3 devices is active-high, rather then active-low.

This commit makes setting the gpio_keys_button.active_low flag
configurable through the soc_button_info struct and enables it for all
currently supported devices.
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200826150601.12137-2-hdegoede@redhat.comSigned-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent e2c8c4ec
...@@ -23,6 +23,7 @@ struct soc_button_info { ...@@ -23,6 +23,7 @@ struct soc_button_info {
unsigned int event_code; unsigned int event_code;
bool autorepeat; bool autorepeat;
bool wakeup; bool wakeup;
bool active_low;
}; };
struct soc_device_data { struct soc_device_data {
...@@ -110,7 +111,7 @@ soc_button_device_create(struct platform_device *pdev, ...@@ -110,7 +111,7 @@ soc_button_device_create(struct platform_device *pdev,
gpio_keys[n_buttons].type = info->event_type; gpio_keys[n_buttons].type = info->event_type;
gpio_keys[n_buttons].code = info->event_code; gpio_keys[n_buttons].code = info->event_code;
gpio_keys[n_buttons].gpio = gpio; gpio_keys[n_buttons].gpio = gpio;
gpio_keys[n_buttons].active_low = 1; gpio_keys[n_buttons].active_low = info->active_low;
gpio_keys[n_buttons].desc = info->name; gpio_keys[n_buttons].desc = info->name;
gpio_keys[n_buttons].wakeup = info->wakeup; gpio_keys[n_buttons].wakeup = info->wakeup;
/* These devices often use cheap buttons, use 50 ms debounce */ /* These devices often use cheap buttons, use 50 ms debounce */
...@@ -173,6 +174,7 @@ static int soc_button_parse_btn_desc(struct device *dev, ...@@ -173,6 +174,7 @@ static int soc_button_parse_btn_desc(struct device *dev,
} }
info->event_type = EV_KEY; info->event_type = EV_KEY;
info->active_low = true;
info->acpi_index = info->acpi_index =
soc_button_get_acpi_object_int(&desc->package.elements[1]); soc_button_get_acpi_object_int(&desc->package.elements[1]);
upage = soc_button_get_acpi_object_int(&desc->package.elements[3]); upage = soc_button_get_acpi_object_int(&desc->package.elements[3]);
...@@ -383,11 +385,11 @@ static int soc_button_probe(struct platform_device *pdev) ...@@ -383,11 +385,11 @@ static int soc_button_probe(struct platform_device *pdev)
* Platforms" * Platforms"
*/ */
static const struct soc_button_info soc_button_PNP0C40[] = { static const struct soc_button_info soc_button_PNP0C40[] = {
{ "power", 0, EV_KEY, KEY_POWER, false, true }, { "power", 0, EV_KEY, KEY_POWER, false, true, true },
{ "home", 1, EV_KEY, KEY_LEFTMETA, false, true }, { "home", 1, EV_KEY, KEY_LEFTMETA, false, true, true },
{ "volume_up", 2, EV_KEY, KEY_VOLUMEUP, true, false }, { "volume_up", 2, EV_KEY, KEY_VOLUMEUP, true, false, true },
{ "volume_down", 3, EV_KEY, KEY_VOLUMEDOWN, true, false }, { "volume_down", 3, EV_KEY, KEY_VOLUMEDOWN, true, false, true },
{ "rotation_lock", 4, EV_KEY, KEY_ROTATE_LOCK_TOGGLE, false, false }, { "rotation_lock", 4, EV_KEY, KEY_ROTATE_LOCK_TOGGLE, false, false, true },
{ } { }
}; };
...@@ -444,9 +446,9 @@ static int soc_device_check_MSHW0040(struct device *dev) ...@@ -444,9 +446,9 @@ static int soc_device_check_MSHW0040(struct device *dev)
* Obtained from DSDT/testing. * Obtained from DSDT/testing.
*/ */
static const struct soc_button_info soc_button_MSHW0040[] = { static const struct soc_button_info soc_button_MSHW0040[] = {
{ "power", 0, EV_KEY, KEY_POWER, false, true }, { "power", 0, EV_KEY, KEY_POWER, false, true, true },
{ "volume_up", 2, EV_KEY, KEY_VOLUMEUP, true, false }, { "volume_up", 2, EV_KEY, KEY_VOLUMEUP, true, false, true },
{ "volume_down", 4, EV_KEY, KEY_VOLUMEDOWN, true, false }, { "volume_down", 4, EV_KEY, KEY_VOLUMEDOWN, true, false, true },
{ } { }
}; };
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment