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platform/x86: intel-vbtn: Split keymap into buttons and switches parts

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[ Upstream commit f6ba524970c4b73b234bf41ecd6628f5803b1559 ]

Split the sparse keymap into 2 separate keymaps, a buttons and a switches
keymap and combine the 2 to a single map again in intel_vbtn_input_setup().

This is a preparation patch for not telling userspace that we have switches
when we do not have them (and for doing the same for the buttons).

Fixes: de9647efea ("platform/x86: intel-vbtn: Only activate tablet mode switch on 2-in-1's")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Hans de Goede 2020-05-02 20:29:48 +02:00 • committed by Greg Kroah-Hartman
parent e8ffc604cc
commit acb3848de0
1 changed files with 25 additions and 3 deletions

28
drivers/platform/x86/intel-vbtn.c
View file

@ -39,14 +39,20 @@ static const struct key_entry intel_vbtn_keymap[] = {
{ KE_IGNORE, 0xC7, { KEY_VOLUMEDOWN } }, /* volume-down key release */
{ KE_KEY, 0xC8, { KEY_ROTATE_LOCK_TOGGLE } }, /* rotate-lock key press */
{ KE_KEY, 0xC9, { KEY_ROTATE_LOCK_TOGGLE } }, /* rotate-lock key release */
};
static const struct key_entry intel_vbtn_switchmap[] = {
{ KE_SW, 0xCA, { .sw = { SW_DOCK, 1 } } }, /* Docked */
{ KE_SW, 0xCB, { .sw = { SW_DOCK, 0 } } }, /* Undocked */
{ KE_SW, 0xCC, { .sw = { SW_TABLET_MODE, 1 } } }, /* Tablet */
{ KE_SW, 0xCD, { .sw = { SW_TABLET_MODE, 0 } } }, /* Laptop */
{ KE_END },
};
#define KEYMAP_LEN \
(ARRAY_SIZE(intel_vbtn_keymap) + ARRAY_SIZE(intel_vbtn_switchmap) + 1)
struct intel_vbtn_priv {
struct key_entry keymap[KEYMAP_LEN];
struct input_dev *input_dev;
bool wakeup_mode;
};
@ -54,13 +60,29 @@ struct intel_vbtn_priv {
static int intel_vbtn_input_setup(struct platform_device *device)
{
struct intel_vbtn_priv *priv = dev_get_drvdata(&device->dev);
int ret;
int ret, keymap_len = 0;
if (true) {
memcpy(&priv->keymap[keymap_len], intel_vbtn_keymap,
ARRAY_SIZE(intel_vbtn_keymap) *
sizeof(struct key_entry));
keymap_len += ARRAY_SIZE(intel_vbtn_keymap);
}
if (true) {
memcpy(&priv->keymap[keymap_len], intel_vbtn_switchmap,
ARRAY_SIZE(intel_vbtn_switchmap) *
sizeof(struct key_entry));
keymap_len += ARRAY_SIZE(intel_vbtn_switchmap);
}
priv->keymap[keymap_len].type = KE_END;
priv->input_dev = devm_input_allocate_device(&device->dev);
if (!priv->input_dev)
return -ENOMEM;
ret = sparse_keymap_setup(priv->input_dev, intel_vbtn_keymap, NULL);
ret = sparse_keymap_setup(priv->input_dev, priv->keymap, NULL);
if (ret)
return ret;