On Mon, 31 Jan 2011 21:30:57 +0000, Matthew Garrett <mjg59@xxxxxxxxxxxxx> wrote :
> On Tue, Jan 18, 2011 at 09:21:31AM -0800, Andy Ross wrote:
>
> > It's just an ACPI method interface, so no dedicated IRQ certainly.
> > The firmware does issue ACPI events on coarse orientation changes
> > (i.e. which edge is up) that we're catching with acpid, so there's no
> > reason this needs to poll all the time in typical usage.
>
> It'd be good to provide those via some more generally-usable mechanism
> than raw ACPI events.
>
Something like that ?
From: Anisse Astier <anisse@xxxxxxxxx>
Subject: [PATCH] asus-laptop: Send input event when orientation changes on Pegatron Lucid
Pegatron Lucid tablet sends an ACPI event on coarse orientation changes.
Translate this into KEY_DIRECTION input event.
Signed-off-by: Anisse Astier <anisse@xxxxxxxxx>
---
drivers/platform/x86/asus-laptop.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index 75c84f8..d32395c 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -312,6 +312,8 @@ static const struct key_entry asus_keymap[] = {
{KE_KEY, 0xc4, { KEY_KBDILLUMUP } },
{KE_KEY, 0xc5, { KEY_KBDILLUMDOWN } },
{KE_KEY, 0xb5, { KEY_CALC } },
+ /* Pegatron Lucid tablet specific */
+ {KE_KEY, 0xEA, { KEY_DIRECTION } }, /* Orientation changed */
{KE_END, 0},
};
--
1.7.3.2
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