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SubjectRe: [PATCH] Fujitsu Amilo PA 1510 key-release events quirk
On Sat, 29 Nov 2008 22:59:36 +0100 Daniel Mierswa <impulze@impulze.org> wrote:

> heya,
> the fujitsu amilo pa 1510 laptop needs a little lovin' regarding the
> release event of the volume up and down keys. I attached a format-patch
> (against torvalds/linux-2.6.git ed313489badef16d7) which separates the
> generation of release events for certain scancodes into a macro since 3
> dmi matches are already using it and generation of the missing release
> events for that particular laptop. Please post back with any advice and
> thoughts for that patch.
>

Please don't send more than one patch per email. I shall comment on
the two patches in two separate replies.

> From a197dfb0eed23b87418c0a7fe6a562910046576e Mon Sep 17 00:00:00 2001
> From: Daniel Mierswa <impulze@impulze.org>
> Date: Sat, 29 Nov 2008 22:39:34 +0100
> Subject: [PATCH] Separate macro for generation of keyrelease events
>
> ---
> drivers/input/keyboard/atkbd.c | 23 +++++++++++++----------
> 1 files changed, 13 insertions(+), 10 deletions(-)

Please also cc linux-input@vger.kernel.org on input-related patches.

> diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
> index 22016ca..99ef522 100644
> --- a/drivers/input/keyboard/atkbd.c
> +++ b/drivers/input/keyboard/atkbd.c
> @@ -834,6 +834,17 @@ static void atkbd_disconnect(struct serio *serio)
> }
>
> /*
> + * generate release events for the keycodes given in forced_release_keys[]
> + */
> +#define GEN_RELEASE_EVENT \
> + int i; \
> +\
> + if (atkbd->set == 2) \
> + for (i = 0; i < ARRAY_SIZE(forced_release_keys); i++) \
> + __set_bit(forced_release_keys[i], \
> + atkbd->force_release_mask);
> +
> +/*
> * Most special keys (Fn+F?) on Dell laptops do not generate release
> * events so we have to do it ourselves.
> */
> @@ -842,12 +853,8 @@ static void atkbd_dell_laptop_keymap_fixup(struct atkbd *atkbd)
> const unsigned int forced_release_keys[] = {
> 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8f, 0x93,
> };
> - int i;
>
> - if (atkbd->set == 2)
> - for (i = 0; i < ARRAY_SIZE(forced_release_keys); i++)
> - __set_bit(forced_release_keys[i],
> - atkbd->force_release_mask);
> + GEN_RELEASE_EVENT
> }
>
> /*
> @@ -859,12 +866,8 @@ static void atkbd_hp_keymap_fixup(struct atkbd *atkbd)
> const unsigned int forced_release_keys[] = {
> 0x94,
> };
> - int i;
>
> - if (atkbd->set == 2)
> - for (i = 0; i < ARRAY_SIZE(forced_release_keys); i++)
> - __set_bit(forced_release_keys[i],
> - atkbd->force_release_mask);
> + GEN_RELEASE_EVENT
> }

oh my. Please, no. Just write a C function:

void atkbd_gen_release_event(unsigned int *keys, unsigned nr_keys)
{
...
}




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