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eeepc-laptop: don't enable camera at startup if it's already on.

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Switching the camera takes 500ms, checking if it's on is almost free...
The BIOS remembers the setting through reboots, so there's good chance the
camera is already enabled.

Signed-off-by: Luca Niccoli <lultimouomo@gmail.com>
Cc: Corentin Chary <corentincj@iksaif.net>
Cc: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Cc: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Luca Niccoli 2009-10-16 22:22:47 +02:00 committed by Len Brown
parent 58ce48a9de
commit 80f0c895b5
1 changed files with 2 additions and 1 deletions
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3
drivers/platform/x86/eeepc-laptop.c
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@ -356,7 +356,8 @@ static void __devinit eeepc_enable_camera(void)
* If the following call to set_acpi() fails, it's because there's no
* camera so we can ignore the error.
*/
set_acpi(CM_ASL_CAMERA, 1);
if (get_acpi(CM_ASL_CAMERA) == 0)
set_acpi(CM_ASL_CAMERA, 1);
}
/*