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

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);
}
/*