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Input: i8042 - make sure Dritek quirk is invoked at resume 

Also do not fail i8042 entire initialization if enabling dritek extension
fails.

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Bruno Prémont 2008-05-27 01:36:04 -04:00 committed by Dmitry Torokhov
parent 65e660aa3f
commit d35895db7a
1 changed files with 25 additions and 8 deletions
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33
drivers/input/serio/i8042.c
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@ -885,6 +885,20 @@ static long i8042_panic_blink(long count)
#undef DELAY
#ifdef CONFIG_X86
static void i8042_dritek_enable(void)
{
char param = 0x90;
int error;
error = i8042_command(&param, 0x1059);
if (error)
printk(KERN_WARNING
"Failed to enable DRITEK extension: %d\n",
error);
}
#endif
#ifdef CONFIG_PM
/*
* Here we try to restore the original BIOS settings. We only want to
@ -942,6 +956,12 @@ static int i8042_resume(struct platform_device *dev)
return -EIO;
}
#ifdef CONFIG_X86
if (i8042_dritek)
i8042_dritek_enable();
#endif
if (i8042_mux_present) {
if (i8042_set_mux_mode(1, NULL) || i8042_enable_mux_ports())
printk(KERN_WARNING
@ -1160,6 +1180,11 @@ static int __devinit i8042_probe(struct platform_device *dev)
if (error)
return error;
#ifdef CONFIG_X86
if (i8042_dritek)
i8042_dritek_enable();
#endif
if (!i8042_noaux) {
error = i8042_setup_aux();
if (error && error != -ENODEV && error != -EBUSY)
@ -1171,14 +1196,6 @@ static int __devinit i8042_probe(struct platform_device *dev)
if (error)
goto out_fail;
}
#ifdef CONFIG_X86
if (i8042_dritek) {
char param = 0x90;
error = i8042_command(&param, 0x1059);
if (error)
goto out_fail;
}
#endif
/*
* Ok, everything is ready, let's register all serio ports
*/