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authorBruno Prémont <bonbons@linux-vserver.org>2008-05-27 01:36:04 -0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2008-05-27 01:36:04 -0400
commitd35895db7aadc24086b6002101154eec478e9dd6 (patch)
treeb62557d16b6944d1caedf8a90a172993f3ab1aa6 /drivers/input/serio
parent65e660aa3f76b120c2fe69bf07e1b416dae404a7 (diff)
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>
Diffstat (limited to 'drivers/input/serio')
-rw-r--r--drivers/input/serio/i8042.c33
1 files changed, 25 insertions, 8 deletions
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 65a74cfc187b..592ff55b62d0 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -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
*/