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path: root/drivers/input/serio/hp_sdc.c
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Diffstat (limited to 'drivers/input/serio/hp_sdc.c')
-rw-r--r--drivers/input/serio/hp_sdc.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/input/serio/hp_sdc.c b/drivers/input/serio/hp_sdc.c
index edfedd9..7b233a4 100644
--- a/drivers/input/serio/hp_sdc.c
+++ b/drivers/input/serio/hp_sdc.c
@@ -105,6 +105,10 @@ EXPORT_SYMBOL(__hp_sdc_enqueue_transaction);
EXPORT_SYMBOL(hp_sdc_enqueue_transaction);
EXPORT_SYMBOL(hp_sdc_dequeue_transaction);
+static unsigned int hp_sdc_disabled;
+module_param_named(no_hpsdc, hp_sdc_disabled, bool, 0);
+MODULE_PARM_DESC(no_hpsdc, "Do not enable HP SDC driver.");
+
static hp_i8042_sdc hp_sdc; /* All driver state is kept in here. */
/*************** primitives for use in any context *********************/
@@ -980,6 +984,11 @@ static int __init hp_sdc_register(void)
unsigned char i;
#endif
+ if (hp_sdc_disabled) {
+ printk(KERN_WARNING PREFIX "HP SDC driver disabled by no_hpsdc=1.\n");
+ return -ENODEV;
+ }
+
hp_sdc.dev = NULL;
hp_sdc.dev_err = 0;
#if defined(__hppa__)