diff options
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/serio/ams_delta_serio.c | 6 | ||||
| -rw-r--r-- | drivers/input/serio/serio.c | 5 |
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/input/serio/ams_delta_serio.c b/drivers/input/serio/ams_delta_serio.c index 1c0be299f179..a1c314897951 100644 --- a/drivers/input/serio/ams_delta_serio.c +++ b/drivers/input/serio/ams_delta_serio.c @@ -89,6 +89,11 @@ static irqreturn_t ams_delta_serio_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } +static int ams_delta_serio_write(struct serio *serio, u8 data) +{ + return -EINVAL; +} + static int ams_delta_serio_open(struct serio *serio) { struct ams_delta_serio *priv = serio->port_data; @@ -157,6 +162,7 @@ static int ams_delta_serio_init(struct platform_device *pdev) priv->serio = serio; serio->id.type = SERIO_8042; + serio->write = ams_delta_serio_write; serio->open = ams_delta_serio_open; serio->close = ams_delta_serio_close; strlcpy(serio->name, "AMS DELTA keyboard adapter", sizeof(serio->name)); diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c index 29f491082926..8d229a11bb6b 100644 --- a/drivers/input/serio/serio.c +++ b/drivers/input/serio/serio.c @@ -694,6 +694,11 @@ EXPORT_SYMBOL(serio_reconnect); */ void __serio_register_port(struct serio *serio, struct module *owner) { + if (!serio->write) { + pr_err("%s: refusing to register %s without write method\n", + __func__, serio->name); + return; + } serio_init_port(serio); serio_queue_event(serio, owner, SERIO_REGISTER_PORT); } |