Fill in the new serio firmware_id sysfs attribute for pnp instantiated
8042 serio ports.

Signed-off-by: Hans de Goede <hdego...@redhat.com>
Acked-by: Peter Hutterer <peter.hutte...@who-t.net>
---
 drivers/input/serio/i8042-x86ia64io.h | 16 ++++++++++++++++
 drivers/input/serio/i8042.c           |  6 ++++++
 2 files changed, 22 insertions(+)

diff --git a/drivers/input/serio/i8042-x86ia64io.h 
b/drivers/input/serio/i8042-x86ia64io.h
index 0ec9abb..2416c74 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -702,6 +702,18 @@ static int i8042_pnp_aux_irq;
 static char i8042_pnp_kbd_name[32];
 static char i8042_pnp_aux_name[32];
 
+static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
+{
+       if (!id)
+               return;
+
+       strlcpy(dst, id->id, dst_size);
+       for (id = id->next; id; id = id->next) {
+               strlcat(dst, " ", dst_size);
+               strlcat(dst, id->id, dst_size);
+       }
+}
+
 static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id 
*did)
 {
        if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
@@ -718,6 +730,8 @@ static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const 
struct pnp_device_id *
                strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
                strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), 
sizeof(i8042_pnp_kbd_name));
        }
+       i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
+                              sizeof(i8042_kbd_firmware_id));
 
        /* Keyboard ports are always supposed to be wakeup-enabled */
        device_set_wakeup_enable(&dev->dev, true);
@@ -742,6 +756,8 @@ static int i8042_pnp_aux_probe(struct pnp_dev *dev, const 
struct pnp_device_id *
                strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
                strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), 
sizeof(i8042_pnp_aux_name));
        }
+       i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
+                              sizeof(i8042_aux_firmware_id));
 
        i8042_pnp_aux_devices++;
        return 0;
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 020053f..3807c3e 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -87,6 +87,8 @@ MODULE_PARM_DESC(debug, "Turn i8042 debugging mode on and 
off");
 #endif
 
 static bool i8042_bypass_aux_irq_test;
+static char i8042_kbd_firmware_id[128];
+static char i8042_aux_firmware_id[128];
 
 #include "i8042.h"
 
@@ -1218,6 +1220,8 @@ static int __init i8042_create_kbd_port(void)
        serio->dev.parent       = &i8042_platform_device->dev;
        strlcpy(serio->name, "i8042 KBD port", sizeof(serio->name));
        strlcpy(serio->phys, I8042_KBD_PHYS_DESC, sizeof(serio->phys));
+       strlcpy(serio->firmware_id, i8042_kbd_firmware_id,
+               sizeof(serio->firmware_id));
 
        port->serio = serio;
        port->irq = I8042_KBD_IRQ;
@@ -1244,6 +1248,8 @@ static int __init i8042_create_aux_port(int idx)
        if (idx < 0) {
                strlcpy(serio->name, "i8042 AUX port", sizeof(serio->name));
                strlcpy(serio->phys, I8042_AUX_PHYS_DESC, sizeof(serio->phys));
+               strlcpy(serio->firmware_id, i8042_aux_firmware_id,
+                       sizeof(serio->firmware_id));
                serio->close = i8042_port_close;
        } else {
                snprintf(serio->name, sizeof(serio->name), "i8042 AUX%d port", 
idx);
-- 
1.9.0

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