[PATCH 3.14 132/228] Input: i8042 - add firmware_id support

Greg Kroah-Hartman
2014-06-05T00:21:36Z

From: Hans de Goede <hdegoede@redhat.com>

commit a7c5868c3482127cb308c779b8a6460a3353c17f upstream.

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

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/input/serio/i8042-x86ia64io.h | 15 +++++++++++++++
drivers/input/serio/i8042.c | 6 ++++++
2 files changed, 21 insertions(+)

--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -702,6 +702,17 @@ 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)
+{
+ strlcpy(dst, "PNP:", dst_size);
+
+ while (id) {
+ strlcat(dst, " ", dst_size);
+ strlcat(dst, id->id, dst_size);
+ id = id->next;
+ }
+}
+
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 +729,8 @@ static int i8042_pnp_kbd_probe(struct pn
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 +755,8 @@ static int i8042_pnp_aux_probe(struct pn
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;
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -87,6 +87,8 @@ MODULE_PARM_DESC(debug, "Turn i8042 debu
#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(
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(
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);