From: Jan-Benedict Glaw <[email protected]>
Input: lkkbd - miscellaneous fixes
* Hide debugging code into #ifdef, which allows to simplify
the large switch statement
* Update macros to not reference variables not given as
arguments
Signed-off-by: Jan-Benedict Glaw <[email protected]>
Signed-off-by: Dmitry Torokhov <[email protected]>
---
drivers/input/keyboard/lkkbd.c | 101 +++++++++++++++++++++++------------------
1 files changed, 59 insertions(+), 42 deletions(-)
Index: work/drivers/input/keyboard/lkkbd.c
===================================================================
--- work.orig/drivers/input/keyboard/lkkbd.c
+++ work/drivers/input/keyboard/lkkbd.c
@@ -273,11 +273,11 @@ static lk_keycode_t lkkbd_keycode[LK_NUM
[0xfb] = KEY_APOSTROPHE,
};
-#define CHECK_LED(LED, BITS) do { \
- if (test_bit (LED, lk->dev->led)) \
- leds_on |= BITS; \
- else \
- leds_off |= BITS; \
+#define CHECK_LED(LK, VAR_ON, VAR_OFF, LED, BITS) do { \
+ if (test_bit (LED, (LK)->dev->led)) \
+ VAR_ON |= BITS; \
+ else \
+ VAR_OFF |= BITS; \
} while (0)
/*
@@ -298,6 +298,42 @@ struct lkkbd {
int ctrlclick_volume;
};
+#ifdef LKKBD_DEBUG
+/*
+ * Responses from the keyboard and mapping back to their names.
+ */
+static struct {
+ unsigned char value;
+ unsigned char *name;
+} lk_response[] = {
+#define RESPONSE(x) { .value = (x), .name = #x, }
+ RESPONSE (LK_STUCK_KEY),
+ RESPONSE (LK_SELFTEST_FAILED),
+ RESPONSE (LK_ALL_KEYS_UP),
+ RESPONSE (LK_METRONOME),
+ RESPONSE (LK_OUTPUT_ERROR),
+ RESPONSE (LK_INPUT_ERROR),
+ RESPONSE (LK_KBD_LOCKED),
+ RESPONSE (LK_KBD_TEST_MODE_ACK),
+ RESPONSE (LK_PREFIX_KEY_DOWN),
+ RESPONSE (LK_MODE_CHANGE_ACK),
+ RESPONSE (LK_RESPONSE_RESERVED),
+#undef RESPONSE
+};
+
+static unsigned char *
+response_name (unsigned char value)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE (lk_response); i++)
+ if (lk_response[i].value == value)
+ return lk_response[i].name;
+
+ return "<unknown>";
+}
+#endif /* LKKBD_DEBUG */
+
/*
* Calculate volume parameter byte for a given volume.
*/
@@ -440,43 +476,24 @@ lkkbd_interrupt (struct serio *serio, un
input_report_key (lk->dev, lk->keycode[i], 0);
input_sync (lk->dev);
break;
- case LK_METRONOME:
- DBG (KERN_INFO "Got LK_METRONOME and don't "
- "know how to handle...\n");
+
+ case 0x01:
+ DBG (KERN_INFO "Got 0x01, scheduling re-initialization\n");
+ lk->ignore_bytes = LK_NUM_IGNORE_BYTES;
+ lk->id[LK_NUM_IGNORE_BYTES - lk->ignore_bytes--] = data;
+ schedule_work (&lk->tq);
break;
+
+ case LK_METRONOME:
case LK_OUTPUT_ERROR:
- DBG (KERN_INFO "Got LK_OUTPUT_ERROR and don't "
- "know how to handle...\n");
- break;
case LK_INPUT_ERROR:
- DBG (KERN_INFO "Got LK_INPUT_ERROR and don't "
- "know how to handle...\n");
- break;
case LK_KBD_LOCKED:
- DBG (KERN_INFO "Got LK_KBD_LOCKED and don't "
- "know how to handle...\n");
- break;
case LK_KBD_TEST_MODE_ACK:
- DBG (KERN_INFO "Got LK_KBD_TEST_MODE_ACK and don't "
- "know how to handle...\n");
- break;
case LK_PREFIX_KEY_DOWN:
- DBG (KERN_INFO "Got LK_PREFIX_KEY_DOWN and don't "
- "know how to handle...\n");
- break;
case LK_MODE_CHANGE_ACK:
- DBG (KERN_INFO "Got LK_MODE_CHANGE_ACK and ignored "
- "it properly...\n");
- break;
case LK_RESPONSE_RESERVED:
- DBG (KERN_INFO "Got LK_RESPONSE_RESERVED and don't "
- "know how to handle...\n");
- break;
- case 0x01:
- DBG (KERN_INFO "Got 0x01, scheduling re-initialization\n");
- lk->ignore_bytes = LK_NUM_IGNORE_BYTES;
- lk->id[LK_NUM_IGNORE_BYTES - lk->ignore_bytes--] = data;
- schedule_work (&lk->tq);
+ DBG (KERN_INFO "Got %s and don't know how to handle...\n",
+ response_name (data));
break;
default:
@@ -509,10 +526,10 @@ lkkbd_event (struct input_dev *dev, unsi
switch (type) {
case EV_LED:
- CHECK_LED (LED_CAPSL, LK_LED_SHIFTLOCK);
- CHECK_LED (LED_COMPOSE, LK_LED_COMPOSE);
- CHECK_LED (LED_SCROLLL, LK_LED_SCROLLLOCK);
- CHECK_LED (LED_SLEEP, LK_LED_WAIT);
+ CHECK_LED (lk, leds_on, leds_off, LED_CAPSL, LK_LED_SHIFTLOCK);
+ CHECK_LED (lk, leds_on, leds_off, LED_COMPOSE, LK_LED_COMPOSE);
+ CHECK_LED (lk, leds_on, leds_off, LED_SCROLLL, LK_LED_SCROLLLOCK);
+ CHECK_LED (lk, leds_on, leds_off, LED_SLEEP, LK_LED_WAIT);
if (leds_on != 0) {
lk->serio->write (lk->serio, LK_CMD_LED_ON);
lk->serio->write (lk->serio, leds_on);
@@ -574,10 +591,10 @@ lkkbd_reinit (void *data)
lk->serio->write (lk->serio, LK_CMD_SET_DEFAULTS);
/* Set LEDs */
- CHECK_LED (LED_CAPSL, LK_LED_SHIFTLOCK);
- CHECK_LED (LED_COMPOSE, LK_LED_COMPOSE);
- CHECK_LED (LED_SCROLLL, LK_LED_SCROLLLOCK);
- CHECK_LED (LED_SLEEP, LK_LED_WAIT);
+ CHECK_LED (lk, leds_on, leds_off, LED_CAPSL, LK_LED_SHIFTLOCK);
+ CHECK_LED (lk, leds_on, leds_off, LED_COMPOSE, LK_LED_COMPOSE);
+ CHECK_LED (lk, leds_on, leds_off, LED_SCROLLL, LK_LED_SCROLLLOCK);
+ CHECK_LED (lk, leds_on, leds_off, LED_SLEEP, LK_LED_WAIT);
if (leds_on != 0) {
lk->serio->write (lk->serio, LK_CMD_LED_ON);
lk->serio->write (lk->serio, leds_on);
-
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