From 0aeafa77558fc1b44b0f39a4d9e5bd9316420788 Mon Sep 17 00:00:00 2001 From: Jan-Benedict Glaw Date: Wed, 2 Nov 2005 22:53:11 -0500 Subject: [PATCH] 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 Signed-off-by: Dmitry Torokhov --- drivers/input/keyboard/lkkbd.c | 101 +++++++++++++++++++-------------- 1 file changed, 59 insertions(+), 42 deletions(-) diff --git a/drivers/input/keyboard/lkkbd.c b/drivers/input/keyboard/lkkbd.c index 9481132532d0..77c4d9669ad0 100644 --- a/drivers/input/keyboard/lkkbd.c +++ b/drivers/input/keyboard/lkkbd.c @@ -273,11 +273,11 @@ static lk_keycode_t lkkbd_keycode[LK_NUM_KEYCODES] = { [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 ""; +} +#endif /* LKKBD_DEBUG */ + /* * Calculate volume parameter byte for a given volume. */ @@ -440,43 +476,24 @@ lkkbd_interrupt (struct serio *serio, unsigned char data, unsigned int flags, 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, unsigned int type, unsigned int code, 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); -- 2.20.1