void
kbd_backlight_init(void)
{
if (kbd_cfg.auto_on)
kbd_bck_info.inhibit = 0;
else
kbd_bck_info.inhibit = KBD_INHIBIT_CFG;
kbd_bck_info.toggle_lvl = kbd_cfg.auto_lvl;
kbd_bck_info.inhibit_lvl = 0;
kbd_bck_info.auto_on = 0;
if (!has_kbd_backlight())
{
kbd_bck_info.r_sens = 0;
kbd_bck_info.l_sens = 0;
kbd_bck_info.level = 0;
return;
}
kbd_bck_info.level = kbd_backlight_get();
if (kbd_bck_info.level < 0)
kbd_bck_info.level = 0;
kbd_bck_info.max = KBD_BACKLIGHT_MAX;
kbd_auto_init();
}
static void
kbd_pmu_backlight_set(int val, int who)
{
int curval;
int i;
float fadeval;
float step;
struct timespec fade_step;
int fd;
if (kbd_bck_info.inhibit & ~KBD_INHIBIT_CFG)
return;
curval = kbd_backlight_get();
if (val == curval)
return;
if ((val < KBD_BACKLIGHT_OFF) || (val > KBD_BACKLIGHT_MAX))
return;
fd = open(ADB_DEVICE, O_RDWR);
if (fd < 0)
{
logmsg(LOG_ERR, "Could not open %s: %s", ADB_DEVICE, strerror(errno));
return;
}
if (who == KBD_AUTO)
{
fade_step.tv_sec = 0;
fade_step.tv_nsec = (KBD_BACKLIGHT_FADE_LENGTH / KBD_BACKLIGHT_FADE_STEPS) * 1000000;
fadeval = (float)curval;
step = (float)(val - curval) / (float)KBD_BACKLIGHT_FADE_STEPS;
for (i = 0; i < KBD_BACKLIGHT_FADE_STEPS; i++)
{
fadeval += step;
adb_write_kbd_value(fd, (unsigned char)fadeval);
logdebug("KBD backlight value faded to %d\n", (int)fadeval);
nanosleep(&fade_step, NULL);
}
}
adb_write_kbd_value(fd, val);
close(fd);
mbpdbus_send_kbd_backlight(val, kbd_bck_info.level, who);
kbd_bck_info.level = val;
}
void
kbd_backlight_init(void)
{
int ret;
if (kbd_cfg.auto_on)
kbd_bck_info.inhibit = 0;
else
kbd_bck_info.inhibit = KBD_INHIBIT_CFG;
kbd_bck_info.toggle_lvl = kbd_cfg.auto_lvl;
kbd_bck_info.inhibit_lvl = 0;
kbd_bck_info.auto_on = 0;
if (!has_kbd_backlight()
|| (mops->type == MACHINE_POWERBOOK_58)
|| (mops->type == MACHINE_POWERBOOK_59))
{
/* Nothing to probe for the PMU05 machines */
ret = 0;
}
else
ret = kbd_probe_lmu();
if (!has_kbd_backlight() || (ret < 0))
{
lmu_info.lmuaddr = 0;
kbd_bck_info.r_sens = 0;
kbd_bck_info.l_sens = 0;
kbd_bck_info.level = 0;
ambient_info.left = 0;
ambient_info.right = 0;
ambient_info.max = 0;
return;
}
kbd_bck_info.level = kbd_backlight_get();
if (kbd_bck_info.level < 0)
kbd_bck_info.level = 0;
kbd_bck_info.max = KBD_BACKLIGHT_MAX;
ambient_init(&kbd_bck_info.r_sens, &kbd_bck_info.l_sens);
kbd_auto_init();
}
void
kbd_backlight_step(int dir)
{
int val;
int newval;
if (kbd_bck_info.inhibit & ~KBD_INHIBIT_CFG)
return;
val = kbd_backlight_get();
if (val < 0)
return;
if (dir == STEP_UP)
{
newval = val + kbd_cfg.step;
if (newval > KBD_BACKLIGHT_MAX)
newval = KBD_BACKLIGHT_MAX;
logdebug("KBD stepping +%d -> %d\n", kbd_cfg.step, newval);
}
else if (dir == STEP_DOWN)
{
newval = val - kbd_cfg.step;
if (newval < KBD_BACKLIGHT_OFF)
newval = KBD_BACKLIGHT_OFF;
logdebug("KBD stepping -%d -> %d\n", kbd_cfg.step, newval);
}
else
return;
kbd_backlight_set(newval, KBD_USER);
}
static void
kbd_lmu_backlight_set(int val, int who)
{
int curval;
int i;
float fadeval;
float step;
struct timespec fade_step;
int fd;
int ret;
if (kbd_bck_info.inhibit & ~KBD_INHIBIT_CFG)
return;
if (lmu_info.lmuaddr == 0)
return;
curval = kbd_backlight_get();
if (val == curval)
return;
if ((val < KBD_BACKLIGHT_OFF) || (val > KBD_BACKLIGHT_MAX))
return;
fd = open(lmu_info.i2cdev, O_RDWR);
if (fd < 0)
{
logmsg(LOG_ERR, "Could not open %s: %s", lmu_info.i2cdev, strerror(errno));
return;
}
ret = ioctl(fd, I2C_SLAVE, lmu_info.lmuaddr);
if (ret < 0)
{
logmsg(LOG_ERR, "Could not ioctl the i2c bus: %s", strerror(errno));
close(fd);
return;
}
if (who == KBD_AUTO)
{
fade_step.tv_sec = 0;
fade_step.tv_nsec = (KBD_BACKLIGHT_FADE_LENGTH / KBD_BACKLIGHT_FADE_STEPS) * 1000000;
fadeval = (float)curval;
step = (float)(val - curval) / (float)KBD_BACKLIGHT_FADE_STEPS;
for (i = 0; i < KBD_BACKLIGHT_FADE_STEPS; i++)
{
fadeval += step;
lmu_write_kbd_value(fd, (unsigned char)fadeval);
logdebug("KBD backlight value faded to %d\n", (int)fadeval);
nanosleep(&fade_step, NULL);
}
}
lmu_write_kbd_value(fd, val);
close(fd);
kbd_bck_info.level = val;
}
static void
kbd_backlight_set(int val, int who)
{
int curval;
int i;
float fadeval;
float step;
struct timespec fade_step;
int fd;
FILE *fp;
if (kbd_bck_info.inhibit & ~KBD_INHIBIT_CFG)
return;
curval = kbd_backlight_get();
if (val == curval)
return;
if ((val < KBD_BACKLIGHT_OFF) || (val > KBD_BACKLIGHT_MAX))
return;
if (who == KBD_AUTO)
{
fade_step.tv_sec = 0;
fade_step.tv_nsec = (KBD_BACKLIGHT_FADE_LENGTH / KBD_BACKLIGHT_FADE_STEPS) * 1000000;
fadeval = (float)curval;
step = (float)(val - curval) / (float)KBD_BACKLIGHT_FADE_STEPS;
for (i = 0; i < KBD_BACKLIGHT_FADE_STEPS; i++)
{
fadeval += step;
fd = kbd_backlight_open(O_WRONLY);
if (fd < 0)
continue;
fp = fdopen(fd, "a");
if (fp == NULL)
{
logmsg(LOG_WARNING, "Could not fdopen backlight fd: %s", strerror(errno));
close(fd);
continue;
}
fprintf(fp, "%d", (int)fadeval);
fclose(fp);
logdebug("KBD backlight value faded to %d\n", (int)fadeval);
nanosleep(&fade_step, NULL);
}
}
fd = kbd_backlight_open(O_WRONLY);
if (fd < 0)
return;
fp = fdopen(fd, "a");
if (fp == NULL)
{
logmsg(LOG_WARNING, "Could not fdopen backlight fd %d: %s", fd, strerror(errno));
close(fd);
return;
}
fprintf(fp, "%d", val);
fclose(fp);
logdebug("KBD backlight value set to %d\n", val);
kbd_bck_info.level = val;
}
