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sanders: liblight: Fix blinking support, and cleanup code

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Signed-off-by: ronaxdevil <pratabidya.007@gmail.com>
This commit is contained in:
jhenrique09
2017-11-18 11:33:50 -02:00
committed by ronaxdevil
parent f861380c7f
commit 7f0af2eccf
1 changed files with 31 additions and 34 deletions
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63
liblight/lights.c
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@@ -33,15 +33,14 @@
/******************************************************************************/ /******************************************************************************/
#define LED_LIGHT_OFF 0 #define LED_LIGHT_OFF 0
#define LED_LIGHT_ON 10 #define LED_LIGHT_BLINK_FAST 1
#define LED_LIGHT_BLINK_SLOW 2
#define LED_LIGHT_SOLID_ON 3
static pthread_once_t g_init = PTHREAD_ONCE_INIT; static pthread_once_t g_init = PTHREAD_ONCE_INIT;
static pthread_mutex_t g_lock = PTHREAD_MUTEX_INITIALIZER; static pthread_mutex_t g_lock = PTHREAD_MUTEX_INITIALIZER;
static struct light_state_t g_battery; char const*const LED_FILE
static struct light_state_t g_notification;
char const*const CHARGING_LED_FILE
= "/sys/class/leds/charging/brightness"; = "/sys/class/leds/charging/brightness";
char const*const LCD_FILE char const*const LCD_FILE
@@ -105,38 +104,25 @@ set_light_backlight(struct light_device_t* dev,
return err; return err;
} }
static int
set_speaker_light_locked(struct light_device_t* dev,
struct light_state_t const* state)
{
int brightness_level;
if (is_lit(state))
brightness_level = LED_LIGHT_ON;
else
brightness_level = LED_LIGHT_OFF;
return write_int(CHARGING_LED_FILE, brightness_level);
}
static void
handle_speaker_battery_locked(struct light_device_t* dev)
{
if (is_lit(&g_notification)) {
set_speaker_light_locked(dev, &g_notification);
} else {
set_speaker_light_locked(dev, &g_battery);
}
}
static int static int
set_light_battery(struct light_device_t* dev, set_light_battery(struct light_device_t* dev,
struct light_state_t const* state) struct light_state_t const* state)
{ {
int brightness_level;
int err = 0; int err = 0;
if (!dev)
return -1;
pthread_mutex_lock(&g_lock); pthread_mutex_lock(&g_lock);
g_battery = *state;
handle_speaker_battery_locked(dev); if (is_lit(state))
brightness_level = LED_LIGHT_SOLID_ON;
else
brightness_level = LED_LIGHT_OFF;
err = write_int(LED_FILE, brightness_level);
pthread_mutex_unlock(&g_lock); pthread_mutex_unlock(&g_lock);
return err; return err;
} }
@@ -145,10 +131,21 @@ static int
set_light_notifications(struct light_device_t* dev, set_light_notifications(struct light_device_t* dev,
struct light_state_t const* state) struct light_state_t const* state)
{ {
int brightness_level;
int err = 0; int err = 0;
if (!dev)
return -1;
pthread_mutex_lock(&g_lock); pthread_mutex_lock(&g_lock);
g_notification = *state;
handle_speaker_battery_locked(dev); if (is_lit(state))
brightness_level = LED_LIGHT_BLINK_FAST;
else
brightness_level = LED_LIGHT_OFF;
err = write_int(LED_FILE, brightness_level);
pthread_mutex_unlock(&g_lock); pthread_mutex_unlock(&g_lock);
return err; return err;
} }