scottk/OpenCellular
1
0
Fork 0
mirror of https://github.com/Telecominfraproject/OpenCellular.git synced 2026-01-09 00:51:29 +00:00
Code Issues Packages Projects Releases Wiki Activity

Chell: support LED behavior

Browse Source 
Add firmware to support LED behavior for following OEM spec.

BUG=None
BRANCH=None
TEST=check led behavior follow the spec

Change-Id: Ib4250a47a153fbe7de0e1cd4a5869fd3efbcfd1d
Signed-off-by: Bruce.Wan <Bruce.Wan@quantatw.com>
Reviewed-on: https://chromium-review.googlesource.com/313898
Commit-Ready: Bruce Wan <Bruce.Wan@quantatw.com>
Tested-by: Bruce Wan <Bruce.Wan@quantatw.com>
Reviewed-by: Shawn N <shawnn@chromium.org>
This commit is contained in:
Bruce
2015-11-25 14:38:35 +08:00
committed by chrome-bot
parent 356c9c5104
commit 2a09bf95e5
1 changed files with 54 additions and 72 deletions
Download Patch File Download Diff File Expand all files Collapse all files

126
board/chell/led.c
View File

@@ -18,14 +18,6 @@
#define BAT_LED_ON 1
#define BAT_LED_OFF 0
#define CRITICAL_LOW_BATTERY_PERCENTAGE 3
#define LOW_BATTERY_PERCENTAGE 10
#define LED_TOTAL_4SECS_TICKS 16
#define LED_TOTAL_2SECS_TICKS 8
#define LED_ON_1SEC_TICKS 4
#define LED_ON_2SECS_TICKS 8
const enum ec_led_id supported_led_ids[] = {
EC_LED_ID_BATTERY_LED};
@@ -33,9 +25,8 @@ const int supported_led_ids_count = ARRAY_SIZE(supported_led_ids);
enum led_color {
LED_OFF = 0,
LED_RED,
LED_AMBER,
LED_GREEN,
LED_WHITE,
LED_COLOR_COUNT /* Number of colors, not a color itself */
};
@@ -46,15 +37,11 @@ static int bat_led_set_color(enum led_color color)
gpio_set_level(GPIO_BAT_LED_RED, BAT_LED_OFF);
gpio_set_level(GPIO_BAT_LED_GREEN, BAT_LED_OFF);
break;
case LED_RED:
case LED_AMBER:
gpio_set_level(GPIO_BAT_LED_RED, BAT_LED_ON);
gpio_set_level(GPIO_BAT_LED_GREEN, BAT_LED_OFF);
break;
case LED_AMBER:
gpio_set_level(GPIO_BAT_LED_RED, BAT_LED_ON);
gpio_set_level(GPIO_BAT_LED_GREEN, BAT_LED_ON);
break;
case LED_GREEN:
case LED_WHITE:
gpio_set_level(GPIO_BAT_LED_RED, BAT_LED_OFF);
gpio_set_level(GPIO_BAT_LED_GREEN, BAT_LED_ON);
break;
@@ -70,37 +57,20 @@ void led_get_brightness_range(enum ec_led_id led_id, uint8_t *brightness_range)
brightness_range[EC_LED_COLOR_GREEN] = 1;
}
static int board_led_set_color_battery(enum led_color color)
{
return bat_led_set_color(color);
}
static int board_led_set_color(enum ec_led_id led_id, enum led_color color)
{
int rv;
led_auto_control(led_id, 0);
switch (led_id) {
case EC_LED_ID_BATTERY_LED:
rv = board_led_set_color_battery(color);
break;
default:
return EC_ERROR_UNKNOWN;
}
return rv;
}
int led_set_brightness(enum ec_led_id led_id, const uint8_t *brightness)
{
if (brightness[EC_LED_COLOR_RED] != 0 &&
brightness[EC_LED_COLOR_GREEN] != 0)
board_led_set_color(led_id, LED_AMBER);
else if (brightness[EC_LED_COLOR_RED] != 0)
board_led_set_color(led_id, LED_RED);
else if (brightness[EC_LED_COLOR_GREEN] != 0)
board_led_set_color(led_id, LED_GREEN);
else
board_led_set_color(led_id, LED_OFF);
switch (led_id) {
case EC_LED_ID_BATTERY_LED:
if (brightness[EC_LED_COLOR_WHITE] != 0)
bat_led_set_color(LED_WHITE);
else if (brightness[EC_LED_COLOR_YELLOW] != 0)
bat_led_set_color(LED_AMBER);
else
bat_led_set_color(LED_OFF);
break;
default:
break;
}
return EC_SUCCESS;
}
@@ -109,46 +79,58 @@ static void board_led_set_battery(void)
{
static int battery_ticks;
uint32_t chflags = charge_get_flags();
static int power_ticks;
static int previous_state_suspend;
battery_ticks++;
power_ticks++;
if (chipset_in_state(CHIPSET_STATE_SUSPEND)) {
/*
* Reset ticks if entering suspend so LED turns white
* as soon as possible.
*/
if (!previous_state_suspend)
power_ticks = 0;
/* Blink once every one second. */
bat_led_set_color((power_ticks & 0x4) ? LED_WHITE : LED_OFF);
previous_state_suspend = 1;
return;
}
previous_state_suspend = 0;
/* BAT LED behavior:
* Same as the chromeos spec
* Green/Amber for CHARGE_FLAG_FORCE_IDLE
*/
switch (charge_get_state()) {
case PWR_STATE_CHARGE:
board_led_set_color_battery(LED_AMBER);
bat_led_set_color(LED_AMBER);
break;
case PWR_STATE_DISCHARGE:
/* Less than 3%, blink one second every two second */
if (charge_get_percent() < CRITICAL_LOW_BATTERY_PERCENTAGE)
board_led_set_color_battery(
(battery_ticks % LED_TOTAL_2SECS_TICKS <
LED_ON_1SEC_TICKS) ? LED_AMBER : LED_OFF);
/* Less than 10%, blink one second every four seconds */
else if (charge_get_percent() < LOW_BATTERY_PERCENTAGE)
board_led_set_color_battery(
(battery_ticks % LED_TOTAL_4SECS_TICKS <
LED_ON_1SEC_TICKS) ? LED_AMBER : LED_OFF);
/*
* See crosbug.com/p/22159. There's a 3% difference
* between the battery level seen by the kernel and what's
* really going on, so if they want to see 12%, we use 15%.
* Hard code this number here, because this only affects the
* LED color, not the battery charge state.
*/
if (charge_get_percent() < 15)
bat_led_set_color(
(battery_ticks & 0x4) ? LED_WHITE : LED_OFF);
else
board_led_set_color_battery(LED_OFF);
bat_led_set_color(LED_OFF);
break;
case PWR_STATE_ERROR:
board_led_set_color_battery(
(battery_ticks % LED_TOTAL_2SECS_TICKS <
LED_ON_1SEC_TICKS) ? LED_RED : LED_OFF);
bat_led_set_color((battery_ticks & 0x2) ? LED_WHITE : LED_OFF);
break;
case PWR_STATE_CHARGE_NEAR_FULL:
board_led_set_color_battery(LED_GREEN);
bat_led_set_color(LED_WHITE);
break;
case PWR_STATE_IDLE: /* External power connected in IDLE */
if (chflags & CHARGE_FLAG_FORCE_IDLE)
board_led_set_color_battery(
(battery_ticks % LED_TOTAL_4SECS_TICKS <
LED_ON_2SECS_TICKS) ? LED_GREEN : LED_AMBER);
bat_led_set_color(
(battery_ticks & 0x4) ? LED_AMBER : LED_OFF);
else
board_led_set_color_battery(LED_GREEN);
bat_led_set_color(LED_WHITE);
break;
default:
/* Other states don't alter LED behavior */
@@ -156,10 +138,10 @@ static void board_led_set_battery(void)
}
}
/** * Called by hook task every 1 sec */
static void led_second(void)
/* Called by hook task every TICK */
static void led_tick(void)
{
if (led_auto_control_is_enabled(EC_LED_ID_BATTERY_LED))
board_led_set_battery();
}
DECLARE_HOOK(HOOK_SECOND, led_second, HOOK_PRIO_DEFAULT);
DECLARE_HOOK(HOOK_TICK, led_tick, HOOK_PRIO_DEFAULT);