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authorJoy Cho <joy.cho@hardkernel.com>2021-01-06 05:57:10 +0300
committerJoy Cho <joy.cho@hardkernel.com>2021-01-08 03:07:17 +0300
commit4038ab6d6840e56177405c14129a1f19d21e7f10 (patch)
tree457dfa66000155fb09a7e4cbd23113070ba0daa5
parentc75d9e995e93955ec4bd806067bbfe7c8ef69a1d (diff)
downloadu-boot-4038ab6d6840e56177405c14129a1f19d21e7f10.tar.xz
ODROID-GOA: charge: Add user indication in case of extreme low voltage
Change-Id: Ibc50d956d7dcbb1b0f27213b7aeab39f41b9841a
-rw-r--r--drivers/power/charge_animation.c44
1 files changed, 37 insertions, 7 deletions
diff --git a/drivers/power/charge_animation.c b/drivers/power/charge_animation.c
index 662a8f751e..5ed7bd8e34 100644
--- a/drivers/power/charge_animation.c
+++ b/drivers/power/charge_animation.c
@@ -119,9 +119,14 @@ static int charge_animation_ofdata_to_platdata(struct udevice *dev)
pdata->low_power_voltage =
dev_read_u32_default(dev, "rockchip,uboot-low-power-voltage", 0);
-
+#if defined(CONFIG_PLATFORM_ODROID_GOADV)
+ /* show charge animation if battery voltage is over low-power-voltage */
+ pdata->screen_on_voltage =
+ dev_read_u32_default(dev, "rockchip,uboot-low-power-voltage", 0);
+#else
pdata->screen_on_voltage =
dev_read_u32_default(dev, "rockchip,screen-on-voltage", 0);
+#endif
pdata->system_suspend =
dev_read_u32_default(dev, "rockchip,system-suspend", 0);
@@ -329,7 +334,9 @@ static void charge_show_bmp(int idx, struct udevice *fg)
ret = run_command(cmd, 0);
if (ret != CMD_RET_SUCCESS)
bmp_dev = 0xff;
- } else {
+ }
+
+ if (bmp_dev == 0xff) {
ulong n, cnt, blk;
blk = env_get_hex(image_sf[idx], 0);
cnt = env_get_hex("sz_logo", 0);
@@ -435,6 +442,8 @@ static int charge_extrem_low_power(struct udevice *dev)
int voltage, soc, charging = 1;
static int timer_initialized;
int ret;
+ bool screen_on = true; /* screen is activated from lcd_init */
+ ulong disp_start = 0;
voltage = fuel_gauge_get_voltage(fg);
if (voltage < 0)
@@ -476,6 +485,21 @@ static int charge_extrem_low_power(struct udevice *dev)
if (ret)
printf("update led failed: %d\n", ret);
+ if (!disp_start) {
+ disp_start = get_timer(0);
+
+ /* display low voltage status */
+ charge_show_bmp(4, fg); /* battery fail */
+
+ lcd_printf(0, 15 + disp_offs, 1, "Extreme Low Battery, please wait until changed to 5%");
+ lcd_printf(0, 16 + disp_offs, 1, " LCD will be off soon.");
+ }
+
+ if ((get_timer(disp_start) > 5000) && screen_on) {
+ lcd_onoff(false);
+ screen_on = false; /* never turn on again here */
+ }
+
printf("Extrem low power, force charging... threshold=%dmv, now=%dmv\n",
pdata->low_power_voltage, voltage);
@@ -493,8 +517,14 @@ static int charge_extrem_low_power(struct udevice *dev)
printf("Extrem low charge: exit by ctrl+c\n");
break;
}
+
+ mdelay(500);
+
}
+ if (!screen_on)
+ lcd_onoff(true);
+
autowakeup_timer_uninit();
return 0;
@@ -538,6 +568,11 @@ static int charge_animation_show(struct udevice *dev)
return 0;
}
+#if defined(CONFIG_PLATFORM_ODROID_GOADV)
+ /* lcd initialization */
+ lcd_init();
+#endif
+
/* Extrem low power charge */
ret = charge_extrem_low_power(dev);
if (ret < 0) {
@@ -587,11 +622,6 @@ static int charge_animation_show(struct udevice *dev)
return -EINVAL;
}
-#if defined(CONFIG_PLATFORM_ODROID_GOADV)
- /* lcd initialization */
- lcd_init();
-#endif
-
/* If low power, turn off screen */
if (voltage <= pdata->screen_on_voltage + 50) {
screen_on = false;