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n810bm: Set minimum voltage threshold to 3200
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25433 3c298f89-4303-0410-b956-a3cf2f4a3e73
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@ -41,8 +41,8 @@ Index: linux-2.6.37/drivers/cbus/Makefile
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Index: linux-2.6.37/drivers/cbus/n810bm_main.c
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===================================================================
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--- /dev/null 1970-01-01 00:00:00.000000000 +0000
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+++ linux-2.6.37/drivers/cbus/n810bm_main.c 2011-02-09 13:47:23.831144291 +0100
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@@ -0,0 +1,1169 @@
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+++ linux-2.6.37/drivers/cbus/n810bm_main.c 2011-02-09 19:05:18.435536304 +0100
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@@ -0,0 +1,1168 @@
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+/*
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+ * Nokia n810 battery management
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+ *
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@ -86,7 +86,7 @@ Index: linux-2.6.37/drivers/cbus/n810bm_main.c
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+#define N810BM_PMM_BLOCK_SIZE 0x600
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+
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+#define N810BM_CHECK_INTERVAL (HZ * 2)
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+#define N810BM_MIN_VOLTAGE_THRES 3300 /* Absolute minimum voltage threshold */
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+#define N810BM_MIN_VOLTAGE_THRES 3200 /* Absolute minimum voltage threshold */
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+
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+
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+/* RETU_ADC_BSI
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@ -612,7 +612,6 @@ Index: linux-2.6.37/drivers/cbus/n810bm_main.c
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+ struct n810bm, periodic_check_work);
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+ u16 status;
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+ bool battery_was_present, charger_was_present;
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+ bool force_charge = 0;
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+ int mv;
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+
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+ mutex_lock(&bm->mutex);
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@ -646,23 +645,23 @@ Index: linux-2.6.37/drivers/cbus/n810bm_main.c
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+ bm->charger_present ? "plugged in" : "removed");
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+ }
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+
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+ if (bm->battery_present && !lipocharge_is_charging(&bm->charger)) {
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+ if ((bm->battery_present && !bm->charger_present) ||
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+ !n810bm_known_battery_present(bm)){
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+ /* We're draining the battery */
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+ mv = n810bm_measure_batt_voltage(bm);
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+ if (mv < 0)
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+ n810bm_emergency(bm, "check timer: Failed to measure");
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+ if (!bm->charger_present) {
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+ if (mv < N810BM_MIN_VOLTAGE_THRES) {
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+ n810bm_emergency(bm, "check timer: "
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+ "Minimum voltage threshold reached");
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+ }
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+ force_charge = 1;
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+ if (mv < 0) {
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+ n810bm_emergency(bm,
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+ "check: Failed to measure voltage");
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+ }
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+ if (mv < N810BM_MIN_VOLTAGE_THRES) {
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+ n810bm_emergency(bm,
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+ "check: Minimum voltage threshold reached");
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+ }
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+ }
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+
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+ if (bm->charger_present && n810bm_known_battery_present(bm)) {
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+ /* Known battery and charger are connected */
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+ if (bm->charger_enabled || force_charge) {
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+ if (bm->charger_enabled) {
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+ /* Charger is enabled */
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+ if (!lipocharge_is_charging(&bm->charger)) {
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+ //TODO start charging, if battery is below some threshold
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