diff options
author | Felix Fietkau <nbd@openwrt.org> | 2009-03-14 15:52:42 +0000 |
---|---|---|
committer | Felix Fietkau <nbd@openwrt.org> | 2009-03-14 15:52:42 +0000 |
commit | 16defbb2bd9478f9e5384b9722f20a694e6bae41 (patch) | |
tree | f52e202c30c7fca103b196ece1223e18446e4dfc /target/linux/s3c24xx/patches-2.6.26/1219-fix-bq27000-charger-state-tracking.patch.patch | |
parent | b4644aedce6526b5d07b336187c8e6417c7dd75e (diff) | |
download | upstream-16defbb2bd9478f9e5384b9722f20a694e6bae41.tar.gz upstream-16defbb2bd9478f9e5384b9722f20a694e6bae41.tar.bz2 upstream-16defbb2bd9478f9e5384b9722f20a694e6bae41.zip |
nuke obsolete kernel stuff
SVN-Revision: 14875
Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.26/1219-fix-bq27000-charger-state-tracking.patch.patch')
-rwxr-xr-x | target/linux/s3c24xx/patches-2.6.26/1219-fix-bq27000-charger-state-tracking.patch.patch | 283 |
1 files changed, 0 insertions, 283 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.26/1219-fix-bq27000-charger-state-tracking.patch.patch b/target/linux/s3c24xx/patches-2.6.26/1219-fix-bq27000-charger-state-tracking.patch.patch deleted file mode 100755 index 37458c24ce..0000000000 --- a/target/linux/s3c24xx/patches-2.6.26/1219-fix-bq27000-charger-state-tracking.patch.patch +++ /dev/null @@ -1,283 +0,0 @@ -From 40023f1501f3cd5ec55739b3142e9e45a67bb735 Mon Sep 17 00:00:00 2001 -From: Andy Green <andy@openmoko.com> -Date: Fri, 25 Jul 2008 23:06:20 +0100 -Subject: [PATCH] fix-bq27000-charger-state-tracking.patch - -Charger trigger stuff goes and asks for POWER_SUPPLY_PROP_STATUS -to figure out what the charger state is. But until now, we only -reported there what we found out from HDQ, and the HDQ registers -are not updated very often in the coulomb counter, it can be 4 -or more second lag before it tells us about what it experiences. - -When we react to USB insertion and only after 500ms debounce tell -power_supply stuff that something changed, it most times will -see old pre-USB-insertion state from bq27000 over HDQ at that time -and will report it ain't charging, buggering up the LED trigger -tracking. - -This patch maintains distance between bq27000 and pcf50633 by -having platform callbacks in bq27000 that it can use to ask about -definitive charger "online" presence and "activity", whether the -charger says it is charging. If these callbacks are implemented -(and we implement them in this patch up in mach_gta02.c) then -this information is used in preference to what is found from -HDQ. - -Result is if you set the LED trigger like this: - -echo bat-charging > /sys/devices/platform/gta02-led.0/leds/gta02-aux:red/trigger - -then it lights up properly on USB insertion now, goes away on -removal properly, as as far as I saw, when charging stops too. - -Signed-off-by: Andy Green <andy@openmoko.com> ---- - arch/arm/mach-s3c2440/mach-gta02.c | 32 ++++++++++++++--- - drivers/power/bq27000_battery.c | 66 ++++++++++++++++++++++++----------- - include/linux/bq27000_battery.h | 2 + - 3 files changed, 73 insertions(+), 27 deletions(-) - -diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c -index f30abb6..1fcd3fd 100644 ---- a/arch/arm/mach-s3c2440/mach-gta02.c -+++ b/arch/arm/mach-s3c2440/mach-gta02.c -@@ -96,6 +96,9 @@ struct resume_dependency resume_dep_jbt_glamo; - struct resume_dependency resume_dep_glamo_mci_pcf; - - -+static int gta02_charger_online_status; -+static int gta02_charger_active_status; -+ - /* define FIQ IPC struct */ - /* - * contains stuff FIQ ISR modifies and normal kernel code can see and use -@@ -457,12 +460,25 @@ static struct s3c2410_uartcfg gta02_uartcfgs[] = { - - /* BQ27000 Battery */ - -+static int gta02_get_charger_online_status(void) -+{ -+ return gta02_charger_online_status; -+} -+ -+static int gta02_get_charger_active_status(void) -+{ -+ return gta02_charger_active_status; -+} -+ -+ - struct bq27000_platform_data bq27000_pdata = { - .name = "bat", - .rsense_mohms = 20, - .hdq_read = gta02hdq_read, - .hdq_write = gta02hdq_write, - .hdq_initialized = gta02hdq_initialized, -+ .get_charger_online_status = gta02_get_charger_online_status, -+ .get_charger_active_status = gta02_get_charger_active_status - }; - - struct platform_device bq27000_battery_device = { -@@ -481,16 +497,20 @@ static int pmu_callback(struct device *dev, unsigned int feature, - switch (feature) { - case PCF50633_FEAT_MBC: - switch (event) { -- case PMU_EVT_INSERT: -+ case PMU_EVT_CHARGER_IDLE: -+ gta02_charger_active_status = 0; -+ break; -+ case PMU_EVT_CHARGER_ACTIVE: -+ gta02_charger_active_status = 1; -+ break; - case PMU_EVT_USB_INSERT: -- pcf50633_charge_enable(pcf50633_global, 1); -+ gta02_charger_online_status = 1; - break; -- case PMU_EVT_REMOVE: - case PMU_EVT_USB_REMOVE: -- pcf50633_charge_enable(pcf50633_global, 0); -+ gta02_charger_online_status = 0; - break; -- case PMU_EVT_CHARGER_IDLE: -- case PMU_EVT_CHARGER_ACTIVE: -+ case PMU_EVT_INSERT: /* adapter is unsused */ -+ case PMU_EVT_REMOVE: /* adapter is unused */ - break; - default: - break; -diff --git a/drivers/power/bq27000_battery.c b/drivers/power/bq27000_battery.c -index 5598568..7020608 100644 ---- a/drivers/power/bq27000_battery.c -+++ b/drivers/power/bq27000_battery.c -@@ -113,12 +113,7 @@ enum bq27000_status_flags { - struct bq27000_device_info { - struct device *dev; - struct power_supply bat; -- -- int rsense_mohms; /* from platform */ -- -- int (*hdq_initialized)(void); /* from platform */ -- int (*hdq_read)(int); /* from platform */ -- int (*hdq_write)(int, u8); /* from platform */ -+ struct bq27000_platform_data *pdata; - }; - - /* -@@ -136,16 +131,16 @@ static int hdq_read16(struct bq27000_device_info *di, int address) - - while (retries--) { - -- high = (di->hdq_read)(address + 1); /* high part */ -+ high = (di->pdata->hdq_read)(address + 1); /* high part */ - - if (high < 0) - return high; -- acc = (di->hdq_read)(address); -+ acc = (di->pdata->hdq_read)(address); - if (acc < 0) - return acc; - - /* confirm high didn't change between reading it and low */ -- if (high == (di->hdq_read)(address + 1)) -+ if (high == (di->pdata->hdq_read)(address + 1)) - return (high << 8) | acc; - } - -@@ -170,12 +165,36 @@ static int bq27000_battery_get_property(struct power_supply *psy, - int v, n; - struct bq27000_device_info *di = to_bq27000_device_info(psy); - -- if (!(di->hdq_initialized)()) -+ if (!(di->pdata->hdq_initialized)()) - return -EINVAL; - - switch (psp) { - case POWER_SUPPLY_PROP_STATUS: - val->intval = POWER_SUPPLY_STATUS_UNKNOWN; -+ -+ if (!di->pdata->get_charger_online_status) -+ goto use_bat; -+ if ((di->pdata->get_charger_online_status)()) { -+ /* -+ * charger is definitively present -+ * we report our state in terms of what it says it -+ * is doing -+ */ -+ if (!di->pdata->get_charger_active_status) -+ goto use_bat; -+ if ((di->pdata->get_charger_active_status)()) -+ val->intval = POWER_SUPPLY_STATUS_CHARGING; -+ else -+ val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING; -+ break; -+ } -+use_bat: -+ /* -+ * either the charger is not connected, or the -+ * platform doesn't give info about charger, use battery state -+ * but... battery state can be out of date by 4 seconds or -+ * so... use the platform callbacks if possible. -+ */ - v = hdq_read16(di, BQ27000_AI_L); - if (v < 0) - return v; -@@ -189,7 +208,7 @@ static int bq27000_battery_get_property(struct power_supply *psy, - break; - } - /* power is actually going in or out... */ -- v = (di->hdq_read)(BQ27000_FLAGS); -+ v = (di->pdata->hdq_read)(BQ27000_FLAGS); - if (v < 0) - return v; - if (v & BQ27000_STATUS_CHGS) -@@ -205,7 +224,7 @@ static int bq27000_battery_get_property(struct power_supply *psy, - val->intval = v * 1000; - break; - case POWER_SUPPLY_PROP_CURRENT_NOW: -- v = (di->hdq_read)(BQ27000_FLAGS); -+ v = (di->pdata->hdq_read)(BQ27000_FLAGS); - if (v < 0) - return v; - if (v & BQ27000_STATUS_CHGS) -@@ -215,13 +234,13 @@ static int bq27000_battery_get_property(struct power_supply *psy, - v = hdq_read16(di, BQ27000_AI_L); - if (v < 0) - return v; -- val->intval = (v * n) / di->rsense_mohms; -+ val->intval = (v * n) / di->pdata->rsense_mohms; - break; - case POWER_SUPPLY_PROP_CHARGE_FULL: - v = hdq_read16(di, BQ27000_LMD_L); - if (v < 0) - return v; -- val->intval = (v * 3570) / di->rsense_mohms; -+ val->intval = (v * 3570) / di->pdata->rsense_mohms; - break; - case POWER_SUPPLY_PROP_TEMP: - v = hdq_read16(di, BQ27000_TEMP_L); -@@ -235,12 +254,12 @@ static int bq27000_battery_get_property(struct power_supply *psy, - val->intval = POWER_SUPPLY_TECHNOLOGY_LION; - break; - case POWER_SUPPLY_PROP_CAPACITY: -- val->intval = (di->hdq_read)(BQ27000_RSOC); -+ val->intval = (di->pdata->hdq_read)(BQ27000_RSOC); - if (val->intval < 0) - return val->intval; - break; - case POWER_SUPPLY_PROP_PRESENT: -- v = (di->hdq_read)(BQ27000_RSOC); -+ v = (di->pdata->hdq_read)(BQ27000_RSOC); - val->intval = !(v < 0); - break; - case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW: -@@ -255,6 +274,12 @@ static int bq27000_battery_get_property(struct power_supply *psy, - return v; - val->intval = 60 * v; - break; -+ case POWER_SUPPLY_PROP_ONLINE: -+ if (di->pdata->get_charger_online_status) -+ val->intval = (di->pdata->get_charger_online_status)(); -+ else -+ return -EINVAL; -+ break; - default: - return -EINVAL; - } -@@ -272,7 +297,8 @@ static enum power_supply_property bq27000_battery_props[] = { - POWER_SUPPLY_PROP_PRESENT, - POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW, - POWER_SUPPLY_PROP_TIME_TO_FULL_NOW, -- POWER_SUPPLY_PROP_CAPACITY -+ POWER_SUPPLY_PROP_CAPACITY, -+ POWER_SUPPLY_PROP_ONLINE - }; - - static int bq27000_battery_probe(struct platform_device *pdev) -@@ -301,10 +327,8 @@ static int bq27000_battery_probe(struct platform_device *pdev) - di->bat.get_property = bq27000_battery_get_property; - di->bat.external_power_changed = - bq27000_battery_external_power_changed; -- di->hdq_read = pdata->hdq_read; -- di->hdq_write = pdata->hdq_write; -- di->rsense_mohms = pdata->rsense_mohms; -- di->hdq_initialized = pdata->hdq_initialized; -+ di->bat.use_for_apm = 1; -+ di->pdata = pdata; - - retval = power_supply_register(&pdev->dev, &di->bat); - if (retval) { -diff --git a/include/linux/bq27000_battery.h b/include/linux/bq27000_battery.h -index fed4287..a617466 100644 ---- a/include/linux/bq27000_battery.h -+++ b/include/linux/bq27000_battery.h -@@ -9,6 +9,8 @@ struct bq27000_platform_data { - int (*hdq_read)(int); - int (*hdq_write)(int, u8); - int (*hdq_initialized)(void); -+ int (*get_charger_online_status)(void); -+ int (*get_charger_active_status)(void); - }; - - #endif --- -1.5.6.3 - |