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ab8500_btemp: Ignore false btemp low interrupt 

Ignore the low btemp interrupts for ab8500 3.0 and 3.3

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Hakan Berg <hakan.berg@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Tested-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
This commit is contained in:
Hakan Berg 2013-01-11 13:12:57 +00:00 committed by Anton Vorontsov
parent 5b41aa9f2b
commit d36e3e6d50
2 changed files with 9 additions and 4 deletions
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8
drivers/power/ab8500_btemp.c
View File

@ -622,9 +622,9 @@ static irqreturn_t ab8500_btemp_templow_handler(int irq, void *_di)
{
struct ab8500_btemp *di = _di;
if (is_ab8500_2p0_or_earlier(di->parent)) {
if (is_ab8500_3p3_or_earlier(di->parent)) {
dev_dbg(di->dev, "Ignore false btemp low irq"
" for ABB cut 1.0, 1.1 and 2.0\n");
" for ABB cut 1.0, 1.1, 2.0 and 3.3\n");
} else {
dev_crit(di->dev, "Battery temperature lower than -10deg c\n");
@ -738,10 +738,10 @@ static int ab8500_btemp_get_temp(struct ab8500_btemp *di)
int temp = 0;
/*
* The BTEMP events are not reliabe on AB8500 cut2.0
* The BTEMP events are not reliabe on AB8500 cut3.3
* and prior versions
*/
if (is_ab8500_2p0_or_earlier(di->parent)) {
if (is_ab8500_3p3_or_earlier(di->parent)) {
temp = di->bat_temp * 10;
} else {
if (di->events.btemp_low) {

5
include/linux/mfd/abx500/ab8500.h
View File

@ -335,6 +335,11 @@ static inline int is_ab8500_2p0_or_earlier(struct ab8500 *ab)
return (is_ab8500(ab) && (ab->chip_id <= AB8500_CUT2P0));
}
static inline int is_ab8500_3p3_or_earlier(struct ab8500 *ab)
{
return (is_ab8500(ab) && (ab->chip_id <= AB8500_CUT3P3));
}
/* exclude also ab8505, ab9540... */
static inline int is_ab8500_2p0(struct ab8500 *ab)
{