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twl4030_charger: fix compile error when TWL4030_MADC not available.

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We can only use the madc to check for 'ac' availability if the madc has
been compiled in.  If not: assume always using USB.

Reported-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: NeilBrown <neil@brown.name>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This commit is contained in:
NeilBrown 2015-08-07 13:45:25 +10:00 committed by Sebastian Reichel
parent c9f85a90d4
commit b49d15d138
1 changed files with 16 additions and 1 deletions
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17
drivers/power/twl4030_charger.c
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@ -91,6 +91,21 @@
#define TWL4030_MSTATEC_COMPLETE1 0x0b
#define TWL4030_MSTATEC_COMPLETE4 0x0e
#if IS_ENABLED(CONFIG_TWL4030_MADC)
/*
* If AC (Accessory Charger) voltage exceeds 4.5V (MADC 11)
* then AC is available.
*/
static inline int ac_available(void)
{
return twl4030_get_madc_conversion(11) > 4500;
}
#else
static inline int ac_available(void)
{
return 0;
}
#endif
static bool allow_usb;
module_param(allow_usb, bool, 0644);
MODULE_PARM_DESC(allow_usb, "Allow USB charge drawing default current");
@ -263,7 +278,7 @@ static int twl4030_charger_update_current(struct twl4030_bci *bci)
* If AC (Accessory Charger) voltage exceeds 4.5V (MADC 11)
* and AC is enabled, set current for 'ac'
*/
if (twl4030_get_madc_conversion(11) > 4500) {
if (ac_available()) {
cur = bci->ac_cur;
bci->ac_is_active = true;
} else {