da9052-battery: Fix da9052_determine_vc_tbl_index's return value
The patch fixes the following warnings:
CHECK drivers/power/da9052-battery.c
drivers/power/da9052-battery.c:330:15: warning: symbol 'da9052_determine_vc_tbl_index' was not declared. Should it be static?
CC drivers/power/da9052-battery.o
drivers/power/da9052-battery.c: In function 'da9052_determine_vc_tbl_index':
drivers/power/da9052-battery.c:348:1: warning: control reaches end of non-void function [-Wreturn-type]
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
diff --git a/drivers/power/da9052-battery.c b/drivers/power/da9052-battery.c
index a5f6a0e..20b86ed 100644
--- a/drivers/power/da9052-battery.c
+++ b/drivers/power/da9052-battery.c
@@ -327,7 +327,7 @@
return tmp;
}
-unsigned char da9052_determine_vc_tbl_index(unsigned char adc_temp)
+static unsigned char da9052_determine_vc_tbl_index(unsigned char adc_temp)
{
int i;
@@ -345,6 +345,13 @@
&& (adc_temp <= vc_tbl_ref[i]))
return i + 1;
}
+ /*
+ * For some reason authors of the driver didn't presume that we can
+ * end up here. It might be OK, but might be not, no one knows for
+ * sure. Go check your battery, is it on fire?
+ */
+ WARN_ON(1);
+ return 0;
}
static int da9052_bat_read_capacity(struct da9052_battery *bat, int *capacity)