[PATCH] power: supply: cpcap-charger: Make cpcap_charger_voltage_to_regval static

[zhong jiang]

The GCC complains the following case when compiling kernel.

drivers/power/supply/cpcap-charger.c:563:5: warning: symbol 'cpcap_charger_voltage_to_regval' was not declared. Should it be static?

Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx>
---
 drivers/power/supply/cpcap-charger.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/power/supply/cpcap-charger.c b/drivers/power/supply/cpcap-charger.c
index 40d96b8..c0d452e 100644
--- a/drivers/power/supply/cpcap-charger.c
+++ b/drivers/power/supply/cpcap-charger.c
@@ -560,7 +560,7 @@ static void cpcap_charger_update_state(struct cpcap_charger_ddata *ddata,
 	dev_dbg(ddata->dev, "state: %s\n", status);
 }
 
-int cpcap_charger_voltage_to_regval(int voltage)
+static int cpcap_charger_voltage_to_regval(int voltage)
 {
 	int offset;
 
-- 
1.7.12.4