diff options
| -rw-r--r-- | drivers/power/supply/twl4030_charger.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/power/supply/twl4030_charger.c b/drivers/power/supply/twl4030_charger.c index 785a07bc4f39..07c70e59f31a 100644 --- a/drivers/power/supply/twl4030_charger.c +++ b/drivers/power/supply/twl4030_charger.c @@ -153,7 +153,7 @@ struct twl4030_bci { }; /* strings for 'usb_mode' values */ -static char *modes[] = { "off", "auto", "continuous" }; +static const char *modes[] = { "off", "auto", "continuous" }; /* * clear and set bits on an given register on a given module @@ -669,14 +669,10 @@ twl4030_bci_mode_store(struct device *dev, struct device_attribute *attr, int mode; int status; - if (sysfs_streq(buf, modes[0])) - mode = 0; - else if (sysfs_streq(buf, modes[1])) - mode = 1; - else if (sysfs_streq(buf, modes[2])) - mode = 2; - else - return -EINVAL; + mode = sysfs_match_string(modes, buf); + if (mode < 0) + return mode; + if (dev == &bci->ac->dev) { if (mode == 2) return -EINVAL; |