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misc: apds990x: Use sysfs_match_string() helper

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Use sysfs_match_string() helper instead of open coded variant.

Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2017-06-11 17:52:20 +03:00 committed by Greg Kroah-Hartman
parent c845736dbc
commit cbbdc60829
1 changed files with 7 additions and 7 deletions
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14
drivers/misc/apds990x.c
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@ -841,7 +841,7 @@ static ssize_t apds990x_prox_enable_store(struct device *dev,
static DEVICE_ATTR(prox0_raw_en, S_IRUGO | S_IWUSR, apds990x_prox_enable_show, static DEVICE_ATTR(prox0_raw_en, S_IRUGO | S_IWUSR, apds990x_prox_enable_show,
apds990x_prox_enable_store); apds990x_prox_enable_store);
static const char reporting_modes[][9] = {"trigger", "periodic"}; static const char *reporting_modes[] = {"trigger", "periodic"};
static ssize_t apds990x_prox_reporting_mode_show(struct device *dev, static ssize_t apds990x_prox_reporting_mode_show(struct device *dev,
struct device_attribute *attr, char *buf) struct device_attribute *attr, char *buf)
@ -856,13 +856,13 @@ static ssize_t apds990x_prox_reporting_mode_store(struct device *dev,
const char *buf, size_t len) const char *buf, size_t len)
{ {
struct apds990x_chip *chip = dev_get_drvdata(dev); struct apds990x_chip *chip = dev_get_drvdata(dev);
int ret;
if (sysfs_streq(buf, reporting_modes[0])) ret = sysfs_match_string(reporting_modes, buf);
chip->prox_continuous_mode = 0; if (ret < 0)
else if (sysfs_streq(buf, reporting_modes[1])) return ret;
chip->prox_continuous_mode = 1;
else chip->prox_continuous_mode = ret;
return -EINVAL;
return len; return len;
} }