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authorDmitry Rozhkov <dmitry.rozhkov@linux.intel.com>2018-07-24 14:27:34 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2018-07-25 13:41:52 +0200
commit2754435d4c820875412785da9bfa017a74fe51a7 (patch)
treee4c651556606981d1a213cac27f0aad7ed63de53 /drivers/acpi
parentdd1fca9e6cd4c5c179f4e854ceddbc22890109ce (diff)
downloadlinux-2754435d4c820875412785da9bfa017a74fe51a7.tar.bz2
ACPI / battery: get rid of negations in conditions
Simple conditions without negations inflict less cognitive load on readers. Rework conditional branches not to use negations. Also add braces around single statement branches where their counterpart else-branches consist of more than one statement as suggested in the paragraph 3 of the coding style. Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Dmitry Rozhkov <dmitry.rozhkov@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/battery.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 6d302bb2f51b..cb664e87cde8 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -1020,7 +1020,7 @@ static int acpi_battery_info_proc_show(struct seq_file *seq, void *offset)
acpi_battery_units(battery));
seq_printf(seq, "battery technology: %srechargeable\n",
- (!battery->technology)?"non-":"");
+ battery->technology ? "" : "non-");
if (battery->design_voltage == ACPI_BATTERY_VALUE_UNKNOWN)
seq_printf(seq, "design voltage: unknown\n");
@@ -1111,11 +1111,12 @@ static int acpi_battery_alarm_proc_show(struct seq_file *seq, void *offset)
goto end;
}
seq_printf(seq, "alarm: ");
- if (!battery->alarm)
- seq_printf(seq, "unsupported\n");
- else
+ if (battery->alarm) {
seq_printf(seq, "%u %sh\n", battery->alarm,
acpi_battery_units(battery));
+ } else {
+ seq_printf(seq, "unsupported\n");
+ }
end:
if (result)
seq_printf(seq, "ERROR: Unable to read battery alarm\n");
@@ -1148,9 +1149,9 @@ static ssize_t acpi_battery_write_alarm(struct file *file,
}
result = acpi_battery_set_alarm(battery);
end:
- if (!result)
- return count;
- return result;
+ if (result)
+ return result;
+ return count;
}
static int acpi_battery_alarm_proc_open(struct inode *inode, struct file *file)
@@ -1245,7 +1246,9 @@ static int battery_notify(struct notifier_block *nb,
if (!acpi_battery_present(battery))
return 0;
- if (!battery->bat) {
+ if (battery->bat) {
+ acpi_battery_refresh(battery);
+ } else {
result = acpi_battery_get_info(battery);
if (result)
return result;
@@ -1253,8 +1256,7 @@ static int battery_notify(struct notifier_block *nb,
result = sysfs_add_battery(battery);
if (result)
return result;
- } else
- acpi_battery_refresh(battery);
+ }
acpi_battery_init_alarm(battery);
acpi_battery_get_state(battery);