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authorAlan Jenkins <alan-jenkins@tuffmail.co.uk>2017-02-08 14:46:28 +0100
committerAndy Shevchenko <andriy.shevchenko@linux.intel.com>2017-02-26 17:01:07 +0200
commitd3dd4480f8a911198d85b3cdb97f22db6539d2d1 (patch)
tree1901225f8f0a9bcb9a806cb26e5d7f613499edd2 /drivers/platform
parent8ef27bd3410c4e5856bac2315ef51224926020e0 (diff)
downloadlinux-d3dd4480f8a911198d85b3cdb97f22db6539d2d1.tar.bz2
platform/x86: fujitsu-laptop: replace numeric values with constants
Replace three repeating numeric values with constants to improve code clarity. Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk> [kempniu: rebase patch, rewrite commit message] Signed-off-by: Michał Kępień <kernel@kempniu.pl> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/x86/fujitsu-laptop.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c
index 55d696262301..deef40a03b6d 100644
--- a/drivers/platform/x86/fujitsu-laptop.c
+++ b/drivers/platform/x86/fujitsu-laptop.c
@@ -97,6 +97,11 @@
/* FUNC interface - responses */
#define UNSUPPORTED_CMD 0x80000000
+/* FUNC interface - status flags */
+#define FLAG_RFKILL 0x020
+#define FLAG_LID 0x100
+#define FLAG_DOCK 0x200
+
#if IS_ENABLED(CONFIG_LEDS_CLASS)
/* FUNC interface - LED control */
#define FUNC_LED_OFF 0x1
@@ -567,9 +572,9 @@ static ssize_t
show_lid_state(struct device *dev,
struct device_attribute *attr, char *buf)
{
- if (!(fujitsu_laptop->flags_supported & 0x100))
+ if (!(fujitsu_laptop->flags_supported & FLAG_LID))
return sprintf(buf, "unknown\n");
- if (fujitsu_laptop->flags_state & 0x100)
+ if (fujitsu_laptop->flags_state & FLAG_LID)
return sprintf(buf, "open\n");
else
return sprintf(buf, "closed\n");
@@ -579,9 +584,9 @@ static ssize_t
show_dock_state(struct device *dev,
struct device_attribute *attr, char *buf)
{
- if (!(fujitsu_laptop->flags_supported & 0x200))
+ if (!(fujitsu_laptop->flags_supported & FLAG_DOCK))
return sprintf(buf, "unknown\n");
- if (fujitsu_laptop->flags_state & 0x200)
+ if (fujitsu_laptop->flags_state & FLAG_DOCK)
return sprintf(buf, "docked\n");
else
return sprintf(buf, "undocked\n");
@@ -591,9 +596,9 @@ static ssize_t
show_radios_state(struct device *dev,
struct device_attribute *attr, char *buf)
{
- if (!(fujitsu_laptop->flags_supported & 0x20))
+ if (!(fujitsu_laptop->flags_supported & FLAG_RFKILL))
return sprintf(buf, "unknown\n");
- if (fujitsu_laptop->flags_state & 0x20)
+ if (fujitsu_laptop->flags_state & FLAG_RFKILL)
return sprintf(buf, "on\n");
else
return sprintf(buf, "killed\n");