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BACKPORT: leds: add new LED_FUNCTION_PLAYER for player LEDs for game controllers.

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Player LEDs are commonly found on game controllers from Nintendo and Sony
to indicate a player ID across a number of LEDs. For example, "Player 2"
might be indicated as "-x--" on a device with 4 LEDs where "x" means on.

This patch introduces LED_FUNCTION_PLAYER1-5 defines to properly indicate
player LEDs from the kernel. Until now there was no good standard, which
resulted in inconsistent behavior across xpad, hid-sony, hid-wiimote and
other drivers. Moving forward new drivers should use LED_FUNCTION_PLAYERx.

Note: management of Player IDs is left to user space, though a kernel
driver may pick a default value.

Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

Bug: 260685629
(cherry picked from commit 61177c088a57bed259122f3c7bc6d61984936a12)
[Farid: Fixed minor conflict due to skipped commits outside scope of
hid-playstation]
Change-Id: I696f62cda377be1523e74e92b66b28f3c0716c43
Signed-off-by: Farid Chahla <farid.chahla@sony.com>
This commit is contained in:
Roderick Colenbrander 2021-09-08 09:55:38 -07:00 committed by Treehugger Robot
parent f91c45c176
commit 07dd46d289
1 changed files with 5 additions and 0 deletions
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5
include/dt-bindings/leds/common.h
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@ -58,6 +58,11 @@
#define LED_FUNCTION_MUTE "mute"
#define LED_FUNCTION_NUMLOCK "numlock"
#define LED_FUNCTION_PANIC "panic"
#define LED_FUNCTION_PLAYER1 "player-1"
#define LED_FUNCTION_PLAYER2 "player-2"
#define LED_FUNCTION_PLAYER3 "player-3"
#define LED_FUNCTION_PLAYER4 "player-4"
#define LED_FUNCTION_PLAYER5 "player-5"
#define LED_FUNCTION_PROGRAMMING "programming"
#define LED_FUNCTION_POWER "power"
#define LED_FUNCTION_RX "rx"