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drm/bridge/sii8620: add remote control support

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MHL specification defines Remote Control Protocol(RCP) to
send input events between MHL devices.
The driver now recognizes RCP messages and reacts to them
by reporting key events to input subsystem, allowing
a user to control a device using TV remote control.

Signed-off-by: Maciej Purski <m.purski@samsung.com>
Acked-by: Sean Young <sean@mess.org>
Acked-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1503565087-19730-1-git-send-email-m.purski@samsung.com
This commit is contained in:
Maciej Purski
2017-08-24 10:58:07 +02:00
committed by Andrzej Hajda
parent da184deeb8
commit e25f1f7c94
3 changed files with 96 additions and 6 deletions
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4
include/drm/bridge/mhl.h
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@@ -262,6 +262,10 @@ enum {
#define MHL_RAPK_UNSUPPORTED 0x02 /* Rcvd RAP action code not supported */
#define MHL_RAPK_BUSY 0x03 /* Responder too busy to respond */
/* Bit masks for RCP messages */
#define MHL_RCP_KEY_RELEASED_MASK 0x80
#define MHL_RCP_KEY_ID_MASK 0x7F
/*
* Error status codes for RCPE messages
*/