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Commit 0fcd3f0a authored by Sean Young's avatar Sean Young Committed by Mauro Carvalho Chehab
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[media] rc5x: document that this is the 20 bit variant 



There are many variants of extended rc5. This implements the 20 bit
version.

Signed-off-by: default avatarSean Young <sean@mess.org>
Cc: David Härdeman <david@hardeman.nu>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent fd844d90

drivers/media/rc/ir-rc5-decoder.c

+3 −3
Original line number Diff line number Diff line
@@ -124,7 +124,7 @@ static int ir_rc5_decode(struct rc_dev *dev, struct ir_raw_event ev) 
		if (data->is_rc5x && data->count == RC5X_NBITS) {

			/* RC5X */

			u8 xdata, command, system;

			if (!(dev->enabled_protocols & RC_BIT_RC5X)) {

			if (!(dev->enabled_protocols & RC_BIT_RC5X_20)) {

				data->state = STATE_INACTIVE;

				return 0;

			}
@@ -134,7 +134,7 @@ static int ir_rc5_decode(struct rc_dev *dev, struct ir_raw_event ev) 
			toggle   = (data->bits & 0x20000) ? 1 : 0;

			command += (data->bits & 0x40000) ? 0 : 0x40;

			scancode = system << 16 | command << 8 | xdata;

			protocol = RC_TYPE_RC5X;

			protocol = RC_TYPE_RC5X_20;



		} else if (!data->is_rc5x && data->count == RC5_NBITS) {

			/* RC5 */
@@ -182,7 +182,7 @@ static int ir_rc5_decode(struct rc_dev *dev, struct ir_raw_event ev) 
}



static struct ir_raw_handler rc5_handler = {

	.protocols	= RC_BIT_RC5 | RC_BIT_RC5X | RC_BIT_RC5_SZ,

	.protocols	= RC_BIT_RC5 | RC_BIT_RC5X_20 | RC_BIT_RC5_SZ,

	.decode		= ir_rc5_decode,

};

drivers/media/rc/rc-main.c

+1 −1
Original line number Diff line number Diff line
@@ -796,7 +796,7 @@ static const struct { 
	{ RC_BIT_OTHER,		"other",	NULL			},

	{ RC_BIT_UNKNOWN,	"unknown",	NULL			},

	{ RC_BIT_RC5 |

	  RC_BIT_RC5X,		"rc-5",		"ir-rc5-decoder"	},

	  RC_BIT_RC5X_20,	"rc-5",		"ir-rc5-decoder"	},

	{ RC_BIT_NEC |

	  RC_BIT_NECX |

	  RC_BIT_NEC32,		"nec",		"ir-nec-decoder"	},

include/media/rc-map.h

+4 −4
Original line number Diff line number Diff line
@@ -17,7 +17,7 @@ 
 * @RC_TYPE_UNKNOWN: Protocol not known

 * @RC_TYPE_OTHER: Protocol known but proprietary

 * @RC_TYPE_RC5: Philips RC5 protocol

 * @RC_TYPE_RC5X: Philips RC5x protocol

 * @RC_TYPE_RC5X_20: Philips RC5x 20 bit protocol

 * @RC_TYPE_RC5_SZ: StreamZap variant of RC5

 * @RC_TYPE_JVC: JVC protocol

 * @RC_TYPE_SONY12: Sony 12 bit protocol
@@ -41,7 +41,7 @@ enum rc_type { 
	RC_TYPE_UNKNOWN		= 0,

	RC_TYPE_OTHER		= 1,

	RC_TYPE_RC5		= 2,

	RC_TYPE_RC5X		= 3,

	RC_TYPE_RC5X_20		= 3,

	RC_TYPE_RC5_SZ		= 4,

	RC_TYPE_JVC		= 5,

	RC_TYPE_SONY12		= 6,
@@ -66,7 +66,7 @@ enum rc_type { 
#define RC_BIT_UNKNOWN		(1ULL << RC_TYPE_UNKNOWN)

#define RC_BIT_OTHER		(1ULL << RC_TYPE_OTHER)

#define RC_BIT_RC5		(1ULL << RC_TYPE_RC5)

#define RC_BIT_RC5X		(1ULL << RC_TYPE_RC5X)

#define RC_BIT_RC5X_20		(1ULL << RC_TYPE_RC5X_20)

#define RC_BIT_RC5_SZ		(1ULL << RC_TYPE_RC5_SZ)

#define RC_BIT_JVC		(1ULL << RC_TYPE_JVC)

#define RC_BIT_SONY12		(1ULL << RC_TYPE_SONY12)
@@ -87,7 +87,7 @@ enum rc_type { 
#define RC_BIT_CEC		(1ULL << RC_TYPE_CEC)



#define RC_BIT_ALL	(RC_BIT_UNKNOWN | RC_BIT_OTHER | \

			 RC_BIT_RC5 | RC_BIT_RC5X | RC_BIT_RC5_SZ | \

			 RC_BIT_RC5 | RC_BIT_RC5X_20 | RC_BIT_RC5_SZ | \

			 RC_BIT_JVC | \

			 RC_BIT_SONY12 | RC_BIT_SONY15 | RC_BIT_SONY20 | \

			 RC_BIT_NEC | RC_BIT_NECX | RC_BIT_NEC32 | \