diff options
Diffstat (limited to 'drivers/media/rc/ir-nec-decoder.c')
-rw-r--r-- | drivers/media/rc/ir-nec-decoder.c | 57 |
1 files changed, 14 insertions, 43 deletions
diff --git a/drivers/media/rc/ir-nec-decoder.c b/drivers/media/rc/ir-nec-decoder.c index 3ce850314dca..817c18f2ddd1 100644 --- a/drivers/media/rc/ir-nec-decoder.c +++ b/drivers/media/rc/ir-nec-decoder.c @@ -49,9 +49,8 @@ static int ir_nec_decode(struct rc_dev *dev, struct ir_raw_event ev) { struct nec_dec *data = &dev->raw->nec; u32 scancode; - enum rc_type rc_type; + enum rc_proto rc_proto; u8 address, not_address, command, not_command; - bool send_32bits = false; if (!is_timing_event(ev)) { if (ev.reset) @@ -88,13 +87,9 @@ static int ir_nec_decode(struct rc_dev *dev, struct ir_raw_event ev) data->state = STATE_BIT_PULSE; return 0; } else if (eq_margin(ev.duration, NEC_REPEAT_SPACE, NEC_UNIT / 2)) { - if (!dev->keypressed) { - IR_dprintk(1, "Discarding last key repeat: event after key up\n"); - } else { - rc_repeat(dev); - IR_dprintk(1, "Repeat last key\n"); - data->state = STATE_TRAILER_PULSE; - } + rc_repeat(dev); + IR_dprintk(1, "Repeat last key\n"); + data->state = STATE_TRAILER_PULSE; return 0; } @@ -161,39 +156,14 @@ static int ir_nec_decode(struct rc_dev *dev, struct ir_raw_event ev) command = bitrev8((data->bits >> 8) & 0xff); not_command = bitrev8((data->bits >> 0) & 0xff); - if ((command ^ not_command) != 0xff) { - IR_dprintk(1, "NEC checksum error: received 0x%08x\n", - data->bits); - send_32bits = true; - } - - if (send_32bits) { - /* NEC transport, but modified protocol, used by at - * least Apple and TiVo remotes */ - scancode = not_address << 24 | - address << 16 | - not_command << 8 | - command; - IR_dprintk(1, "NEC (modified) scancode 0x%08x\n", scancode); - rc_type = RC_TYPE_NEC32; - } else if ((address ^ not_address) != 0xff) { - /* Extended NEC */ - scancode = address << 16 | - not_address << 8 | - command; - IR_dprintk(1, "NEC (Ext) scancode 0x%06x\n", scancode); - rc_type = RC_TYPE_NECX; - } else { - /* Normal NEC */ - scancode = address << 8 | command; - IR_dprintk(1, "NEC scancode 0x%04x\n", scancode); - rc_type = RC_TYPE_NEC; - } + scancode = ir_nec_bytes_to_scancode(address, not_address, + command, not_command, + &rc_proto); if (data->is_nec_x) data->necx_repeat = true; - rc_keydown(dev, rc_type, scancode, 0); + rc_keydown(dev, rc_proto, scancode, 0); data->state = STATE_INACTIVE; return 0; } @@ -210,19 +180,19 @@ static int ir_nec_decode(struct rc_dev *dev, struct ir_raw_event ev) * @scancode: a single NEC scancode. * @raw: raw data to be modulated. */ -static u32 ir_nec_scancode_to_raw(enum rc_type protocol, u32 scancode) +static u32 ir_nec_scancode_to_raw(enum rc_proto protocol, u32 scancode) { unsigned int addr, addr_inv, data, data_inv; data = scancode & 0xff; - if (protocol == RC_TYPE_NEC32) { + if (protocol == RC_PROTO_NEC32) { /* 32-bit NEC (used by Apple and TiVo remotes) */ /* scan encoding: aaAAddDD */ addr_inv = (scancode >> 24) & 0xff; addr = (scancode >> 16) & 0xff; data_inv = (scancode >> 8) & 0xff; - } else if (protocol == RC_TYPE_NECX) { + } else if (protocol == RC_PROTO_NECX) { /* Extended NEC */ /* scan encoding AAaaDD */ addr = (scancode >> 16) & 0xff; @@ -266,7 +236,7 @@ static const struct ir_raw_timings_pd ir_nec_timings = { * -ENOBUFS if there isn't enough space in the array to fit the * encoding. In this case all @max events will have been written. */ -static int ir_nec_encode(enum rc_type protocol, u32 scancode, +static int ir_nec_encode(enum rc_proto protocol, u32 scancode, struct ir_raw_event *events, unsigned int max) { struct ir_raw_event *e = events; @@ -285,7 +255,8 @@ static int ir_nec_encode(enum rc_type protocol, u32 scancode, } static struct ir_raw_handler nec_handler = { - .protocols = RC_BIT_NEC | RC_BIT_NECX | RC_BIT_NEC32, + .protocols = RC_PROTO_BIT_NEC | RC_PROTO_BIT_NECX | + RC_PROTO_BIT_NEC32, .decode = ir_nec_decode, .encode = ir_nec_encode, }; |