From f2520106e78b250c2c4662608cb8db1169932a2d Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sun, 12 Nov 2006 09:28:46 -0300 Subject: [PATCH] V4L/DVB (4812): Detect presence of IR receiver/IR transmitter in tveeprom Thanks to input from Steven Toth from Hauppauge the tveeprom module has been extended to detect the presence of an IR transmitter (aka IR-blaster). Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/tveeprom.c | 9 +++++---- include/media/tveeprom.h | 2 +- 2 files changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/media/video/tveeprom.c b/drivers/media/video/tveeprom.c index 6b9ef731b8..2624e3f7dd 100644 --- a/drivers/media/video/tveeprom.c +++ b/drivers/media/video/tveeprom.c @@ -430,7 +430,7 @@ void tveeprom_hauppauge_analog(struct i2c_client *c, struct tveeprom *tvee, tvee->has_radio = eeprom_data[i+len-1]; /* old style tag, don't know how to detect IR presence, mark as unknown. */ - tvee->has_ir = 2; + tvee->has_ir = -1; tvee->model = eeprom_data[i+8] + (eeprom_data[i+9] << 8); @@ -653,13 +653,14 @@ void tveeprom_hauppauge_analog(struct i2c_client *c, struct tveeprom *tvee, STRM(decoderIC, tvee->decoder_processor), tvee->decoder_processor); } - if (tvee->has_ir == 2) + if (tvee->has_ir == -1) tveeprom_info("has %sradio\n", tvee->has_radio ? "" : "no "); else - tveeprom_info("has %sradio, has %sIR remote\n", + tveeprom_info("has %sradio, has %sIR receiver, has %sIR transmitter\n", tvee->has_radio ? "" : "no ", - tvee->has_ir ? "" : "no "); + (tvee->has_ir & 1) ? "" : "no ", + (tvee->has_ir & 2) ? "" : "no "); } EXPORT_SYMBOL(tveeprom_hauppauge_analog); diff --git a/include/media/tveeprom.h b/include/media/tveeprom.h index e9fc1a7854..5660ea2499 100644 --- a/include/media/tveeprom.h +++ b/include/media/tveeprom.h @@ -3,7 +3,7 @@ struct tveeprom { u32 has_radio; - u32 has_ir; /* 0: no IR, 1: IR present, 2: unknown */ + u32 has_ir; /* bit 0: IR receiver present, bit 1: IR transmitter (blaster) present. -1 == unknown */ u32 has_MAC_address; /* 0: no MAC, 1: MAC present, 2: unknown */ u32 tuner_type; -- 2.39.5