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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 <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Hans Verkuil 2006-11-12 09:28:46 -03:00 committed by Mauro Carvalho Chehab
parent c6e53daffc
commit f2520106e7
2 changed files with 6 additions and 5 deletions
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9
drivers/media/video/tveeprom.c
View File

@ -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);

2
include/media/tveeprom.h
View File

@ -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;