AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

V4L/DVB (6180): tuner: don't probe 0x6b or 0x6f on cx88 boards

Browse Source 
Ignore 0x6b and 0x6f on cx88 boards. Some FusionHDTV cards
have an ir receiver at 0x6b and an RTC at 0x6f which can
get corrupted if probed.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Michael Krufky 2007-08-24 01:13:07 -03:00 committed by Mauro Carvalho Chehab
parent 3c44358c49
commit a1dec5160d
1 changed files with 21 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
drivers/media/video/tuner-core.c
View File

@ -661,6 +661,27 @@ static int tuner_probe(struct i2c_adapter *adap)
normal_i2c[1] = I2C_CLIENT_END;
}
/* HACK: Ignore 0x6b and 0x6f on cx88 boards.
* FusionHDTV5 RT Gold has an ir receiver at 0x6b
* and an RTC at 0x6f which can get corrupted if probed.
*/
if (adap->id == I2C_HW_B_CX2388x) {
unsigned int i = 0;
while (i < I2C_CLIENT_MAX_OPTS && ignore[i] != I2C_CLIENT_END)
i += 2;
if (i + 4 < I2C_CLIENT_MAX_OPTS) {
ignore[i+0] = adap->nr;
ignore[i+1] = 0x6b;
ignore[i+2] = adap->nr;
ignore[i+3] = 0x6f;
ignore[i+4] = I2C_CLIENT_END;
} else
printk(KERN_WARNING "tuner: "
"too many options specified "
"in i2c probe ignore list!\n");
}
default_mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV;
if (adap->class & I2C_CLASS_TV_ANALOG)