[linux-dvb] RFC / driver for Avermedia DVB-S Pro

Trent Piepho xyzzy at speakeasy.org
Tue Dec 12 00:38:41 CET 2006


On Mon, 11 Dec 2006, Tino Reichardt wrote:
> After months, I had last week some time to look again on the demod/tuner.
>
> The ZL10313 demod is just a newer MT312, which is fully supported ;)
>
> The tuner isn't so easy ... I think the i2c address behind the
> demodulators secondary 2 wire bus is 0x60... but the datasheet says, it
> should be 0xc0 / 0xc1 ?!

0xc0/0xc1 >> 1 == 0x60

The addresses used in the linux i2c code are 7-bit address, which are the
high 7 bits of the byte sent over the i2c bus.  The low bit indicates read
or write.  So 0x60 becomes 0xc0 for write and 0xc1 for read.



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