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Date:	Thu, 20 Mar 2014 14:52:21 +0100
From:	Jean-Francois Moine <>
To:	Sebastian Hesselbarth <>
Cc:	Russell King - ARM Linux <>,,,,
Subject: Re: [PATCH] ASoC: tda998x: Fix lack of required reg in DT

On Thu, 20 Mar 2014 14:32:18 +0100
Sebastian Hesselbarth <> wrote:

> Ok, I had another round of google'ing and found this:
> There, the datasheet specifically for TDA19988 only states 0x70 and
> 0x34 as the two i2c addresses. Therefore, TDA19988 has fixed i2c
> addresses while TDA9983b has configurable (main) i2c address.
> Not as easy as we thought ;)
> I suggest reword the reg property to:
> "- reg: shall be set to the I2C address"
> and optionally list all known addresses for each TDA[1]998x in the
> binding.

Thanks for the link.

OK, then, as the linux tda998x driver handles only the tda 19988 and
19989 chips, the HDMI I2C address is always 0x70.

So, question: Russell and Sebastian, do you still want an other patch?

Other question: the CEC address is hard-coded to 0x34 in the driver.
Should it be configurable in the DT?

Ken ar c'hentaƱ	|	      ** Breizh ha Linux atav! **
Jef		|
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