[alsa-devel] [PATCH 2/3] lx6464es: dump MAC in standard form

[Andy Shevchenko]

On Wed, 2013-05-29 at 13:03 +0200, Takashi Iwai wrote:

> > > > -	sprintf(card->shortname, "LX6464ES %02X.%02X.%02X.%02X.%02X.%02X",
> > > > -		chip->mac_address[0], chip->mac_address[1], chip->mac_address[2],
> > > > -		chip->mac_address[3], chip->mac_address[4], chip->mac_address[5]);
> > > > +	sprintf(card->shortname, "LX6464ES %pM", chip->mac_address);
> > > 
> > > This will change from the upper to the lower case, thus it'll lead to
> > > an incompatible name string, unfortunately.
> > 
> > Who is the user of this string?
> 
> It's exposed to the user-space via ioctl and it can be used as an id
> string.  So this will break user-space compatibility.

MAC is theoretically set of arbitrary 6 bytes.
Only what I can see here is the difference between '.' and ':' as a
delimiter. But the MAC address form is defined in IEEE 802 standards.

Anyway, I am okay if you reject this one.

-- 
Andy Shevchenko <andriy.shevchenko at linux.intel.com>
Intel Finland Oy