Re: [PATCH] ALSA: firewire-motu: use 'version' field of unit directory to identify model

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On Sun, 17 Mar 2019 07:49:29 +0100,
Takashi Sakamoto wrote:
> 
> Current ALSA firewire-motu driver uses the value of 'model' field
> of unit directory in configuration ROM for modalias for MOTU
> FireWire models. However, as long as I checked, Pre8 and
> 828mk3(Hybrid) have the same value for the field (=0x100800).
> 
> unit            | version   | model
> --------------- | --------- | ----------
> 828mkII         | 0x000003  | 0x101800
> Traveler        | 0x000009  | 0x107800
> Pre8            | 0x00000f  | 0x100800 <-
> 828mk3(FW)      | 0x000015  | 0x106800
> AudioExpress    | 0x000033  | 0x104800
> 828mk3(Hybrid)  | 0x000035  | 0x100800 <-
> 
> When updating firmware for MOTU 8pre FireWire from v1.0.0 to v1.0.3,
> I got change of the value from 0x100800 to 0x103800. On the other
> hand, the value of 'version' field is fixed to 0x00000f. As a quick
> glance, the higher 12 bits of the value of 'version' field represent
> firmware version, while the lower 12 bits is unknown.
> 
> By induction, the value of 'version' field represents actual model.
> 
> This commit changes modalias to match the value of 'version' field,
> instead of 'model' field. For degug, long name of added sound card
> includes hexadecimal value of 'model' field.
> 
> Cc: <stable@xxxxxxxxxxxxxxx> # v4.19+
> Fixes: 6c5e1ac0e144 ("ALSA: firewire-motu: add support for Motu Traveler")
> 
> Signed-off-by: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx>

Applied, thanks.


Takashi
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