[alsa-devel] ALSA: snd_ice1712: Check correct return value to snd_i2c_sendbytes (EWS/DMX 6Fire)

[Rui Nuno Capela]

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Check for exact and correct return value to snd_i2c_sendbytes
call for EWS/DMX 6Fire (snd_ice1712).

Fixes a systemic error on every boot to snd_ice1712 driver
("cannot send pca") on Terratec EWS/DMX 6Fire PCI soundcards.

Signed-off-by: Rui Nuno Capela <rncbc at rncbc.org>

Cheers
- -- 
rncbc aka. Rui Nuno Capela
rncbc at rncbc.org
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