[PATCH] jbt6k74: error checking and possible cleanup.

[Stefan Schmidt]

Hello.

The two attached patches have some fixes for the LCM driver.

1. device_create_file() can fail. Check return value and report.

2. In the register init some three settings were called twice. I guess
   it's a copy'and'paste error. The data sheet states only one
   setting. If this works around a harware bug we should comment it.

regards
Stefan Schmidt
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