i Iwai 1233341737 +0100 ALSA: ess1688: fix OPL3 port setting The ess1688 driver uses the same port for PCM audio (SB compatible) and OPL3 synthesis. It is not always right so allow to choose a different port for OPL3 synthesis. Signed-off-by: Krzysztof Helt Signed-off-by: Takashi Iwai ¾