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[ALSA] es18xx: Enable wavetable input from ESS chips 

This patch enables wavetable chips ES689/ES69X connected to
ESS ES18xx chips. The wavetable chip uses FM DAC if the clock signal
from the wavetable is active.
It has no effect if there is no ESS wavetable chip present.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
hifive-unleashed-5.1
Krzysztof Helt 2008-01-07 12:24:45 +01:00 committed by Jaroslav Kysela
parent ebf00c54a6
commit 1bc9eed379
1 changed files with 2 additions and 0 deletions
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2
sound/isa/es18xx.c
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@ -1442,6 +1442,8 @@ static int __devinit snd_es18xx_initialize(struct snd_es18xx *chip)
snd_es18xx_write(chip, 0xB2, 0x50);
/* Enable MPU and hardware volume interrupt */
snd_es18xx_mixer_write(chip, 0x64, 0x42);
/* Enable ESS wavetable input */
snd_es18xx_mixer_bits(chip, 0x48, 0x10, 0x10);
}
else {
int irqmask, dma1mask, dma2mask;