[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 <[email protected]> Signed-off-by: Takashi Iwai <[email protected]> Signed-off-by: Jaroslav Kysela <[email protected]>
jimmycarry · Jan 31, 2008 · 1bc9eed · 1bc9eed
1 parent ebf00c5
commit 1bc9eed
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/sound/isa/es18xx.c b/sound/isa/es18xx.c
@@ -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;