From f81b953d43c2c12f617da3ecec25e04b5c9e6eb2 Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Tue, 16 Oct 2007 14:54:37 +0200 Subject: [PATCH] [ALSA] This patch adds support for a wavetable chip on the BTC 1817DW board. The QS1000 is connected through the digital input to the Opti931 chip. Signed-off-by: Krzysztof Helt Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/isa/opti9xx/opti92x-ad1848.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/sound/isa/opti9xx/opti92x-ad1848.c b/sound/isa/opti9xx/opti92x-ad1848.c index fb1d0704f2f9..ee1a824d8fc0 100644 --- a/sound/isa/opti9xx/opti92x-ad1848.c +++ b/sound/isa/opti9xx/opti92x-ad1848.c @@ -501,6 +501,16 @@ static int __devinit snd_opti9xx_configure(struct snd_opti9xx *chip) (chip->hardware == OPTi9XX_HW_82C930 ? 0x00 : 0x04), 0x34); snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x20, 0xbf); + /* + * The BTC 1817DW has QS1000 wavetable which is connected + * to the serial digital input of the OPTI931. + */ + snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(21), 0x82, 0xff); + /* + * This bit sets OPTI931 to automaticaly select FM + * or digital input signal. + */ + snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(26), 0x01, 0x01); break; #endif /* OPTi93X */