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[ALSA] This patch adds support for a wavetable chip on
author
Krzysztof Helt
<krzysztof.h1@wp.pl>
Tue, 16 Oct 2007 12:54:37 +0000
(14:54 +0200)
committer
Jaroslav Kysela
<perex@perex.cz>
Tue, 16 Oct 2007 14:51:28 +0000
(16:51 +0200)
the BTC 1817DW board.
The QS1000 is connected through the digital input
to the Opti931 chip.
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>
sound/isa/opti9xx/opti92x-ad1848.c
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diff --git
a/sound/isa/opti9xx/opti92x-ad1848.c
b/sound/isa/opti9xx/opti92x-ad1848.c
index fb1d0704f2f9fbf3f7a7f8bd5b7bf0f02c9a87c6..ee1a824d8fc0c388284fa28caae16891a6effcb5 100644
(file)
--- 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 */