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    SubjectRe: ALSA in 2.6 failing to find the OPL chip of the sb cards
    At Fri, 9 Jan 2004 18:17:15 +0100,
    Santiago Garcia Mantinan wrote:
    >
    > > compile with CONFIG_SND_DEBUG and CONFIG_SND_VERBOSE_PRINTK.
    > > if it's in snd_opl3_detect(), "OPL2/3 chip not detected at ..."
    > > message should appear (together with other message in
    > > snd_opl3_detect()).
    >
    > I have tested now with 2.6.1 with vanilla driver (0.9.7) and also with 1.0.1
    > using the patch that Jaroslav posted yesterday available at
    > ftp://ftp.alsa-project.org/pub/kernel-patches/alsa-bk-2004-01-08.patch.gz
    > and got the same result as before, these are the messages for 1.0.1:
    >
    > pnp: Device 00:01.00 activated.
    > ALSA sound/isa/sb/sb16.c:313: pnp SB16: port=0x220, mpu port=0x330, fm port=0x388
    > ALSA sound/isa/sb/sb16.c:315: pnp SB16: dma1=1, dma2=5, irq=10
    > ALSA sound/isa/sb/sb_common.c:133: SB [0x220]: DSP chip found, version = 4.13
    > ALSA sound/drivers/opl3/opl3_lib.c:133: OPL3: stat1 = 0xff
    > ALSA sound/drivers/opl3/opl3_lib.c:444: OPL2/3 chip not detected at 0x388/0x38a
    > ALSA sound/isa/sb/sb16.c:489: sb16: no OPL device at 0x388-0x38a

    then it fails in the reset sequence of opl chip, namely,
    what happens if you replace the line 441
    opl3->command = &snd_opl2_command;
    with
    opl3->command = &snd_opl3_command;
    ?

    --
    Takashi Iwai <tiwai@suse.de> ALSA Developer - www.alsa-project.org


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