[ALSA] snd-emu10k1: Enable speakers on Audigy 2 ZS Notebook.

Modules: EMU10K1/EMU10K2 driver

Description:
This enables the 7.1 speaker output of the Audigy 2 ZS Notebook.
Further towards fixing ALSA bug#927
TODO:
SPDIF/IEC958 output. (untested, might already work)
Sound capture. (untested, might already work.)

Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>

1 files changed, 12 insertions, 0 deletions

diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c
index eb093700fa71..e3a14068115c 100644
--- a/sound/pci/emu10k1/emu10k1_main.c
+++ b/sound/pci/emu10k1/emu10k1_main.c
@@ -205,6 +205,18 @@ static int snd_emu10k1_init(struct snd_emu10k1 *emu, int enable_ir, int resume)
                 tmp = snd_emu10k1_spi_write(emu, 0x0622);
                 tmp = snd_emu10k1_spi_write(emu, 0x1400);
                 snd_emu10k1_ptr20_write(emu, 0x60, 0, 0x10);
+                /* Enable GPIOs
+                 * GPIO0: Unknown
+                 * GPIO1: Speakers-enabled.
+                 * GPIO2: Unknown
+                 * GPIO3: Unknown
+                 * GPIO4: IEC958 Output on.
+                 * GPIO5: Unknown
+                 * GPIO6: Unknown
+                 * GPIO7: Unknown
+                 */
+                outl(0x76, emu->port + A_IOCFG); /* Windows uses 0x3f76 */
+
         }
         
         snd_emu10k1_ptr_write(emu, PTB, 0, emu->ptb_pages.addr);