When the dock on an E-mu 1010 card is disconnected, all outputs get muted by the hardware. Add logic to detect a disconnect and unmute.
Signed-off-by: Michael Gernoth michael@gernoth.net --- sound/pci/emu10k1/emu10k1_main.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c index b4458a6..ee50c1d 100644 --- a/sound/pci/emu10k1/emu10k1_main.c +++ b/sound/pci/emu10k1/emu10k1_main.c @@ -707,6 +707,7 @@ static int emu1010_firmware_thread(void *data) { struct snd_emu10k1 *emu = data; u32 tmp, tmp2, reg; + u32 last_reg = 0; int err;
for (;;) { @@ -782,7 +783,15 @@ static int emu1010_firmware_thread(void *data) msleep(10); /* Unmute all. Default is muted after a firmware load */ snd_emu1010_fpga_write(emu, EMU_HANA_UNMUTE, EMU_UNMUTE); + } else if (!reg && last_reg) { + /* Audio Dock removed */ + dev_info(emu->card->dev, + "emu1010: Audio Dock detached\n"); + /* Unmute all */ + snd_emu1010_fpga_write(emu, EMU_HANA_UNMUTE, EMU_UNMUTE); } + + last_reg = reg; } dev_info(emu->card->dev, "emu1010: firmware thread stopping\n"); return 0;