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| author | Michael Gernoth <michael@gernoth.net> | 2015-04-11 15:34:44 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2015-04-11 18:29:19 +0300 |
| commit | fa863b2d5e62e2ea7d86ccfa9a888bd28dd79ebe (patch) | |
| tree | d5e0b32cd80f676e4e995a44173c52a76239cfd1 | |
| parent | 3e21a19d1d6775591415efd5617375ba42c41bbd (diff) | |
| download | linux-fa863b2d5e62e2ea7d86ccfa9a888bd28dd79ebe.tar.xz | |
ALSA: emu10k1: handle dock disconnects
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>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/pci/emu10k1/emu10k1_main.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c index 4887299011ef..54079f5d5673 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; |