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Commit fa863b2d authored by Michael Gernoth's avatar Michael Gernoth Committed by Takashi Iwai
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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: default avatarMichael Gernoth <michael@gernoth.net>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 3e21a19d

sound/pci/emu10k1/emu10k1_main.c

+9 −0
Original line number Diff line number Diff line
@@ -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;