68688e78ed
Speyside makes use of support the WM8915 has for detecting the polarity of the microphone and ground connections on headsets, using a GPIO to control the polarity of the ground connection and switching between the two microphone bias supplies available on the device in order to do so. As a result of this the detection support is more involved than for most other CODECs, using a callback to configure the current polarity of the jack and translate this into the board-specific connections required for the current scenario. On Android some additional work is required to hook this up to the application layer as the Android HeadsetObserver monitors a custom drivers/switch API rather than the standard Linux APIs. This can be done by either updating HeadsetObserver or modifying the ALSA core to report via drivers/switch as well. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Jassi Brar <jassisinghbrar@gmail.com> Acked-by: Liam Girdwood <lrg@ti.com> |
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.. | ||
aoa | ||
arm | ||
atmel | ||
core | ||
drivers | ||
firewire | ||
i2c | ||
isa | ||
mips | ||
oss | ||
parisc | ||
pci | ||
pcmcia | ||
ppc | ||
sh | ||
soc | ||
sparc | ||
spi | ||
synth | ||
usb | ||
ac97_bus.c | ||
Kconfig | ||
last.c | ||
Makefile | ||
sound_core.c | ||
sound_firmware.c |