From c6994e6f067cf0fc4c6cca3d164018b1150916f8 Mon Sep 17 00:00:00 2001 From: Bryan Wu Date: Wed, 3 Jun 2009 09:17:58 -0400 Subject: USB: gadget: add USB Audio Gadget driver Funtions added: - setup all the USB audio class device descriptors - handle class specific setup request - receive data from USB host by ISO transfer - play audio data by ALSA sound card - open and setup playback PCM interface - set default playback PCM parameters - provide playback functions for USB audio driver - provide PCM parameters set/get functions Test on: - Host: Ubuntu 8.10, kernel 2.6.27 - Gadget: EZKIT-BF548 with ASoC AD1980 codec Todo: - add real Mute control code - add real Volume control code - maybe find another way to replace dynamic buffer handling with static buffer allocation - test on Windows system - provide control interface to handle mute/volume control - provide capture interface in the future - test on BF527, other USB device controler and other audio codec Signed-off-by: Bryan Wu Signed-off-by: Mike Frysinger Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/Makefile | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/usb/gadget/Makefile') diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile index 9be2fbd6f5c2..fc9a7dc01047 100644 --- a/drivers/usb/gadget/Makefile +++ b/drivers/usb/gadget/Makefile @@ -31,6 +31,7 @@ obj-$(CONFIG_USB_S3C_HSOTG) += s3c-hsotg.o # USB gadget drivers # g_zero-objs := zero.o +g_audio-objs := audio.o g_ether-objs := ether.o g_serial-objs := serial.o g_midi-objs := gmidi.o @@ -40,6 +41,7 @@ g_printer-objs := printer.o g_cdc-objs := cdc2.o obj-$(CONFIG_USB_ZERO) += g_zero.o +obj-$(CONFIG_USB_AUDIO) += g_audio.o obj-$(CONFIG_USB_ETH) += g_ether.o obj-$(CONFIG_USB_GADGETFS) += gadgetfs.o obj-$(CONFIG_USB_FILE_STORAGE) += g_file_storage.o -- cgit v1.2.3