summaryrefslogtreecommitdiff
path: root/sound/usb/usbaudio.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@g5.osdl.org>2006-06-29 11:53:31 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-29 11:53:31 -0700
commit0950c358ee8e969fce45ba363ca1deaf211e57b0 (patch)
tree4c3b66e8457e1568aa26696d268e0e9c264382cb /sound/usb/usbaudio.c
parent3aa590c6b7c89d844f81c2e96f295cf2c6967773 (diff)
parent8caf7aa26e0797e5706043f94c491acd1a08636a (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa
* master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa: [ALSA] echoaudio - Remove kfree_nocheck() [ALSA] echoaudio - Fix Makefile [ALSA] Add Intel D965 board support [ALSA] Fix/add support of Realtek ALC883 / ALC888 and ALC861 codecs [ALSA] Fix a typo in echoaudio/midi.c [ALSA] snd-aoa: enable dual-edge in GPIOs [ALSA] snd-aoa: support iMac G5 iSight [ALSA] snd-aoa: not experimental [ALSA] Add echoaudio sound drivers [ALSA] ak4xxx-adda - Code clean-up [ALSA] Remove CONFIG_EXPERIMENTAL from intel8x0m driver [ALSA] Stereo controls for M-Audio Revolution cards [ALSA] Fix misuse of __list_add() in seq_ports.c [ALSA] hda-codec - Add model entry for Samsung X60 Chane [ALSA] make CONFIG_SND_DYNAMIC_MINORS non-experimental [ALSA] Fix wrong dependencies of snd-aoa driver [ALSA] fix build failure due to snd-aoa [ALSA] AD1888 mixer controls for DC mode [ALSA] Suppress irq handler mismatch messages in ALSA ISA drivers [ALSA] usb-audio support for Turtle Beach Roadie
Diffstat (limited to 'sound/usb/usbaudio.c')
-rw-r--r--sound/usb/usbaudio.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index 627de9525a32..d32d83d970cc 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -3096,6 +3096,32 @@ static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev)
}
/*
+ * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely
+ * documented in the device's data sheet.
+ */
+static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value)
+{
+ u8 buf[4];
+ buf[0] = 0x20;
+ buf[1] = value & 0xff;
+ buf[2] = (value >> 8) & 0xff;
+ buf[3] = reg;
+ return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION,
+ USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT,
+ 0, 0, &buf, 4, 1000);
+}
+
+static int snd_usb_cm106_boot_quirk(struct usb_device *dev)
+{
+ /*
+ * Enable line-out driver mode, set headphone source to front
+ * channels, enable stereo mic.
+ */
+ return snd_usb_cm106_write_int_reg(dev, 2, 0x8004);
+}
+
+
+/*
* Setup quirks
*/
#define AUDIOPHILE_SET 0x01 /* if set, parse device_setup */
@@ -3365,6 +3391,12 @@ static void *snd_usb_audio_probe(struct usb_device *dev,
goto __err_val;
}
+ /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */
+ if (id == USB_ID(0x10f5, 0x0200)) {
+ if (snd_usb_cm106_boot_quirk(dev) < 0)
+ goto __err_val;
+ }
+
/*
* found a config. now register to ALSA
*/