ALSA: snd-usb-caiaq: Do not expose hardware input mode 0 of A4DJ
In the context of the Audio 4 DJ (when compared to Audio 8 DJ), hardware
input mode 0 is not used. Expose modes 1 (line) and 2 (phono) to the user
as modes 0 and 1 respectively.
Signed-off-by: Mark Hills <mark@pogo.org.uk>
Acked-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/usb/caiaq/caiaq-control.c b/sound/usb/caiaq/caiaq-control.c
index 1f9531d..136ef34 100644
--- a/sound/usb/caiaq/caiaq-control.c
+++ b/sound/usb/caiaq/caiaq-control.c
@@ -44,16 +44,24 @@
uinfo->count = 1;
pos &= ~CNT_INTVAL;
- if (((id == USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ)) ||
- (id == USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ)))
+ if (id == USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ)
&& (pos == 0)) {
- /* current input mode of A8DJ and A4DJ */
+ /* current input mode of A8DJ */
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = 2;
return 0;
}
+ if (id == USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ)
+ && (pos == 0)) {
+ /* current input mode of A4DJ */
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 1;
+ return 0;
+ }
+
if (is_intval) {
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->value.integer.min = 0;
@@ -74,6 +82,14 @@
struct snd_usb_caiaqdev *dev = caiaqdev(chip->card);
int pos = kcontrol->private_value;
+ if (dev->chip.usb_id ==
+ USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ)) {
+ /* A4DJ has only one control */
+ /* do not expose hardware input mode 0 */
+ ucontrol->value.integer.value[0] = dev->control_state[0] - 1;
+ return 0;
+ }
+
if (pos & CNT_INTVAL)
ucontrol->value.integer.value[0]
= dev->control_state[pos & ~CNT_INTVAL];
@@ -91,6 +107,16 @@
struct snd_usb_caiaqdev *dev = caiaqdev(chip->card);
int pos = kcontrol->private_value;
+ if (dev->chip.usb_id ==
+ USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ)) {
+ /* A4DJ has only one control */
+ /* do not expose hardware input mode 0 */
+ dev->control_state[0] = ucontrol->value.integer.value[0] + 1;
+ snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO,
+ dev->control_state, sizeof(dev->control_state));
+ return 1;
+ }
+
if (pos & CNT_INTVAL) {
dev->control_state[pos & ~CNT_INTVAL]
= ucontrol->value.integer.value[0];