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Diffstat (limited to 'sound/usb/caiaq/device.c')
-rw-r--r--sound/usb/caiaq/device.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/sound/usb/caiaq/device.c b/sound/usb/caiaq/device.c
index 1a61dd12fe38..bc55f708a696 100644
--- a/sound/usb/caiaq/device.c
+++ b/sound/usb/caiaq/device.c
@@ -235,6 +235,31 @@ int snd_usb_caiaq_send_command(struct snd_usb_caiaqdev *cdev,
cdev->ep1_out_buf, len+1, &actual_len, 200);
}
+int snd_usb_caiaq_send_command_bank(struct snd_usb_caiaqdev *cdev,
+ unsigned char command,
+ unsigned char bank,
+ const unsigned char *buffer,
+ int len)
+{
+ int actual_len;
+ struct usb_device *usb_dev = cdev->chip.dev;
+
+ if (!usb_dev)
+ return -EIO;
+
+ if (len > EP1_BUFSIZE - 2)
+ len = EP1_BUFSIZE - 2;
+
+ if (buffer && len > 0)
+ memcpy(cdev->ep1_out_buf+2, buffer, len);
+
+ cdev->ep1_out_buf[0] = command;
+ cdev->ep1_out_buf[1] = bank;
+
+ return usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, 1),
+ cdev->ep1_out_buf, len+2, &actual_len, 200);
+}
+
int snd_usb_caiaq_set_audio_params (struct snd_usb_caiaqdev *cdev,
int rate, int depth, int bpp)
{