Merge branch 'linus' into perf/urgent

Merge dependencies to apply a fix.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

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)
 {