usb: gadget: f_uac1: use defined constants as defaults

When configfs support is added the values in question will have to be
used in two different places. Substitute them with defined constants
to avoid duplicating magic numbers.

Tested-by: Sebastian Reimers <sebastian.reimers@googlemail.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

2 files changed, 9 insertions, 3 deletions

diff --git a/drivers/usb/gadget/function/f_uac1.c b/drivers/usb/gadget/function/f_uac1.c
index 34575375760e..9a6c7ec66757 100644
--- a/drivers/usb/gadget/function/f_uac1.c
+++ b/drivers/usb/gadget/function/f_uac1.c
@@ -17,8 +17,6 @@
 
 #include "u_uac1.h"
 
-#define OUT_EP_MAX_PACKET_SIZE  200
-
 static int generic_set_cmd(struct usb_audio_control *con, u8 cmd, int value);
 static int generic_get_cmd(struct usb_audio_control *con, u8 cmd);
 
@@ -173,7 +171,7 @@ static struct usb_endpoint_descriptor as_out_ep_desc  = {
         .bEndpointAddress =     USB_DIR_OUT,
         .bmAttributes =         USB_ENDPOINT_SYNC_ADAPTIVE
                                 | USB_ENDPOINT_XFER_ISOC,
-        .wMaxPacketSize =       __constant_cpu_to_le16(OUT_EP_MAX_PACKET_SIZE),
+        .wMaxPacketSize =       cpu_to_le16(UAC1_OUT_EP_MAX_PACKET_SIZE),
         .bInterval =            4,
 };
 
diff --git a/drivers/usb/gadget/function/u_uac1.h b/drivers/usb/gadget/function/u_uac1.h
index 8507c27020c9..214441d96fe1 100644
--- a/drivers/usb/gadget/function/u_uac1.h
+++ b/drivers/usb/gadget/function/u_uac1.h
@@ -23,6 +23,14 @@
 
 #include "gadget_chips.h"
 
+#define FILE_PCM_PLAYBACK       "/dev/snd/pcmC0D0p"
+#define FILE_PCM_CAPTURE        "/dev/snd/pcmC0D0c"
+#define FILE_CONTROL            "/dev/snd/controlC0"
+
+#define UAC1_OUT_EP_MAX_PACKET_SIZE     200
+#define UAC1_REQ_COUNT                  256
+#define UAC1_AUDIO_BUF_SIZE             48000
+
 /*
  * This represents the USB side of an audio card device, managed by a USB
  * function which provides control and stream interfaces.