ALSA: snd_usb_caiaq: give better longname

The serial number is of no interest in the longname, remove it. This
gives space for the usb path information which is more informative.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

2 files changed, 6 insertions, 20 deletions

diff --git a/sound/usb/caiaq/device.c b/sound/usb/caiaq/device.c
index d06d7fcbb8e8..15052e439e30 100644
--- a/sound/usb/caiaq/device.c
+++ b/sound/usb/caiaq/device.c
@@ -382,10 +382,10 @@ static int create_card(struct usb_device* usb_dev, struct snd_card **cardp)
 
 static int __devinit init_card(struct snd_usb_caiaqdev *dev)
 {
-        char *c;
+        char usbpath[32];
         struct usb_device *usb_dev = dev->chip.dev;
         struct snd_card *card = dev->chip.card;
-        int err, len;
+        int err;
 
         if (usb_set_interface(usb_dev, 0, 1) != 0) {
                 log("can't set alt interface.\n");
@@ -424,27 +424,14 @@ static int __devinit init_card(struct snd_usb_caiaqdev *dev)
         usb_string(usb_dev, usb_dev->descriptor.iProduct,
                    dev->product_name, CAIAQ_USB_STR_LEN);
 
-        usb_string(usb_dev, usb_dev->descriptor.iSerialNumber,
-                   dev->serial, CAIAQ_USB_STR_LEN);
-
-        /* terminate serial string at first white space occurence */
-        c = strchr(dev->serial, ' ');
-        if (c)
-                *c = '\0';
-
         strlcpy(card->driver, MODNAME, sizeof(card->driver));
         strlcpy(card->shortname, dev->product_name, sizeof(card->shortname));
 
-        len = snprintf(card->longname, sizeof(card->longname),
-                       "%s %s (serial %s, ",
-                       dev->vendor_name, dev->product_name, dev->serial);
-
-        if (len < sizeof(card->longname) - 2)
-                len += usb_make_path(usb_dev, card->longname + len,
-                                     sizeof(card->longname) - len);
+        usb_make_path(usb_dev, usbpath, sizeof(usbpath));
+        snprintf(card->longname, sizeof(card->longname),
+                       "%s %s (%s)",
+                       dev->vendor_name, dev->product_name, usbpath);
 
-        card->longname[len++] = ')';
-        card->longname[len] = '\0';
         setup_card(dev);
         return 0;
 }
diff --git a/sound/usb/caiaq/device.h b/sound/usb/caiaq/device.h
index 4cce1ad7493d..ece73514854e 100644
--- a/sound/usb/caiaq/device.h
+++ b/sound/usb/caiaq/device.h
@@ -81,7 +81,6 @@ struct snd_usb_caiaqdev {
 
         char vendor_name[CAIAQ_USB_STR_LEN];
         char product_name[CAIAQ_USB_STR_LEN];
-        char serial[CAIAQ_USB_STR_LEN];
 
         int n_streams, n_audio_in, n_audio_out;
         int streaming, first_packet, output_running;