kernel: cs5535audio spam the syslog with access errors.

On geos boards the cs5535 is present but the ac97 is not there.

diff --git a/lfs/linux b/lfs/linux
index 6aaa60e78079f8a89a6c2092c5b4fb16bdd1b544..2a7eb32cb878b57351f8ff203d21670d8f9e4ea3 100644 (file)
--- a/lfs/linux
+++ b/lfs/linux
@@ -147,6 +147,9 @@ endif
        # Add LED trigger
        cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-3.10.9-ledtrig-netdev-1.patch
 
+       # cs5535audio spams syslog if no ac97 was present (geos router)
+       cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-3.10.30_cs5535audio_fix_logspam_on_geos.patch
+
        # Fix uevent PHYSDEVDRIVER
        cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-3.2.33_ipg-fix-driver-name.patch
        cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-2.6.32.27_mcs7830-fix-driver-name.patch

diff --git a/src/patches/linux-3.10.30_cs5535audio_fix_logspam_on_geos.patch b/src/patches/linux-3.10.30_cs5535audio_fix_logspam_on_geos.patch
new file mode 100644 (file)
index 0000000..490a34d
--- /dev/null
+++ b/src/patches/linux-3.10.30_cs5535audio_fix_logspam_on_geos.patch
@@ -0,0 +1,27 @@
+diff -Naur linux-3.10.30.org/sound/pci/cs5535audio/cs5535audio.c linux-3.10.30/sound/pci/cs5535audio/cs5535audio.c
+--- linux-3.10.30.org/sound/pci/cs5535audio/cs5535audio.c      2014-02-13 22:48:15.000000000 +0100
++++ linux-3.10.30/sound/pci/cs5535audio/cs5535audio.c  2014-02-15 12:45:49.545688703 +0100
+@@ -83,8 +83,8 @@
+                       break;
+               udelay(1);
+       } while (--timeout);
+-      if (!timeout)
+-              snd_printk(KERN_ERR "Failure writing to cs5535 codec\n");
++//    if (!timeout)
++//            snd_printk(KERN_ERR "Failure writing to cs5535 codec\n");
+ }
+ 
+ static unsigned short snd_cs5535audio_codec_read(struct cs5535audio *cs5535au,
+@@ -108,9 +108,9 @@
+                       break;
+               udelay(1);
+       } while (--timeout);
+-      if (!timeout)
+-              snd_printk(KERN_ERR "Failure reading codec reg 0x%x,"
+-                                      "Last value=0x%x\n", reg, val);
++//    if (!timeout)
++//            snd_printk(KERN_ERR "Failure reading codec reg 0x%x,"
++//                                    "Last value=0x%x\n", reg, val);
+ 
+       return (unsigned short) val;
+ }