git: 60911eda7819 - stable/13 - cs4281: eliminate write only variable codecno

The branch stable/13 has been updated by imp:

URL: https://cgit.FreeBSD.org/src/commit/?id=60911eda7819f3cc69bb62f3ecce2acb73b362f8

commit 60911eda7819f3cc69bb62f3ecce2acb73b362f8
Author:     Warner Losh <imp@FreeBSD.org>
AuthorDate: 2022-07-08 17:53:32 +0000
Commit:     Warner Losh <imp@FreeBSD.org>
CommitDate: 2022-10-02 04:25:54 +0000

    cs4281: eliminate write only variable codecno
    
    Sponsored by:           Netflix
    
    (cherry picked from commit 0c64fe00681816ce593e58617a7b285683154dfb)
---
 sys/dev/sound/pci/cs4281.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/sys/dev/sound/pci/cs4281.c b/sys/dev/sound/pci/cs4281.c
index fe73e14edb29..6763f17f84f0 100644
--- a/sys/dev/sound/pci/cs4281.c
+++ b/sys/dev/sound/pci/cs4281.c
@@ -257,9 +257,7 @@ static int
 cs4281_rdcd(kobj_t obj, void *devinfo, int regno)
 {
     struct sc_info *sc = (struct sc_info *)devinfo;
-    int codecno;
 
-    codecno = regno >> 8;
     regno &= 0xff;
 
     /* Remove old state */
@@ -291,9 +289,7 @@ static int
 cs4281_wrcd(kobj_t obj, void *devinfo, int regno, u_int32_t data)
 {
     struct sc_info *sc = (struct sc_info *)devinfo;
-    int codecno;
 
-    codecno = regno >> 8;
     regno &= 0xff;
 
     cs4281_wr(sc, CS4281PCI_ACCAD, regno);