ALSA: ctxfi - Fix endian-dependent codes

The UAA-mode check in hwct20k1.c is implemented with the endian-dependent
codes.  Fix to be more portable (and readable).

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 9 insertions, 9 deletions

diff --git a/sound/pci/ctxfi/cthw20k1.c b/sound/pci/ctxfi/cthw20k1.c
index 1da1f82fe81..fd5f454c404 100644
--- a/sound/pci/ctxfi/cthw20k1.c
+++ b/sound/pci/ctxfi/cthw20k1.c
@@ -1785,6 +1785,8 @@ static int hw_have_digit_io_switch(struct hw *hw)
                                 || ((subsys_id & 0xf000) == 0x6000));
 }
 
+#define CTLBITS(a, b, c, d)     (((a) << 24) | ((b) << 16) | ((c) << 8) | (d))
+
 #define UAA_CFG_PWRSTATUS       0x44
 #define UAA_CFG_SPACE_FLAG      0xA0
 #define UAA_CORE_CHANGE         0x3FFC
@@ -1792,12 +1794,18 @@ static int uaa_to_xfi(struct pci_dev *pci)
 {
         unsigned int bar0, bar1, bar2, bar3, bar4, bar5;
         unsigned int cmd, irq, cl_size, l_timer, pwr;
-        unsigned int CTLA, CTLZ, CTLL, CTLX, CTL_, CTLF, CTLi;
         unsigned int is_uaa = 0;
         unsigned int data[4] = {0};
         unsigned int io_base;
         void *mem_base;
         int i = 0;
+        const u32 CTLX = CTLBITS('C', 'T', 'L', 'X');
+        const u32 CTL_ = CTLBITS('C', 'T', 'L', '-');
+        const u32 CTLF = CTLBITS('C', 'T', 'L', 'F');
+        const u32 CTLi = CTLBITS('C', 'T', 'L', 'i');
+        const u32 CTLA = CTLBITS('C', 'T', 'L', 'A');
+        const u32 CTLZ = CTLBITS('C', 'T', 'L', 'Z');
+        const u32 CTLL = CTLBITS('C', 'T', 'L', 'L');
 
         /* By default, Hendrix card UAA Bar0 should be using memory... */
         io_base = pci_resource_start(pci, 0);
@@ -1805,14 +1813,6 @@ static int uaa_to_xfi(struct pci_dev *pci)
         if (NULL == mem_base)
                 return -ENOENT;
 
-        CTLX = ___constant_swab32(*((unsigned int *)"CTLX"));
-        CTL_ = ___constant_swab32(*((unsigned int *)"CTL-"));
-        CTLF = ___constant_swab32(*((unsigned int *)"CTLF"));
-        CTLi = ___constant_swab32(*((unsigned int *)"CTLi"));
-        CTLA = ___constant_swab32(*((unsigned int *)"CTLA"));
-        CTLZ = ___constant_swab32(*((unsigned int *)"CTLZ"));
-        CTLL = ___constant_swab32(*((unsigned int *)"CTLL"));
-
         /* Read current mode from Mode Change Register */
         for (i = 0; i < 4; i++)
                 data[i] = readl(mem_base + UAA_CORE_CHANGE);