diff options
Diffstat (limited to 'sound/ppc/tumbler.c')
| -rw-r--r-- | sound/ppc/tumbler.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/sound/ppc/tumbler.c b/sound/ppc/tumbler.c index 84f6b19c07ca..cdff53e4a17e 100644 --- a/sound/ppc/tumbler.c +++ b/sound/ppc/tumbler.c @@ -190,7 +190,7 @@ static int check_audio_gpio(struct pmac_gpio *gp) ret = do_gpio_read(gp); - return (ret & 0xd) == (gp->active_val & 0xd); + return (ret & 0x1) == (gp->active_val & 0x1); } static int read_audio_gpio(struct pmac_gpio *gp) @@ -198,7 +198,8 @@ static int read_audio_gpio(struct pmac_gpio *gp) int ret; if (! gp->addr) return 0; - ret = ((do_gpio_read(gp) & 0x02) !=0); + ret = do_gpio_read(gp); + ret = (ret & 0x02) !=0; return ret == gp->active_state; } @@ -1035,7 +1036,7 @@ static struct device_node *find_audio_device(const char *name) return NULL; for (np = np->child; np; np = np->sibling) { - char *property = get_property(np, "audio-gpio", NULL); + const char *property = get_property(np, "audio-gpio", NULL); if (property && strcmp(property, name) == 0) return np; } @@ -1062,7 +1063,8 @@ static long tumbler_find_device(const char *device, const char *platform, struct pmac_gpio *gp, int is_compatible) { struct device_node *node; - u32 *base, addr; + const u32 *base; + u32 addr; if (is_compatible) node = find_compatible_audio_device(device); @@ -1074,9 +1076,9 @@ static long tumbler_find_device(const char *device, const char *platform, return -ENODEV; } - base = (u32 *)get_property(node, "AAPL,address", NULL); + base = get_property(node, "AAPL,address", NULL); if (! base) { - base = (u32 *)get_property(node, "reg", NULL); + base = get_property(node, "reg", NULL); if (!base) { DBG("(E) cannot find address for device %s !\n", device); snd_printd("cannot find address for device %s\n", device); @@ -1090,13 +1092,13 @@ static long tumbler_find_device(const char *device, const char *platform, gp->addr = addr & 0x0000ffff; /* Try to find the active state, default to 0 ! */ - base = (u32 *)get_property(node, "audio-gpio-active-state", NULL); + base = get_property(node, "audio-gpio-active-state", NULL); if (base) { gp->active_state = *base; gp->active_val = (*base) ? 0x5 : 0x4; gp->inactive_val = (*base) ? 0x4 : 0x5; } else { - u32 *prop = NULL; + const u32 *prop = NULL; gp->active_state = 0; gp->active_val = 0x4; gp->inactive_val = 0x5; @@ -1105,7 +1107,7 @@ static long tumbler_find_device(const char *device, const char *platform, * as we don't yet have an interpreter for these things */ if (platform) - prop = (u32 *)get_property(node, platform, NULL); + prop = get_property(node, platform, NULL); if (prop) { if (prop[3] == 0x9 && prop[4] == 0x9) { gp->active_val = 0xd; |