diff options
| author | Takashi Iwai <tiwai@suse.de> | 2009-06-05 17:40:04 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-06-05 17:45:17 +0200 |
| commit | 3f7440a6b771169e1f11fa582e53a4259b682809 (patch) | |
| tree | 4d91c07abf4269de4f681b821b594f5ad3d4f79a /sound/pci | |
| parent | 3218911f839b6c85acbf872ad264ea69aa4d89ad (diff) | |
ALSA: Clean up 64bit division functions
Replace the house-made div64_32() with the standard div_u64*() functions.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/rme9652/hdsp.c | 7 | ||||
| -rw-r--r-- | sound/pci/rme9652/hdspm.c | 4 |
2 files changed, 5 insertions, 6 deletions
diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c index 314e73531bd..bcfdbb5ebc4 100644 --- a/sound/pci/rme9652/hdsp.c +++ b/sound/pci/rme9652/hdsp.c @@ -28,6 +28,7 @@ #include <linux/pci.h> #include <linux/firmware.h> #include <linux/moduleparam.h> +#include <linux/math64.h> #include <sound/core.h> #include <sound/control.h> @@ -1047,7 +1048,6 @@ static int hdsp_set_interrupt_interval(struct hdsp *s, unsigned int frames) static void hdsp_set_dds_value(struct hdsp *hdsp, int rate) { u64 n; - u32 r; if (rate >= 112000) rate /= 4; @@ -1055,7 +1055,7 @@ static void hdsp_set_dds_value(struct hdsp *hdsp, int rate) rate /= 2; n = DDS_NUMERATOR; - div64_32(&n, rate, &r); + n = div_u64(n, rate); /* n should be less than 2^32 for being written to FREQ register */ snd_BUG_ON(n >> 32); /* HDSP_freqReg and HDSP_resetPointer are the same, so keep the DDS @@ -3097,7 +3097,6 @@ static int snd_hdsp_get_adat_sync_check(struct snd_kcontrol *kcontrol, struct sn static int hdsp_dds_offset(struct hdsp *hdsp) { u64 n; - u32 r; unsigned int dds_value = hdsp->dds_value; int system_sample_rate = hdsp->system_sample_rate; @@ -3109,7 +3108,7 @@ static int hdsp_dds_offset(struct hdsp *hdsp) * dds_value = n / rate * rate = n / dds_value */ - div64_32(&n, dds_value, &r); + n = div_u64(n, dds_value); if (system_sample_rate >= 112000) n *= 4; else if (system_sample_rate >= 56000) diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c index bac2dc0c5d8..0dce331a2a3 100644 --- a/sound/pci/rme9652/hdspm.c +++ b/sound/pci/rme9652/hdspm.c @@ -29,6 +29,7 @@ #include <linux/moduleparam.h> #include <linux/slab.h> #include <linux/pci.h> +#include <linux/math64.h> #include <asm/io.h> #include <sound/core.h> @@ -831,7 +832,6 @@ static int hdspm_set_interrupt_interval(struct hdspm * s, unsigned int frames) static void hdspm_set_dds_value(struct hdspm *hdspm, int rate) { u64 n; - u32 r; if (rate >= 112000) rate /= 4; @@ -844,7 +844,7 @@ static void hdspm_set_dds_value(struct hdspm *hdspm, int rate) */ /* n = 104857600000000ULL; */ /* = 2^20 * 10^8 */ n = 110100480000000ULL; /* Value checked for AES32 and MADI */ - div64_32(&n, rate, &r); + n = div_u64(n, rate); /* n should be less than 2^32 for being written to FREQ register */ snd_BUG_ON(n >> 32); hdspm_write(hdspm, HDSPM_freqReg, (u32)n); |