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Diffstat (limited to 'sound/core/pcm_misc.c')
-rw-r--r--sound/core/pcm_misc.c35
1 files changed, 19 insertions, 16 deletions
diff --git a/sound/core/pcm_misc.c b/sound/core/pcm_misc.c
index 434af3c56d52..88f02e3866e0 100644
--- a/sound/core/pcm_misc.c
+++ b/sound/core/pcm_misc.c
@@ -35,7 +35,10 @@ struct pcm_format_data {
unsigned char silence[8]; /* silence data to fill */
};
-static struct pcm_format_data pcm_formats[SNDRV_PCM_FORMAT_LAST+1] = {
+/* we do lots of calculations on snd_pcm_format_t; shut up sparse */
+#define INT __force int
+
+static struct pcm_format_data pcm_formats[(INT)SNDRV_PCM_FORMAT_LAST+1] = {
[SNDRV_PCM_FORMAT_S8] = {
.width = 8, .phys = 8, .le = -1, .signd = 1,
.silence = {},
@@ -215,9 +218,9 @@ static struct pcm_format_data pcm_formats[SNDRV_PCM_FORMAT_LAST+1] = {
int snd_pcm_format_signed(snd_pcm_format_t format)
{
int val;
- if (format < 0 || format > SNDRV_PCM_FORMAT_LAST)
+ if ((INT)format < 0 || (INT)format > (INT)SNDRV_PCM_FORMAT_LAST)
return -EINVAL;
- if ((val = pcm_formats[format].signd) < 0)
+ if ((val = pcm_formats[(INT)format].signd) < 0)
return -EINVAL;
return val;
}
@@ -266,9 +269,9 @@ EXPORT_SYMBOL(snd_pcm_format_linear);
int snd_pcm_format_little_endian(snd_pcm_format_t format)
{
int val;
- if (format < 0 || format > SNDRV_PCM_FORMAT_LAST)
+ if ((INT)format < 0 || (INT)format > (INT)SNDRV_PCM_FORMAT_LAST)
return -EINVAL;
- if ((val = pcm_formats[format].le) < 0)
+ if ((val = pcm_formats[(INT)format].le) < 0)
return -EINVAL;
return val;
}
@@ -304,9 +307,9 @@ EXPORT_SYMBOL(snd_pcm_format_big_endian);
int snd_pcm_format_width(snd_pcm_format_t format)
{
int val;
- if (format < 0 || format > SNDRV_PCM_FORMAT_LAST)
+ if ((INT)format < 0 || (INT)format > (INT)SNDRV_PCM_FORMAT_LAST)
return -EINVAL;
- if ((val = pcm_formats[format].width) == 0)
+ if ((val = pcm_formats[(INT)format].width) == 0)
return -EINVAL;
return val;
}
@@ -323,9 +326,9 @@ EXPORT_SYMBOL(snd_pcm_format_width);
int snd_pcm_format_physical_width(snd_pcm_format_t format)
{
int val;
- if (format < 0 || format > SNDRV_PCM_FORMAT_LAST)
+ if ((INT)format < 0 || (INT)format > (INT)SNDRV_PCM_FORMAT_LAST)
return -EINVAL;
- if ((val = pcm_formats[format].phys) == 0)
+ if ((val = pcm_formats[(INT)format].phys) == 0)
return -EINVAL;
return val;
}
@@ -358,11 +361,11 @@ EXPORT_SYMBOL(snd_pcm_format_size);
*/
const unsigned char *snd_pcm_format_silence_64(snd_pcm_format_t format)
{
- if (format < 0 || format > SNDRV_PCM_FORMAT_LAST)
+ if ((INT)format < 0 || (INT)format > (INT)SNDRV_PCM_FORMAT_LAST)
return NULL;
- if (! pcm_formats[format].phys)
+ if (! pcm_formats[(INT)format].phys)
return NULL;
- return pcm_formats[format].silence;
+ return pcm_formats[(INT)format].silence;
}
EXPORT_SYMBOL(snd_pcm_format_silence_64);
@@ -382,16 +385,16 @@ int snd_pcm_format_set_silence(snd_pcm_format_t format, void *data, unsigned int
int width;
unsigned char *dst, *pat;
- if (format < 0 || format > SNDRV_PCM_FORMAT_LAST)
+ if ((INT)format < 0 || (INT)format > (INT)SNDRV_PCM_FORMAT_LAST)
return -EINVAL;
if (samples == 0)
return 0;
- width = pcm_formats[format].phys; /* physical width */
- pat = pcm_formats[format].silence;
+ width = pcm_formats[(INT)format].phys; /* physical width */
+ pat = pcm_formats[(INT)format].silence;
if (! width)
return -EINVAL;
/* signed or 1 byte data */
- if (pcm_formats[format].signd == 1 || width <= 8) {
+ if (pcm_formats[(INT)format].signd == 1 || width <= 8) {
unsigned int bytes = samples * width / 8;
memset(data, *pat, bytes);
return 0;