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 = {},
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;
}
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;
}
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;
}
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;
}
*/
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);
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;