diff options
Diffstat (limited to 'sound/core/pcm_misc.c')
| -rw-r--r-- | sound/core/pcm_misc.c | 35 |
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; |