return val;
}
+EXPORT_SYMBOL(snd_pcm_format_signed);
+
/**
* snd_pcm_format_unsigned - Check the PCM format is unsigned linear
* @format: the format to check
return !val;
}
+EXPORT_SYMBOL(snd_pcm_format_unsigned);
+
/**
* snd_pcm_format_linear - Check the PCM format is linear
* @format: the format to check
return snd_pcm_format_signed(format) >= 0;
}
+EXPORT_SYMBOL(snd_pcm_format_linear);
+
/**
* snd_pcm_format_little_endian - Check the PCM format is little-endian
* @format: the format to check
return val;
}
+EXPORT_SYMBOL(snd_pcm_format_little_endian);
+
/**
* snd_pcm_format_big_endian - Check the PCM format is big-endian
* @format: the format to check
return !val;
}
+EXPORT_SYMBOL(snd_pcm_format_big_endian);
+
/**
* snd_pcm_format_width - return the bit-width of the format
* @format: the format to check
return val;
}
+EXPORT_SYMBOL(snd_pcm_format_width);
+
/**
* snd_pcm_format_physical_width - return the physical bit-width of the format
* @format: the format to check
return val;
}
+EXPORT_SYMBOL(snd_pcm_format_physical_width);
+
/**
* snd_pcm_format_size - return the byte size of samples on the given format
* @format: the format to check
return samples * phys_width / 8;
}
+EXPORT_SYMBOL(snd_pcm_format_size);
+
/**
* snd_pcm_format_silence_64 - return the silent data in 8 bytes array
* @format: the format to check
return pcm_formats[format].silence;
}
+EXPORT_SYMBOL(snd_pcm_format_silence_64);
+
/**
* snd_pcm_format_set_silence - set the silence data on the buffer
* @format: the PCM format
return 0;
}
-/* [width][unsigned][bigendian] */
-static int linear_formats[4][2][2] = {
- {{ SNDRV_PCM_FORMAT_S8, SNDRV_PCM_FORMAT_S8},
- { SNDRV_PCM_FORMAT_U8, SNDRV_PCM_FORMAT_U8}},
- {{SNDRV_PCM_FORMAT_S16_LE, SNDRV_PCM_FORMAT_S16_BE},
- {SNDRV_PCM_FORMAT_U16_LE, SNDRV_PCM_FORMAT_U16_BE}},
- {{SNDRV_PCM_FORMAT_S24_LE, SNDRV_PCM_FORMAT_S24_BE},
- {SNDRV_PCM_FORMAT_U24_LE, SNDRV_PCM_FORMAT_U24_BE}},
- {{SNDRV_PCM_FORMAT_S32_LE, SNDRV_PCM_FORMAT_S32_BE},
- {SNDRV_PCM_FORMAT_U32_LE, SNDRV_PCM_FORMAT_U32_BE}}
-};
-
-/**
- * snd_pcm_build_linear_format - return the suitable linear format for the given condition
- * @width: the bit-width
- * @unsignd: 1 if unsigned, 0 if signed.
- * @big_endian: 1 if big-endian, 0 if little-endian
- *
- * Returns the suitable linear format for the given condition.
- */
-snd_pcm_format_t snd_pcm_build_linear_format(int width, int unsignd, int big_endian)
-{
- if (width & 7)
- return SND_PCM_FORMAT_UNKNOWN;
- width = (width / 8) - 1;
- if (width < 0 || width >= 4)
- return SND_PCM_FORMAT_UNKNOWN;
- return linear_formats[width][!!unsignd][!!big_endian];
-}
+EXPORT_SYMBOL(snd_pcm_format_set_silence);
/**
* snd_pcm_limit_hw_rates - determine rate_min/rate_max fields
*
* Returns zero if successful.
*/
-int snd_pcm_limit_hw_rates(snd_pcm_runtime_t *runtime)
+int snd_pcm_limit_hw_rates(struct snd_pcm_runtime *runtime)
{
static unsigned rates[] = {
/* ATTENTION: these values depend on the definition in pcm.h! */
}
return 0;
}
+
+EXPORT_SYMBOL(snd_pcm_limit_hw_rates);