diff options
Diffstat (limited to 'include/sound/asound.h')
| -rw-r--r-- | include/sound/asound.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/include/sound/asound.h b/include/sound/asound.h index 3eaf155b850d..0309da2f11d3 100644 --- a/include/sound/asound.h +++ b/include/sound/asound.h @@ -302,6 +302,8 @@ typedef int __bitwise snd_pcm_hw_param_t; #define SNDRV_PCM_HW_PARAM_SUBFORMAT ((__force snd_pcm_hw_param_t) 2) /* Subformat */ #define SNDRV_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_ACCESS #define SNDRV_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_SUBFORMAT +#define SNDRV_PCM_HW_PARAM_MASK_INDEX(var) \ + ((__force int)(var) - (__force int)SNDRV_PCM_HW_PARAM_FIRST_MASK) #define SNDRV_PCM_HW_PARAM_SAMPLE_BITS ((__force snd_pcm_hw_param_t) 8) /* Bits per sample */ #define SNDRV_PCM_HW_PARAM_FRAME_BITS ((__force snd_pcm_hw_param_t) 9) /* Bits per frame */ @@ -317,6 +319,8 @@ typedef int __bitwise snd_pcm_hw_param_t; #define SNDRV_PCM_HW_PARAM_TICK_TIME ((__force snd_pcm_hw_param_t) 19) /* Approx tick duration in us */ #define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_SAMPLE_BITS #define SNDRV_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_TICK_TIME +#define SNDRV_PCM_HW_PARAM_INTERVAL_INDEX(var) \ + ((__force int)(var) - (__force int)SNDRV_PCM_HW_PARAM_FIRST_INTERVAL) #define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */ @@ -336,11 +340,11 @@ struct snd_mask { struct snd_pcm_hw_params { unsigned int flags; - struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - - SNDRV_PCM_HW_PARAM_FIRST_MASK + 1]; + struct snd_mask masks[ + SNDRV_PCM_HW_PARAM_MASK_INDEX(SNDRV_PCM_HW_PARAM_LAST_MASK) + 1]; struct snd_mask mres[5]; /* reserved masks */ - struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - - SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1]; + struct snd_interval intervals[ + SNDRV_PCM_HW_PARAM_INTERVAL_INDEX(SNDRV_PCM_HW_PARAM_LAST_INTERVAL) + 1]; struct snd_interval ires[9]; /* reserved intervals */ unsigned int rmask; /* W: requested masks */ unsigned int cmask; /* R: changed masks */ |