46 static inline void snd_mask_none(struct snd_mask *mask)  in snd_mask_none()  argument
48 	memset(mask, 0, sizeof(*mask));  in snd_mask_none()
51 static inline void snd_mask_any(struct snd_mask *mask)  in snd_mask_any()  argument
53 	memset(mask, 0xff, SNDRV_MASK_SIZE * sizeof(u_int32_t));  in snd_mask_any()
56 static inline int snd_mask_empty(const struct snd_mask *mask)  in snd_mask_empty()  argument
60 		if (mask->bits[i])  in snd_mask_empty()
65 static inline unsigned int snd_mask_min(const struct snd_mask *mask)  in snd_mask_min()  argument
69 		if (mask->bits[i])  in snd_mask_min()
70 			return __ffs(mask->bits[i]) + (i << 5);  in snd_mask_min()
75 static inline unsigned int snd_mask_max(const struct snd_mask *mask)  in snd_mask_max()  argument
79 		if (mask->bits[i])  in snd_mask_max()
80 			return __fls(mask->bits[i]) + (i << 5);  in snd_mask_max()
85 static inline void snd_mask_set(struct snd_mask *mask, unsigned int val)  in snd_mask_set()  argument
87 	mask->bits[MASK_OFS(val)] |= MASK_BIT(val);  in snd_mask_set()
90 static inline void snd_mask_reset(struct snd_mask *mask, unsigned int val)  in snd_mask_reset()  argument
92 	mask->bits[MASK_OFS(val)] &= ~MASK_BIT(val);  in snd_mask_reset()
95 static inline void snd_mask_set_range(struct snd_mask *mask,  in snd_mask_set_range()  argument
100 		mask->bits[MASK_OFS(i)] |= MASK_BIT(i);  in snd_mask_set_range()
103 static inline void snd_mask_reset_range(struct snd_mask *mask,  in snd_mask_reset_range()  argument
108 		mask->bits[MASK_OFS(i)] &= ~MASK_BIT(i);  in snd_mask_reset_range()
111 static inline void snd_mask_leave(struct snd_mask *mask, unsigned int val)  in snd_mask_leave()  argument
114 	v = mask->bits[MASK_OFS(val)] & MASK_BIT(val);  in snd_mask_leave()
115 	snd_mask_none(mask);  in snd_mask_leave()
116 	mask->bits[MASK_OFS(val)] = v;  in snd_mask_leave()
119 static inline void snd_mask_intersect(struct snd_mask *mask,  in snd_mask_intersect()  argument
124 		mask->bits[i] &= v->bits[i];  in snd_mask_intersect()
127 static inline int snd_mask_eq(const struct snd_mask *mask,  in snd_mask_eq()  argument
130 	return ! memcmp(mask, v, SNDRV_MASK_SIZE * sizeof(u_int32_t));  in snd_mask_eq()
133 static inline void snd_mask_copy(struct snd_mask *mask,  in snd_mask_copy()  argument
136 	*mask = *v;  in snd_mask_copy()
139 static inline int snd_mask_test(const struct snd_mask *mask, unsigned int val)  in snd_mask_test()  argument
141 	return mask->bits[MASK_OFS(val)] & MASK_BIT(val);  in snd_mask_test()
144 static inline int snd_mask_single(const struct snd_mask *mask)  in snd_mask_single()  argument
148 		if (! mask->bits[i])  in snd_mask_single()
150 		if (mask->bits[i] & (mask->bits[i] - 1))  in snd_mask_single()
159 static inline int snd_mask_refine(struct snd_mask *mask,  in snd_mask_refine()  argument
163 	snd_mask_copy(&old, mask);  in snd_mask_refine()
164 	snd_mask_intersect(mask, v);  in snd_mask_refine()
165 	if (snd_mask_empty(mask))  in snd_mask_refine()
167 	return !snd_mask_eq(mask, &old);  in snd_mask_refine()
170 static inline int snd_mask_refine_first(struct snd_mask *mask)  in snd_mask_refine_first()  argument
172 	if (snd_mask_single(mask))  in snd_mask_refine_first()
174 	snd_mask_leave(mask, snd_mask_min(mask));  in snd_mask_refine_first()
178 static inline int snd_mask_refine_last(struct snd_mask *mask)  in snd_mask_refine_last()  argument
180 	if (snd_mask_single(mask))  in snd_mask_refine_last()
182 	snd_mask_leave(mask, snd_mask_max(mask));  in snd_mask_refine_last()
186 static inline int snd_mask_refine_min(struct snd_mask *mask, unsigned int val)  in snd_mask_refine_min()  argument
188 	if (snd_mask_min(mask) >= val)  in snd_mask_refine_min()
190 	snd_mask_reset_range(mask, 0, val - 1);  in snd_mask_refine_min()
191 	if (snd_mask_empty(mask))  in snd_mask_refine_min()
196 static inline int snd_mask_refine_max(struct snd_mask *mask, unsigned int val)  in snd_mask_refine_max()  argument
198 	if (snd_mask_max(mask) <= val)  in snd_mask_refine_max()
200 	snd_mask_reset_range(mask, val + 1, SNDRV_MASK_BITS);  in snd_mask_refine_max()
201 	if (snd_mask_empty(mask))  in snd_mask_refine_max()
206 static inline int snd_mask_refine_set(struct snd_mask *mask, unsigned int val)  in snd_mask_refine_set()  argument
209 	changed = !snd_mask_single(mask);  in snd_mask_refine_set()
210 	snd_mask_leave(mask, val);  in snd_mask_refine_set()
211 	if (snd_mask_empty(mask))  in snd_mask_refine_set()
216 static inline int snd_mask_value(const struct snd_mask *mask)  in snd_mask_value()  argument
218 	return snd_mask_min(mask);  in snd_mask_value()