sound/core/pcm_iec958.c

14  * @cs: channel status buffer, at least four bytes
17  * Create the consumer format channel status data in @cs of maximum size
29 int snd_pcm_create_iec958_consumer_default(u8 *cs, size_t len)
34 	memset(cs, 0, len);
36 	cs[0] = IEC958_AES0_CON_NOT_COPYRIGHT | IEC958_AES0_CON_EMPHASIS_NONE;
37 	cs[1] = IEC958_AES1_CON_GENERAL;
38 	cs[2] = IEC958_AES2_CON_SOURCE_UNSPEC | IEC958_AES2_CON_CHANNEL_UNSPEC;
39 	cs[3] = IEC958_AES3_CON_CLOCK_1000PPM | IEC958_AES3_CON_FS_NOTID;
42 		cs[4] = IEC958_AES4_CON_WORDLEN_NOTID;
49 				u8 *cs, size_t len)
54 	if ((cs[3] & IEC958_AES3_CON_FS) == IEC958_AES3_CON_FS_NOTID) {
83 		cs[3] &= ~IEC958_AES3_CON_FS;
84 		cs[3] |= fs;
88 	    (cs[4] & IEC958_AES4_CON_WORDLEN) == IEC958_AES4_CON_WORDLEN_NOTID) {
112 		cs[4] &= ~IEC958_AES4_CON_WORDLEN;
113 		cs[4] |= ws;
122  * @cs: channel status buffer, at least four bytes
134 				 u8 *cs, size_t len)
138 				    cs, len);
145  * @cs: channel status buffer, at least four bytes
157 					   u8 *cs, size_t len)
159 	return fill_iec958_consumer(params_rate(params), params_width(params), cs, len);
166  * @cs: channel status buffer, at least four bytes
169  * Create the consumer format channel status data in @cs of maximum size
176 int snd_pcm_create_iec958_consumer(struct snd_pcm_runtime *runtime, u8 *cs,
181 	ret = snd_pcm_create_iec958_consumer_default(cs, len);
185 	return snd_pcm_fill_iec958_consumer(runtime, cs, len);
192  * @cs: channel status buffer, at least four bytes
195  * Create the consumer format channel status data in @cs of maximum size
203 					     u8 *cs, size_t len)
207 	ret = snd_pcm_create_iec958_consumer_default(cs, len);
211 	return fill_iec958_consumer(params_rate(params), params_width(params), cs, len);