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ALSA: firewire-lib: fix kerneldoc errors

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Complete missing parameters, correct wrong reference, and add an explaination
about the differences between the latest specification and our implementation.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Sakamoto 2014-11-18 23:59:40 +09:00 committed by Takashi Iwai
parent 1ea7a568c6
commit 5f217f905b
2 changed files with 24 additions and 2 deletions
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24
sound/firewire/amdtp.h
View File

@ -23,7 +23,7 @@
* corresponds to the end of event in the packet. Out of IEC 61883.
* @CIP_WRONG_DBS: Only for in-stream. The value of dbs is wrong in in-packets.
* The value of data_block_quadlets is used instead of reported value.
* @SKIP_DBC_ZERO_CHECK: Only for in-stream. Packets with zero in dbc is
* @CIP_SKIP_DBC_ZERO_CHECK: Only for in-stream. Packets with zero in dbc is
* skipped for detecting discontinuity.
* @CIP_SKIP_INIT_DBC_CHECK: Only for in-stream. The value of dbc in first
* packet is not continuous from an initial value.
@ -43,7 +43,27 @@ enum cip_flags {
};
/**
* enum cip_sfc - a stream's sample rate
* enum cip_sfc - supported Sampling Frequency Codes (SFCs)
* @CIP_SFC_32000: 32,000 data blocks
* @CIP_SFC_44100: 44,100 data blocks
* @CIP_SFC_48000: 48,000 data blocks
* @CIP_SFC_88200: 88,200 data blocks
* @CIP_SFC_96000: 96,000 data blocks
* @CIP_SFC_176400: 176,400 data blocks
* @CIP_SFC_192000: 192,000 data blocks
* @CIP_SFC_COUNT: the number of supported SFCs
*
* These values are used to show nominal Sampling Frequency Code in
* Format Dependent Field (FDF) of AMDTP packet header. In IEC 61883-6:2002,
* this code means the number of events per second. Actually the code
* represents the number of data blocks transferred per second in an AMDTP
* stream.
*
* In IEC 61883-6:2005, some extensions were added to support more types of
* data such as 'One Bit LInear Audio', therefore the meaning of SFC became
* different depending on the types.
*
* Currently our implementation is compatible with IEC 61883-6:2002.
*/
enum cip_sfc {
CIP_SFC_32000 = 0,

2
sound/firewire/cmp.c
View File

@ -114,6 +114,7 @@ static int pcr_modify(struct cmp_connection *c,
* cmp_connection_init - initializes a connection manager
* @c: the connection manager to initialize
* @unit: a unit of the target device
* @direction: input or output
* @pcr_index: the index of the iPCR/oPCR on the target device
*/
int cmp_connection_init(struct cmp_connection *c,
@ -154,6 +155,7 @@ EXPORT_SYMBOL(cmp_connection_init);
/**
* cmp_connection_check_used - check connection is already esablished or not
* @c: the connection manager to be checked
* @used: the pointer to store the result of checking the connection
*/
int cmp_connection_check_used(struct cmp_connection *c, bool *used)
{