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ALSA: kernel docs: fix sound/core/ kernel-doc

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Add kernel-doc function short descriptions to sound/core functions that
are missing this short description.  Mostly this involves moving some of
the function description onto the @funcname line.

Also correct a few variable names and fix other kernel-doc notation.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Randy Dunlap 2008-10-15 14:38:40 -07:00 committed by Takashi Iwai
parent 9a3f371e99
commit 1c85cc6445
2 changed files with 32 additions and 40 deletions
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48
sound/core/pcm_lib.c
View file

@ -908,12 +908,12 @@ int snd_pcm_hw_rule_add(struct snd_pcm_runtime *runtime, unsigned int cond,
EXPORT_SYMBOL(snd_pcm_hw_rule_add);
/**
* snd_pcm_hw_constraint_mask
* snd_pcm_hw_constraint_mask - apply the given bitmap mask constraint
* @runtime: PCM runtime instance
* @var: hw_params variable to apply the mask
* @mask: the bitmap mask
*
* Apply the constraint of the given bitmap mask to a mask parameter.
* Apply the constraint of the given bitmap mask to a 32-bit mask parameter.
*/
int snd_pcm_hw_constraint_mask(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,
u_int32_t mask)
@ -928,12 +928,12 @@ int snd_pcm_hw_constraint_mask(struct snd_pcm_runtime *runtime, snd_pcm_hw_param
}
/**
* snd_pcm_hw_constraint_mask64
* snd_pcm_hw_constraint_mask64 - apply the given bitmap mask constraint
* @runtime: PCM runtime instance
* @var: hw_params variable to apply the mask
* @mask: the 64bit bitmap mask
*
* Apply the constraint of the given bitmap mask to a mask parameter.
* Apply the constraint of the given bitmap mask to a 64-bit mask parameter.
*/
int snd_pcm_hw_constraint_mask64(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,
u_int64_t mask)
@ -949,7 +949,7 @@ int snd_pcm_hw_constraint_mask64(struct snd_pcm_runtime *runtime, snd_pcm_hw_par
}
/**
* snd_pcm_hw_constraint_integer
* snd_pcm_hw_constraint_integer - apply an integer constraint to an interval
* @runtime: PCM runtime instance
* @var: hw_params variable to apply the integer constraint
*
@ -964,7 +964,7 @@ int snd_pcm_hw_constraint_integer(struct snd_pcm_runtime *runtime, snd_pcm_hw_pa
EXPORT_SYMBOL(snd_pcm_hw_constraint_integer);
/**
* snd_pcm_hw_constraint_minmax
* snd_pcm_hw_constraint_minmax - apply a min/max range constraint to an interval
* @runtime: PCM runtime instance
* @var: hw_params variable to apply the range
* @min: the minimal value
@ -995,7 +995,7 @@ static int snd_pcm_hw_rule_list(struct snd_pcm_hw_params *params,
/**
* snd_pcm_hw_constraint_list
* snd_pcm_hw_constraint_list - apply a list of constraints to a parameter
* @runtime: PCM runtime instance
* @cond: condition bits
* @var: hw_params variable to apply the list constraint
@ -1031,7 +1031,7 @@ static int snd_pcm_hw_rule_ratnums(struct snd_pcm_hw_params *params,
}
/**
* snd_pcm_hw_constraint_ratnums
* snd_pcm_hw_constraint_ratnums - apply ratnums constraint to a parameter
* @runtime: PCM runtime instance
* @cond: condition bits
* @var: hw_params variable to apply the ratnums constraint
@ -1064,7 +1064,7 @@ static int snd_pcm_hw_rule_ratdens(struct snd_pcm_hw_params *params,
}
/**
* snd_pcm_hw_constraint_ratdens
* snd_pcm_hw_constraint_ratdens - apply ratdens constraint to a parameter
* @runtime: PCM runtime instance
* @cond: condition bits
* @var: hw_params variable to apply the ratdens constraint
@ -1095,7 +1095,7 @@ static int snd_pcm_hw_rule_msbits(struct snd_pcm_hw_params *params,
}
/**
* snd_pcm_hw_constraint_msbits
* snd_pcm_hw_constraint_msbits - add a hw constraint msbits rule
* @runtime: PCM runtime instance
* @cond: condition bits
* @width: sample bits width
@ -1123,7 +1123,7 @@ static int snd_pcm_hw_rule_step(struct snd_pcm_hw_params *params,
}
/**
* snd_pcm_hw_constraint_step
* snd_pcm_hw_constraint_step - add a hw constraint step rule
* @runtime: PCM runtime instance
* @cond: condition bits
* @var: hw_params variable to apply the step constraint
@ -1154,7 +1154,7 @@ static int snd_pcm_hw_rule_pow2(struct snd_pcm_hw_params *params, struct snd_pcm
}
/**
* snd_pcm_hw_constraint_pow2
* snd_pcm_hw_constraint_pow2 - add a hw constraint power-of-2 rule
* @runtime: PCM runtime instance
* @cond: condition bits
* @var: hw_params variable to apply the power-of-2 constraint
@ -1202,13 +1202,13 @@ void _snd_pcm_hw_params_any(struct snd_pcm_hw_params *params)
EXPORT_SYMBOL(_snd_pcm_hw_params_any);
/**
* snd_pcm_hw_param_value
* snd_pcm_hw_param_value - return @params field @var value
* @params: the hw_params instance
* @var: parameter to retrieve
* @dir: pointer to the direction (-1,0,1) or NULL
* @dir: pointer to the direction (-1,0,1) or %NULL
*
* Return the value for field PAR if it's fixed in configuration space
* defined by PARAMS. Return -EINVAL otherwise
* Return the value for field @var if it's fixed in configuration space
* defined by @params. Return -%EINVAL otherwise.
*/
int snd_pcm_hw_param_value(const struct snd_pcm_hw_params *params,
snd_pcm_hw_param_t var, int *dir)
@ -1271,13 +1271,13 @@ static int _snd_pcm_hw_param_first(struct snd_pcm_hw_params *params,
/**
* snd_pcm_hw_param_first
* snd_pcm_hw_param_first - refine config space and return minimum value
* @pcm: PCM instance
* @params: the hw_params instance
* @var: parameter to retrieve
* @dir: pointer to the direction (-1,0,1) or NULL
* @dir: pointer to the direction (-1,0,1) or %NULL
*
* Inside configuration space defined by PARAMS remove from PAR all
* Inside configuration space defined by @params remove from @var all
* values > minimum. Reduce configuration space accordingly.
* Return the minimum.
*/
@ -1317,13 +1317,13 @@ static int _snd_pcm_hw_param_last(struct snd_pcm_hw_params *params,
/**
* snd_pcm_hw_param_last
* snd_pcm_hw_param_last - refine config space and return maximum value
* @pcm: PCM instance
* @params: the hw_params instance
* @var: parameter to retrieve
* @dir: pointer to the direction (-1,0,1) or NULL
* @dir: pointer to the direction (-1,0,1) or %NULL
*
* Inside configuration space defined by PARAMS remove from PAR all
* Inside configuration space defined by @params remove from @var all
* values < maximum. Reduce configuration space accordingly.
* Return the maximum.
*/
@ -1345,11 +1345,11 @@ int snd_pcm_hw_param_last(struct snd_pcm_substream *pcm,
EXPORT_SYMBOL(snd_pcm_hw_param_last);
/**
* snd_pcm_hw_param_choose
* snd_pcm_hw_param_choose - choose a configuration defined by @params
* @pcm: PCM instance
* @params: the hw_params instance
*
* Choose one configuration from configuration space defined by PARAMS
* Choose one configuration from configuration space defined by @params.
* The configuration chosen is that obtained fixing in this order:
* first access, first format, first subformat, min channels,
* min rate, min period time, max buffer size, min tick time

24
sound/core/pcm_native.c
View file

@ -875,10 +875,8 @@ static struct action_ops snd_pcm_action_start = {
};
/**
* snd_pcm_start
* snd_pcm_start - start all linked streams
* @substream: the PCM substream instance
*
* Start all linked streams.
*/
int snd_pcm_start(struct snd_pcm_substream *substream)
{
@ -926,12 +924,11 @@ static struct action_ops snd_pcm_action_stop = {
};
/**
* snd_pcm_stop
* snd_pcm_stop - try to stop all running streams in the substream group
* @substream: the PCM substream instance
* @state: PCM state after stopping the stream
*
* Try to stop all running streams in the substream group.
* The state of each stream is changed to the given value after that unconditionally.
* The state of each stream is then changed to the given state unconditionally.
*/
int snd_pcm_stop(struct snd_pcm_substream *substream, int state)
{
@ -941,11 +938,10 @@ int snd_pcm_stop(struct snd_pcm_substream *substream, int state)
EXPORT_SYMBOL(snd_pcm_stop);
/**
* snd_pcm_drain_done
* snd_pcm_drain_done - stop the DMA only when the given stream is playback
* @substream: the PCM substream
*
* Stop the DMA only when the given stream is playback.
* The state is changed to SETUP.
* After stopping, the state is changed to SETUP.
* Unlike snd_pcm_stop(), this affects only the given stream.
*/
int snd_pcm_drain_done(struct snd_pcm_substream *substream)
@ -1065,10 +1061,9 @@ static struct action_ops snd_pcm_action_suspend = {
};
/**
* snd_pcm_suspend
* snd_pcm_suspend - trigger SUSPEND to all linked streams
* @substream: the PCM substream
*
* Trigger SUSPEND to all linked streams.
* After this call, all streams are changed to SUSPENDED state.
*/
int snd_pcm_suspend(struct snd_pcm_substream *substream)
@ -1088,10 +1083,9 @@ int snd_pcm_suspend(struct snd_pcm_substream *substream)
EXPORT_SYMBOL(snd_pcm_suspend);
/**
* snd_pcm_suspend_all
* snd_pcm_suspend_all - trigger SUSPEND to all substreams in the given pcm
* @pcm: the PCM instance
*
* Trigger SUSPEND to all substreams in the given pcm.
* After this call, all streams are changed to SUSPENDED state.
*/
int snd_pcm_suspend_all(struct snd_pcm *pcm)
@ -1313,11 +1307,9 @@ static struct action_ops snd_pcm_action_prepare = {
};
/**
* snd_pcm_prepare
* snd_pcm_prepare - prepare the PCM substream to be triggerable
* @substream: the PCM substream instance
* @file: file to refer f_flags
*
* Prepare the PCM substream to be triggerable.
*/
static int snd_pcm_prepare(struct snd_pcm_substream *substream,
struct file *file)