diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/core/pcm_lib.c | 117 | ||||
| -rw-r--r-- | sound/core/pcm_memory.c | 2 | ||||
| -rw-r--r-- | sound/core/pcm_native.c | 9 | ||||
| -rw-r--r-- | sound/core/rawmidi.c | 2 |
4 files changed, 124 insertions, 6 deletions
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index 0082914a7e3..0503980c23d 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -524,6 +524,9 @@ void snd_interval_mul(const snd_interval_t *a, const snd_interval_t *b, snd_inte /** * snd_interval_div - refine the interval value with division + * @a: dividend + * @b: divisor + * @c: quotient * * c = a / b * @@ -555,7 +558,11 @@ void snd_interval_div(const snd_interval_t *a, const snd_interval_t *b, snd_inte /** * snd_interval_muldivk - refine the interval value - * + * @a: dividend 1 + * @b: dividend 2 + * @k: divisor (as integer) + * @c: result + * * c = a * b / k * * Returns non-zero if the value is changed, zero if not changed. @@ -582,6 +589,10 @@ void snd_interval_muldivk(const snd_interval_t *a, const snd_interval_t *b, /** * snd_interval_mulkdiv - refine the interval value + * @a: dividend 1 + * @k: dividend 2 (as integer) + * @b: divisor + * @c: result * * c = a * k / b * @@ -618,6 +629,11 @@ void snd_interval_mulkdiv(const snd_interval_t *a, unsigned int k, /** * snd_interval_ratnum - refine the interval value + * @i: interval to refine + * @rats_count: number of ratnum_t + * @rats: ratnum_t array + * @nump: pointer to store the resultant numerator + * @denp: pointer to store the resultant denominator * * Returns non-zero if the value is changed, zero if not changed. */ @@ -715,6 +731,11 @@ int snd_interval_ratnum(snd_interval_t *i, /** * snd_interval_ratden - refine the interval value + * @i: interval to refine + * @rats_count: number of ratden_t + * @rats: ratden_t array + * @nump: pointer to store the resultant numerator + * @denp: pointer to store the resultant denominator * * Returns non-zero if the value is changed, zero if not changed. */ @@ -936,6 +957,11 @@ int snd_pcm_hw_rule_add(snd_pcm_runtime_t *runtime, unsigned int cond, /** * snd_pcm_hw_constraint_mask + * @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. */ int snd_pcm_hw_constraint_mask(snd_pcm_runtime_t *runtime, snd_pcm_hw_param_t var, u_int32_t mask) @@ -951,6 +977,11 @@ int snd_pcm_hw_constraint_mask(snd_pcm_runtime_t *runtime, snd_pcm_hw_param_t va /** * snd_pcm_hw_constraint_mask64 + * @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. */ int snd_pcm_hw_constraint_mask64(snd_pcm_runtime_t *runtime, snd_pcm_hw_param_t var, u_int64_t mask) @@ -967,6 +998,10 @@ int snd_pcm_hw_constraint_mask64(snd_pcm_runtime_t *runtime, snd_pcm_hw_param_t /** * snd_pcm_hw_constraint_integer + * @runtime: PCM runtime instance + * @var: hw_params variable to apply the integer constraint + * + * Apply the constraint of integer to an interval parameter. */ int snd_pcm_hw_constraint_integer(snd_pcm_runtime_t *runtime, snd_pcm_hw_param_t var) { @@ -976,6 +1011,12 @@ int snd_pcm_hw_constraint_integer(snd_pcm_runtime_t *runtime, snd_pcm_hw_param_t /** * snd_pcm_hw_constraint_minmax + * @runtime: PCM runtime instance + * @var: hw_params variable to apply the range + * @min: the minimal value + * @max: the maximal value + * + * Apply the min/max range constraint to an interval parameter. */ int snd_pcm_hw_constraint_minmax(snd_pcm_runtime_t *runtime, snd_pcm_hw_param_t var, unsigned int min, unsigned int max) @@ -999,6 +1040,12 @@ static int snd_pcm_hw_rule_list(snd_pcm_hw_params_t *params, /** * snd_pcm_hw_constraint_list + * @runtime: PCM runtime instance + * @cond: condition bits + * @var: hw_params variable to apply the list constraint + * @l: list + * + * Apply the list of constraints to an interval parameter. */ int snd_pcm_hw_constraint_list(snd_pcm_runtime_t *runtime, unsigned int cond, @@ -1027,6 +1074,10 @@ static int snd_pcm_hw_rule_ratnums(snd_pcm_hw_params_t *params, /** * snd_pcm_hw_constraint_ratnums + * @runtime: PCM runtime instance + * @cond: condition bits + * @var: hw_params variable to apply the ratnums constraint + * @r: ratnums_t constriants */ int snd_pcm_hw_constraint_ratnums(snd_pcm_runtime_t *runtime, unsigned int cond, @@ -1054,6 +1105,10 @@ static int snd_pcm_hw_rule_ratdens(snd_pcm_hw_params_t *params, /** * snd_pcm_hw_constraint_ratdens + * @runtime: PCM runtime instance + * @cond: condition bits + * @var: hw_params variable to apply the ratdens constraint + * @r: ratdens_t constriants */ int snd_pcm_hw_constraint_ratdens(snd_pcm_runtime_t *runtime, unsigned int cond, @@ -1079,6 +1134,10 @@ static int snd_pcm_hw_rule_msbits(snd_pcm_hw_params_t *params, /** * snd_pcm_hw_constraint_msbits + * @runtime: PCM runtime instance + * @cond: condition bits + * @width: sample bits width + * @msbits: msbits width */ int snd_pcm_hw_constraint_msbits(snd_pcm_runtime_t *runtime, unsigned int cond, @@ -1101,6 +1160,10 @@ static int snd_pcm_hw_rule_step(snd_pcm_hw_params_t *params, /** * snd_pcm_hw_constraint_step + * @runtime: PCM runtime instance + * @cond: condition bits + * @var: hw_params variable to apply the step constraint + * @step: step size */ int snd_pcm_hw_constraint_step(snd_pcm_runtime_t *runtime, unsigned int cond, @@ -1126,6 +1189,9 @@ static int snd_pcm_hw_rule_pow2(snd_pcm_hw_params_t *params, snd_pcm_hw_rule_t * /** * snd_pcm_hw_constraint_pow2 + * @runtime: PCM runtime instance + * @cond: condition bits + * @var: hw_params variable to apply the power-of-2 constraint */ int snd_pcm_hw_constraint_pow2(snd_pcm_runtime_t *runtime, unsigned int cond, @@ -1162,7 +1228,7 @@ static void _snd_pcm_hw_param_any(snd_pcm_hw_params_t *params, } #if 0 -/** +/* * snd_pcm_hw_param_any */ int snd_pcm_hw_param_any(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, @@ -1185,7 +1251,7 @@ void _snd_pcm_hw_params_any(snd_pcm_hw_params_t *params) } #if 0 -/** +/* * snd_pcm_hw_params_any * * Fill PARAMS with full configuration space boundaries @@ -1199,6 +1265,9 @@ int snd_pcm_hw_params_any(snd_pcm_t *pcm, snd_pcm_hw_params_t *params) /** * snd_pcm_hw_param_value + * @params: the hw_params instance + * @var: parameter to retrieve + * @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 @@ -1228,6 +1297,9 @@ static int snd_pcm_hw_param_value(const snd_pcm_hw_params_t *params, /** * snd_pcm_hw_param_value_min + * @params: the hw_params instance + * @var: parameter to retrieve + * @dir: pointer to the direction (-1,0,1) or NULL * * Return the minimum value for field PAR. */ @@ -1251,6 +1323,9 @@ unsigned int snd_pcm_hw_param_value_min(const snd_pcm_hw_params_t *params, /** * snd_pcm_hw_param_value_max + * @params: the hw_params instance + * @var: parameter to retrieve + * @dir: pointer to the direction (-1,0,1) or NULL * * Return the maximum value for field PAR. */ @@ -1302,7 +1377,7 @@ int _snd_pcm_hw_param_setinteger(snd_pcm_hw_params_t *params, } #if 0 -/** +/* * snd_pcm_hw_param_setinteger * * Inside configuration space defined by PARAMS remove from PAR all @@ -1347,6 +1422,10 @@ static int _snd_pcm_hw_param_first(snd_pcm_hw_params_t *params, /** * snd_pcm_hw_param_first + * @pcm: PCM instance + * @params: the hw_params instance + * @var: parameter to retrieve + * @dir: pointer to the direction (-1,0,1) or NULL * * Inside configuration space defined by PARAMS remove from PAR all * values > minimum. Reduce configuration space accordingly. @@ -1388,6 +1467,10 @@ static int _snd_pcm_hw_param_last(snd_pcm_hw_params_t *params, /** * snd_pcm_hw_param_last + * @pcm: PCM instance + * @params: the hw_params instance + * @var: parameter to retrieve + * @dir: pointer to the direction (-1,0,1) or NULL * * Inside configuration space defined by PARAMS remove from PAR all * values < maximum. Reduce configuration space accordingly. @@ -1439,6 +1522,11 @@ int _snd_pcm_hw_param_min(snd_pcm_hw_params_t *params, /** * snd_pcm_hw_param_min + * @pcm: PCM instance + * @params: the hw_params instance + * @var: parameter to retrieve + * @val: minimal value + * @dir: pointer to the direction (-1,0,1) or NULL * * Inside configuration space defined by PARAMS remove from PAR all * values < VAL. Reduce configuration space accordingly. @@ -1494,6 +1582,11 @@ static int _snd_pcm_hw_param_max(snd_pcm_hw_params_t *params, /** * snd_pcm_hw_param_max + * @pcm: PCM instance + * @params: the hw_params instance + * @var: parameter to retrieve + * @val: maximal value + * @dir: pointer to the direction (-1,0,1) or NULL * * Inside configuration space defined by PARAMS remove from PAR all * values >= VAL + 1. Reduce configuration space accordingly. @@ -1565,6 +1658,11 @@ int _snd_pcm_hw_param_set(snd_pcm_hw_params_t *params, /** * snd_pcm_hw_param_set + * @pcm: PCM instance + * @params: the hw_params instance + * @var: parameter to retrieve + * @val: value to set + * @dir: pointer to the direction (-1,0,1) or NULL * * Inside configuration space defined by PARAMS remove from PAR all * values != VAL. Reduce configuration space accordingly. @@ -1599,6 +1697,10 @@ static int _snd_pcm_hw_param_mask(snd_pcm_hw_params_t *params, /** * snd_pcm_hw_param_mask + * @pcm: PCM instance + * @params: the hw_params instance + * @var: parameter to retrieve + * @val: mask to apply * * Inside configuration space defined by PARAMS remove from PAR all values * not contained in MASK. Reduce configuration space accordingly. @@ -1671,6 +1773,11 @@ static int boundary_nearer(int min, int mindir, /** * snd_pcm_hw_param_near + * @pcm: PCM instance + * @params: the hw_params instance + * @var: parameter to retrieve + * @best: value to set + * @dir: pointer to the direction (-1,0,1) or NULL * * Inside configuration space defined by PARAMS set PAR to the available value * nearest to VAL. Reduce configuration space accordingly. @@ -1747,6 +1854,8 @@ int snd_pcm_hw_param_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, /** * snd_pcm_hw_param_choose + * @pcm: PCM instance + * @params: the hw_params instance * * Choose one configuration from configuration space defined by PARAMS * The configuration chosen is that obtained fixing in this order: diff --git a/sound/core/pcm_memory.c b/sound/core/pcm_memory.c index 9a174fb9656..5df76738470 100644 --- a/sound/core/pcm_memory.c +++ b/sound/core/pcm_memory.c @@ -244,7 +244,7 @@ int snd_pcm_lib_preallocate_pages(snd_pcm_substream_t *substream, /** * snd_pcm_lib_preallocate_pages_for_all - pre-allocation for continous memory type (all substreams) - * @substream: the pcm substream instance + * @pcm: the pcm instance * @type: DMA type (SNDRV_DMA_TYPE_*) * @data: DMA type dependant data * @size: the requested pre-allocation size in bytes diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 03c17159dd8..b829a272755 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -859,6 +859,7 @@ static struct action_ops snd_pcm_action_start = { /** * snd_pcm_start + * @substream: the PCM substream instance * * Start all linked streams. */ @@ -908,6 +909,8 @@ static struct action_ops snd_pcm_action_stop = { /** * snd_pcm_stop + * @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. @@ -919,6 +922,7 @@ int snd_pcm_stop(snd_pcm_substream_t *substream, int state) /** * snd_pcm_drain_done + * @substream: the PCM substream * * Stop the DMA only when the given stream is playback. * The state is changed to SETUP. @@ -1040,6 +1044,7 @@ static struct action_ops snd_pcm_action_suspend = { /** * snd_pcm_suspend + * @substream: the PCM substream * * Trigger SUSPEND to all linked streams. * After this call, all streams are changed to SUSPENDED state. @@ -1057,6 +1062,7 @@ int snd_pcm_suspend(snd_pcm_substream_t *substream) /** * snd_pcm_suspend_all + * @pcm: the PCM instance * * Trigger SUSPEND to all substreams in the given pcm. * After this call, all streams are changed to SUSPENDED state. @@ -1272,6 +1278,9 @@ static struct action_ops snd_pcm_action_prepare = { /** * snd_pcm_prepare + * @substream: the PCM substream instance + * + * Prepare the PCM substream to be triggerable. */ int snd_pcm_prepare(snd_pcm_substream_t *substream) { diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c index d705ec79429..4f4b4101b2f 100644 --- a/sound/core/rawmidi.c +++ b/sound/core/rawmidi.c @@ -1109,7 +1109,7 @@ int snd_rawmidi_transmit_ack(snd_rawmidi_substream_t * substream, int count) /** * snd_rawmidi_transmit - copy from the buffer to the device * @substream: the rawmidi substream - * @buf: the buffer pointer + * @buffer: the buffer pointer * @count: the data size to transfer * * Copies data from the buffer to the device and advances the pointer. |