Table of Contents

snd_printk - printk wrapper

snd_printd - debug printk

snd_assert - run-time assertion macro

snd_printdd - debug printk

register_sound_special_device - register a special sound node

register_sound_mixer - register a mixer device

register_sound_midi - register a midi device

register_sound_dsp - register a DSP device

register_sound_synth - register a synth device

unregister_sound_special - unregister a special sound device

unregister_sound_mixer - unregister a mixer

unregister_sound_midi - unregister a midi device

unregister_sound_dsp - unregister a DSP device

unregister_sound_synth - unregister a synth device

snd_pcm_playback_ready - check whether the playback buffer is available

snd_pcm_capture_ready - check whether the capture buffer is available

snd_pcm_playback_data - check whether any data exists on the playback buffer

snd_pcm_playback_empty - check whether the playback buffer is empty

snd_pcm_capture_empty - check whether the capture buffer is empty

snd_pcm_format_cpu_endian - Check the PCM format is CPU-endian

snd_pcm_new_stream - create a new PCM stream

snd_pcm_new - create a new PCM instance

snd_device_new - create an ALSA device component

snd_device_free - release the device from the card

snd_device_register - register the device

snd_iprintf - printf on the procfs buffer

snd_info_get_line - read one line from the procfs buffer

snd_info_get_str - parse a string token

snd_info_create_module_entry - create an info entry for the given module

snd_info_create_card_entry - create an info entry for the given card

snd_card_proc_new - create an info entry for the given card

snd_info_free_entry - release the info entry

snd_info_register - register the info entry

snd_info_unregister - de-register the info entry

snd_rawmidi_receive - receive the input data from the device

snd_rawmidi_transmit_empty - check whether the output buffer is empty

snd_rawmidi_transmit_peek - copy data from the internal buffer

snd_rawmidi_transmit_ack - acknowledge the transmission

snd_rawmidi_transmit - copy from the buffer to the device

snd_rawmidi_new - create a rawmidi instance

snd_rawmidi_set_ops - set the rawmidi operators

snd_request_card - try to load the card module

snd_lookup_minor_data - get user data of a registered device

snd_register_device - Register the ALSA device file for the card

snd_unregister_device - unregister the device on the given card

copy_to_user_fromio - copy data from mmio-space to user-space

copy_from_user_toio - copy data from user-space to mmio-space

snd_pcm_lib_preallocate_free_for_all - release all pre-allocated buffers on the pcm

snd_pcm_lib_preallocate_pages - pre-allocation for the given DMA type

snd_pcm_lib_preallocate_pages_for_all - pre-allocation for continous memory type (all substreams)

snd_pcm_sgbuf_ops_page - get the page struct at the given offset

snd_pcm_lib_malloc_pages - allocate the DMA buffer

snd_pcm_lib_free_pages - release the allocated DMA buffer.

snd_card_new - create and initialize a soundcard structure

snd_card_disconnect - disconnect all APIs from the file-operations (user space)

snd_card_free - frees given soundcard structure

snd_card_free_in_thread - call snd_card_free in thread

snd_card_register - register the soundcard

snd_component_add - add a component string

snd_card_file_add - add the file to the file list of the card

snd_card_file_remove - remove the file from the file list

snd_power_wait - wait until the power-state is changed.

snd_dma_program - program an ISA DMA transfer

snd_dma_disable - stop the ISA DMA transfer

snd_dma_pointer - return the current pointer to DMA transfer buffer in bytes

snd_ctl_new - create a control instance from the template

snd_ctl_new1 - create a control instance from the template

snd_ctl_free_one - release the control instance

snd_ctl_add - add the control instance to the card

snd_ctl_remove - remove the control from the card and release it

snd_ctl_remove_id - remove the control of the given id and release it

snd_ctl_rename_id - replace the id of a control on the card

snd_ctl_find_numid - find the control instance with the given number-id

snd_ctl_find_id - find the control instance with the given id

snd_pcm_set_ops - set the PCM operators

snd_pcm_set_sync - set the PCM sync id

snd_interval_refine - refine the interval value of configurator

snd_interval_ratnum - refine the interval value

snd_interval_list - refine the interval value from the list

snd_pcm_hw_rule_add - add the hw-constraint rule

snd_pcm_hw_constraint_integer -

snd_pcm_hw_constraint_minmax -

snd_pcm_hw_constraint_list -

snd_pcm_hw_constraint_ratnums -

snd_pcm_hw_constraint_ratdens -

snd_pcm_hw_constraint_msbits -

snd_pcm_hw_constraint_step -

snd_pcm_hw_constraint_pow2 -

snd_pcm_hw_param_value_min -

snd_pcm_hw_param_value_max -

snd_pcm_hw_param_first -

snd_pcm_hw_param_last -

snd_pcm_hw_param_set -

snd_pcm_hw_param_mask -

snd_pcm_hw_param_near -

snd_pcm_lib_ioctl - a generic PCM ioctl callback

snd_pcm_period_elapsed - update the pcm status for the next period

snd_hwdep_new - create a new hwdep instance

snd_pcm_stop -

snd_pcm_suspend -

snd_pcm_suspend_all -

snd_malloc_pages - allocate pages with the given size

snd_free_pages - release the pages

snd_dma_alloc_pages - allocate the buffer area according to the given type

snd_dma_alloc_pages_fallback - allocate the buffer area according to the given type with fallback

snd_dma_free_pages - release the allocated buffer

snd_dma_get_reserved_buf - get the reserved buffer for the given device

snd_dma_reserve_buf - reserve the buffer