kernel/include/uapi/sound/asound.h, branch linux-4.1.y

ALSA: asound.h - use SNDRV_CTL_ELEM_ID_NAME_MAXLEN

2015-04-18T07:05:55Z

we have defined SNDRV_CTL_ELEM_ID_NAME_MAXLEN as size of name array so use this define instead of numeric value Signed-off-by: Vinod Koul Signed-off-by: Takashi Iwai

Merge branch 'topic/timestamp' into for-next

2015-02-23T08:15:02Z

Merge branch 'topic/uapi-fix' into for-next

2015-02-23T08:14:03Z

ALSA: bump PCM protocol to 2.0.13

2015-02-20T16:30:07Z

Bump PCM protocol to enable use of STATUS_EXT ioctls, older apps will still use STATUS and audio timestamp configuration is not supported (backwards compatible behavior). Signed-off-by: Pierre-Louis Bossart Signed-off-by: Takashi Iwai

ALSA: core: selection of audio_tstamp type and accuracy reports

2015-02-20T16:30:03Z

Audio timestamps can be extracted from sample counters, wall clocks, PHC clocks (Ethernet AVB), on-demand synchronized snapshots. This patch provides the ability to report timestamping capabilities, select timestamp types and retrieve timestamp accuracy, if supported. Details can be found in Documentations/sound/alsa/timestamping.txt This functionality is introduced by reclaiming the reserved_aligned field introduced by commit9c7066aef4a5eb8e4063de28f06c508bf6f2963a in snd_pcm_status to provide userspace with selection/query capabilities. Additional driver_tstamp and audio_tstamp_accuracy fields are also added. snd_pcm_mmap_status remains a read-only structure with only the audio timestamp value accessible from user space. The selection of audio timestamp type is done through snd_pcm_status only This commit does not impact ABI and does not impact the default behavior. By default audio timestamp is aligned with hw_pointer and reports the DMA position. Backwards compatibility is handled by using the HDAudio wall clock for playback and the hw_ptr for all other cases. For timestamp selection a new STATUS_EXT ioctl is introduced with read/write parameters. Alsa-lib will be modified to make use of STATUS_EXT. Signed-off-by: Pierre-Louis Bossart Signed-off-by: Takashi Iwai

include/uapi/sound/asound.h: include stdlib.h in userspace

2015-02-17T06:43:54Z

Fixes compiler errors like: error: field ‘trigger_tstamp’ has incomplete type error: invalid application of ‘sizeof’ to incomplete t ype ‘struct timespec’ Signed-off-by: Mikko Rapeli Signed-off-by: Takashi Iwai

ALSA: pcm: add SNDRV_PCM_TRIGGER_DRAIN trigger

2014-12-31T16:10:08Z

Add SNDRV_PCM_TRIGGER_DRAIN trigger for pcm drain. Some audio devices require notification of drain events in order to properly drain and shutdown an audio stream. Signed-off-by: Libin Yang Signed-off-by: Takashi Iwai

ALSA: oxfw: Add hwdep interface

2014-12-10T09:50:00Z

This interface is designed for mixer/control application. By using this interface, an application can get information about firewire node, can lock/unlock kernel streaming and can get notification at starting/stopping kernel streaming. Signed-off-by: Takashi Sakamoto Acked-by: Clemens Ladisch Signed-off-by: Takashi Iwai

ALSA: pcm: Add big-endian DSD sample formats and fix XMOS DSD sample format

2014-11-21T14:13:28Z

This patch fixes XMOS DSD sample format to DSD_U32_BE and also adds DSD_U16_BE and DSD_U32_BE sample formats. Signed-off-by: Jussi Laako Acked-by: Jurgen Kramer Signed-off-by: Takashi Iwai

ALSA: pcm: add new DSD sampleformat for native DSD playback on XMOS based devices

2014-09-08T15:11:00Z

XMOS based USB DACs with native DSD support expose this feature via a USB alternate setting. The audio format is either 32-bit raw or a 32-bit PCM format. To utilize this feature on linux this patch introduces a new 32-bit DSD sampleformat DSD_U32_LE. A follow up patch will add a quirk for XMOS based devices to utilize the new format. Further patches will add support to alsa-lib. Signed-off-by: Jurgen Kramer Signed-off-by: Takashi Iwai