Loading Documentation/sound/alsa/HD-Audio.txt +8 −18 Original line number Original line Diff line number Diff line Loading @@ -655,17 +655,6 @@ development branches in general while the development for the current and next kernels are found in for-linus and for-next branches, and next kernels are found in for-linus and for-next branches, respectively. respectively. If you are using the latest Linus tree, it'd be better to pull the above GIT tree onto it. If you are using the older kernels, an easy way to try the latest ALSA code is to build from the snapshot tarball. There are daily tarballs and the latest snapshot tarball. All can be built just like normal alsa-driver release packages, that is, installed via the usual spells: configure, make and make install(-modules). See INSTALL in the package. The snapshot tarballs are found at: - ftp://ftp.suse.com/pub/people/tiwai/snapshot/ Sending a Bug Report Sending a Bug Report ~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~ Loading Loading @@ -699,7 +688,12 @@ problems. alsa-info alsa-info ~~~~~~~~~ ~~~~~~~~~ The script `alsa-info.sh` is a very useful tool to gather the audio The script `alsa-info.sh` is a very useful tool to gather the audio device information. You can fetch the latest version from: device information. It's included in alsa-utils package. The latest version can be found on git repository: - git://git.alsa-project.org/alsa-utils.git The script can be fetched directly from the following URL, too: - http://www.alsa-project.org/alsa-info.sh - http://www.alsa-project.org/alsa-info.sh Loading Loading @@ -836,15 +830,11 @@ can get a proc-file dump at the current state, get a list of control (mixer) elements, set/get the control element value, simulate the PCM (mixer) elements, set/get the control element value, simulate the PCM operation, the jack plugging simulation, etc. operation, the jack plugging simulation, etc. The package is found in: The program is found in the git repository below: - ftp://ftp.suse.com/pub/people/tiwai/misc/ A git repository is available: - git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/hda-emu.git - git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/hda-emu.git See README file in the tarball for more details about hda-emu See README file in the repository for more details about hda-emu program. program. Loading Documentation/sound/alsa/compress_offload.txt +2 −2 Original line number Original line Diff line number Diff line Loading @@ -149,7 +149,7 @@ Gapless Playback ================ ================ When playing thru an album, the decoders have the ability to skip the encoder When playing thru an album, the decoders have the ability to skip the encoder delay and padding and directly move from one track content to another. The end delay and padding and directly move from one track content to another. The end user can perceive this as gapless playback as we dont have silence while user can perceive this as gapless playback as we don't have silence while switching from one track to another switching from one track to another Also, there might be low-intensity noises due to encoding. Perfect gapless is Also, there might be low-intensity noises due to encoding. Perfect gapless is Loading Loading @@ -184,7 +184,7 @@ Sequence flow for gapless would be: - Fill data of the first track - Fill data of the first track - Trigger start - Trigger start - User-space finished sending all, - User-space finished sending all, - Indicaite next track data by sending set_next_track - Indicate next track data by sending set_next_track - Set metadata of the next track - Set metadata of the next track - then call partial_drain to flush most of buffer in DSP - then call partial_drain to flush most of buffer in DSP - Fill data of the next track - Fill data of the next track Loading Documentation/sound/alsa/soc/dapm.txt +1 −1 Original line number Original line Diff line number Diff line Loading @@ -132,7 +132,7 @@ SOC_DAPM_SINGLE("HiFi Playback Switch", WM8731_APANA, 4, 1, 0), SND_SOC_DAPM_MIXER("Output Mixer", WM8731_PWR, 4, 1, wm8731_output_mixer_controls, SND_SOC_DAPM_MIXER("Output Mixer", WM8731_PWR, 4, 1, wm8731_output_mixer_controls, ARRAY_SIZE(wm8731_output_mixer_controls)), ARRAY_SIZE(wm8731_output_mixer_controls)), If you dont want the mixer elements prefixed with the name of the mixer widget, If you don't want the mixer elements prefixed with the name of the mixer widget, you can use SND_SOC_DAPM_MIXER_NAMED_CTL instead. the parameters are the same you can use SND_SOC_DAPM_MIXER_NAMED_CTL instead. the parameters are the same as for SND_SOC_DAPM_MIXER. as for SND_SOC_DAPM_MIXER. Loading Documentation/sound/alsa/soc/overview.txt +1 −1 Original line number Original line Diff line number Diff line Loading @@ -63,7 +63,7 @@ multiple re-usable component drivers :- and any audio DSP drivers for that platform. and any audio DSP drivers for that platform. * Machine class driver: The machine driver class acts as the glue that * Machine class driver: The machine driver class acts as the glue that decribes and binds the other component drivers together to form an ALSA describes and binds the other component drivers together to form an ALSA "sound card device". It handles any machine specific controls and "sound card device". It handles any machine specific controls and machine level audio events (e.g. turning on an amp at start of playback). machine level audio events (e.g. turning on an amp at start of playback). Loading Documentation/sound/alsa/timestamping.txt +1 −1 Original line number Original line Diff line number Diff line Loading @@ -129,7 +129,7 @@ will be required to issue multiple queries and perform an interpolation of the results interpolation of the results In some hardware-specific configuration, the system timestamp is In some hardware-specific configuration, the system timestamp is latched by a low-level audio subsytem, and the information provided latched by a low-level audio subsystem, and the information provided back to the driver. Due to potential delays in the communication with back to the driver. Due to potential delays in the communication with the hardware, there is a risk of misalignment with the avail and delay the hardware, there is a risk of misalignment with the avail and delay information. To make sure applications are not confused, a information. To make sure applications are not confused, a Loading Loading
Documentation/sound/alsa/HD-Audio.txt +8 −18 Original line number Original line Diff line number Diff line Loading @@ -655,17 +655,6 @@ development branches in general while the development for the current and next kernels are found in for-linus and for-next branches, and next kernels are found in for-linus and for-next branches, respectively. respectively. If you are using the latest Linus tree, it'd be better to pull the above GIT tree onto it. If you are using the older kernels, an easy way to try the latest ALSA code is to build from the snapshot tarball. There are daily tarballs and the latest snapshot tarball. All can be built just like normal alsa-driver release packages, that is, installed via the usual spells: configure, make and make install(-modules). See INSTALL in the package. The snapshot tarballs are found at: - ftp://ftp.suse.com/pub/people/tiwai/snapshot/ Sending a Bug Report Sending a Bug Report ~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~ Loading Loading @@ -699,7 +688,12 @@ problems. alsa-info alsa-info ~~~~~~~~~ ~~~~~~~~~ The script `alsa-info.sh` is a very useful tool to gather the audio The script `alsa-info.sh` is a very useful tool to gather the audio device information. You can fetch the latest version from: device information. It's included in alsa-utils package. The latest version can be found on git repository: - git://git.alsa-project.org/alsa-utils.git The script can be fetched directly from the following URL, too: - http://www.alsa-project.org/alsa-info.sh - http://www.alsa-project.org/alsa-info.sh Loading Loading @@ -836,15 +830,11 @@ can get a proc-file dump at the current state, get a list of control (mixer) elements, set/get the control element value, simulate the PCM (mixer) elements, set/get the control element value, simulate the PCM operation, the jack plugging simulation, etc. operation, the jack plugging simulation, etc. The package is found in: The program is found in the git repository below: - ftp://ftp.suse.com/pub/people/tiwai/misc/ A git repository is available: - git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/hda-emu.git - git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/hda-emu.git See README file in the tarball for more details about hda-emu See README file in the repository for more details about hda-emu program. program. Loading
Documentation/sound/alsa/compress_offload.txt +2 −2 Original line number Original line Diff line number Diff line Loading @@ -149,7 +149,7 @@ Gapless Playback ================ ================ When playing thru an album, the decoders have the ability to skip the encoder When playing thru an album, the decoders have the ability to skip the encoder delay and padding and directly move from one track content to another. The end delay and padding and directly move from one track content to another. The end user can perceive this as gapless playback as we dont have silence while user can perceive this as gapless playback as we don't have silence while switching from one track to another switching from one track to another Also, there might be low-intensity noises due to encoding. Perfect gapless is Also, there might be low-intensity noises due to encoding. Perfect gapless is Loading Loading @@ -184,7 +184,7 @@ Sequence flow for gapless would be: - Fill data of the first track - Fill data of the first track - Trigger start - Trigger start - User-space finished sending all, - User-space finished sending all, - Indicaite next track data by sending set_next_track - Indicate next track data by sending set_next_track - Set metadata of the next track - Set metadata of the next track - then call partial_drain to flush most of buffer in DSP - then call partial_drain to flush most of buffer in DSP - Fill data of the next track - Fill data of the next track Loading
Documentation/sound/alsa/soc/dapm.txt +1 −1 Original line number Original line Diff line number Diff line Loading @@ -132,7 +132,7 @@ SOC_DAPM_SINGLE("HiFi Playback Switch", WM8731_APANA, 4, 1, 0), SND_SOC_DAPM_MIXER("Output Mixer", WM8731_PWR, 4, 1, wm8731_output_mixer_controls, SND_SOC_DAPM_MIXER("Output Mixer", WM8731_PWR, 4, 1, wm8731_output_mixer_controls, ARRAY_SIZE(wm8731_output_mixer_controls)), ARRAY_SIZE(wm8731_output_mixer_controls)), If you dont want the mixer elements prefixed with the name of the mixer widget, If you don't want the mixer elements prefixed with the name of the mixer widget, you can use SND_SOC_DAPM_MIXER_NAMED_CTL instead. the parameters are the same you can use SND_SOC_DAPM_MIXER_NAMED_CTL instead. the parameters are the same as for SND_SOC_DAPM_MIXER. as for SND_SOC_DAPM_MIXER. Loading
Documentation/sound/alsa/soc/overview.txt +1 −1 Original line number Original line Diff line number Diff line Loading @@ -63,7 +63,7 @@ multiple re-usable component drivers :- and any audio DSP drivers for that platform. and any audio DSP drivers for that platform. * Machine class driver: The machine driver class acts as the glue that * Machine class driver: The machine driver class acts as the glue that decribes and binds the other component drivers together to form an ALSA describes and binds the other component drivers together to form an ALSA "sound card device". It handles any machine specific controls and "sound card device". It handles any machine specific controls and machine level audio events (e.g. turning on an amp at start of playback). machine level audio events (e.g. turning on an amp at start of playback). Loading
Documentation/sound/alsa/timestamping.txt +1 −1 Original line number Original line Diff line number Diff line Loading @@ -129,7 +129,7 @@ will be required to issue multiple queries and perform an interpolation of the results interpolation of the results In some hardware-specific configuration, the system timestamp is In some hardware-specific configuration, the system timestamp is latched by a low-level audio subsytem, and the information provided latched by a low-level audio subsystem, and the information provided back to the driver. Due to potential delays in the communication with back to the driver. Due to potential delays in the communication with the hardware, there is a risk of misalignment with the avail and delay the hardware, there is a risk of misalignment with the avail and delay information. To make sure applications are not confused, a information. To make sure applications are not confused, a Loading
