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* ALSA: emu10k1: more documentation updatesOswald Buddenhagen2023-08-261-12/+12
| | | | | | | | | | | | - Clarify the data flows. For SB Live! I fixed only the most obvious point ("from" vs. "for"). - Mention 7.1 side channels on Audigy. - Be unspecific about the output DACs on Audigy, as lots of variants actually exist (see emu_chip_details table). Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de> Link: https://lore.kernel.org/r/20230825222157.170978-2-oswald.buddenhagen@gmx.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: emu10k1: enable bit-exact playback, part 2: voice attenuationOswald Buddenhagen2023-05-161-1/+1
| | | | | | | | | | | | | | | | | | | | The voice volume is a raw fractional multiplier that can't actually represent 1.0. To still enable real pass-through, we now set the volume to 0.5 (which results in no loss of precision, as the FX bus provides fractional values) and scale up the samples in DSP code. To maintain backwards compatibility with existing configuration files, we rescale the values in the mixer controls. The range is extended upwards from 0xffff to 0x1fffd, which actually introduces the possibility of specifying an amplification. There is still a minor incompatibility with user space, namely if someone loaded custom DSP code. They'll just get half the volume, so this doesn't seem like a big deal. Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de> Link: https://lore.kernel.org/r/20230514170323.3408834-8-oswald.buddenhagen@gmx.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: emu10k1: documentation updatesOswald Buddenhagen2023-04-061-7/+10
| | | | | | | | | - Less misinformation - Language and whitespace fixups Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de> Link: https://lore.kernel.org/r/20230405201220.2197893-1-oswald.buddenhagen@gmx.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* Documentation: sound: correct spellingRandy Dunlap2023-01-291-1/+1
| | | | | | | | | | | | | | Correct spelling problems for Documentation/sound/ as reported by codespell. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Jaroslav Kysela <perex@perex.cz> Cc: Takashi Iwai <tiwai@suse.com> Cc: alsa-devel@alsa-project.org Cc: Jonathan Corbet <corbet@lwn.net> Cc: linux-doc@vger.kernel.org Link: https://lore.kernel.org/r/20230127064005.1558-27-rdunlap@infradead.org Signed-off-by: Takashi Iwai <tiwai@suse.de>
* Documentation: sound/cards: fix heading underline lengths for https: changesRandy Dunlap2020-08-241-1/+1
| | | | | | | | | | | | | | | | | | | Fix documentation build warnings for underline length too short, caused by s/http/https/ and not changing the accompanying underlines. Documentation/sound/cards/audigy-mixer.rst:335: WARNING: Title underline too short. US Patents (https://www.uspto.gov/) ---------------------------------- Documentation/sound/cards/sb-live-mixer.rst:340: WARNING: Title underline too short. US Patents (https://www.uspto.gov/) ---------------------------------- Fixes: 7ed33ea6b4fa ("ALSA: Replace HTTP links with HTTPS ones") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Alexander A. Klimov <grandmaster@al2klimov.de> Link: https://lore.kernel.org/r/357ee576-32a2-6e2b-1db6-78be39253846@infradead.org Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: Replace HTTP links with HTTPS onesAlexander A. Klimov2020-07-191-1/+1
| | | | | | | | | | | | | | | | | | | | | Rationale: Reduces attack surface on kernel devs opening the links for MITM as HTTPS traffic is much harder to manipulate. Deterministic algorithm: For each file: If not .svg: For each line: If doesn't contain `\bxmlns\b`: For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`: If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`: If both the HTTP and HTTPS versions return 200 OK and serve the same content: Replace HTTP with HTTPS. Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de> Link: https://lore.kernel.org/r/20200719151705.59624-1-grandmaster@al2klimov.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
* ALSA: doc: ReSTize SB-Live-mixer documentTakashi Iwai2016-11-101-0/+373
Another simple conversion from a plain text file. Put to cards subdirectory. Signed-off-by: Takashi Iwai <tiwai@suse.de>