Documentation/sound/alsa-configuration.rst

87 opening a busy OSS PCM device won't be blocked but return
121     if negative, interpret as a bitmask of permissible indices;
146 supports dynamic configuration, it's of little use, but that was a
290     If this works for you file a bug with your `lspci -vn` output.
335 SPDIF output has a copy of the AC97 codec output, unless you use the
698 requires a sound card (like RealPlayer).
717 but either ignores read/write or mmap a single dummy page to all
1074 Each codec may have a model table for different configurations.
1077 specify a certain model in such a case.  There are different
1081 The model name ``generic`` is treated as a special case.  When this
1088 respectively, the driver will refer to that SSID as a reference to the
1109 values.  ``position_fix=4`` is a combination mode, using LPIB
1113 loading, it's likely a problem of interrupts (e.g. ACPI irq
1120 from the irq.  Remember this is a last resort, and should be
1124 On some hardware, you may need to add a proper probe_mask option
1127 (likely a modem one) causes a stall of the communication via HD-audio
1488 For example, a Panasonic notebook might need ``amp_gpio=0x0d``
1535 When the driver is compiled as a module and the hotplug firmware
1681 In such a case, specify the buffer top address explicitly via
1687 to initialize/use ac97 although it's not detected.  In such a
1694 even though the device is detected in lspci.  In such a case, try
1699 Note: some laptops need a workaround for AC97 RESET.  For the
1701 workaround is enabled automatically.  For other laptops with a
1709 Note: This driver is really crappy.  It's a porting from the
1710 OSS driver, which is a result of black-magic reverse engineering.
1861 even a few mixer controls.
1885 Module supports autoprobe a chip.
2133     If you want to play around with it and find a better value, be
2134     my guest. Remember, the idea is to get a number that causes us
2136     without coming up with a number so large that we hog the whole
2139     waits, only about 250 result in a sleep.
2143     How many times to try sleeping during a wait (default: 50)
2151     How long to wait for a reset to take effect (default:2)
2195     number of MIDI ports in a serial port (1-4)
2257     applies the existing quirk for the device 5678:beef to a new
2278     registration to the given device.  In this example, when a USB
2281     The driver prints a message like "Found post-registration device
2282     assignment: 1234abcd:04" for such a device, so that user can
2296         * bit 8: Add a delay of 20ms at each control message handling
2297         * bit 9: Add a delay of 1-2ms at each control message handling
2298         * bit 10: Add a delay of 5-6ms at each control message handling
2299         * bit 11: Add a delay of 50ms at each interface setup
2320 If you want to have a proper support, contact to upstream for
2322 Ditto for ``quirk_flags``.  If a device is known to require specific
2371 not be generated properly.  In such a case, please try to
2453 When the driver is compiled as a module and the hotplug firmware
2489 longer require a config file.
2491 When the driver is compiled as a module and the hotplug firmware
2543 but some might be unknown or wrongly detected.  In such a case, pass
2553     Bind Master and Headphone controls as a single control
2599 An example configuration for a single emu10k1 card is like below:
2652 When a module name is given with '!', the slot will be given for any
2699 	    the application tries to open a pcm device for
2701 	    (Cause a bug or mmap needs)