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-rw-r--r--Documentation/sound/alsa/ALSA-Configuration.txt17
1 files changed, 14 insertions, 3 deletions
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index 0bbee38acd26..72aff61e7315 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -753,8 +753,11 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
753 753
754 [Multiple options for each card instance] 754 [Multiple options for each card instance]
755 model - force the model name 755 model - force the model name
756 position_fix - Fix DMA pointer (0 = auto, 1 = none, 2 = POSBUF, 3 = FIFO size) 756 position_fix - Fix DMA pointer (0 = auto, 1 = use LPIB, 2 = POSBUF)
757 probe_mask - Bitmask to probe codecs (default = -1, meaning all slots) 757 probe_mask - Bitmask to probe codecs (default = -1, meaning all slots)
758 bdl_pos_adj - Specifies the DMA IRQ timing delay in samples.
759 Passing -1 will make the driver to choose the appropriate
760 value based on the controller chip.
758 761
759 [Single (global) options] 762 [Single (global) options]
760 single_cmd - Use single immediate commands to communicate with 763 single_cmd - Use single immediate commands to communicate with
@@ -845,7 +848,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
845 ALC269 848 ALC269
846 basic Basic preset 849 basic Basic preset
847 850
848 ALC662 851 ALC662/663
849 3stack-dig 3-stack (2-channel) with SPDIF 852 3stack-dig 3-stack (2-channel) with SPDIF
850 3stack-6ch 3-stack (6-channel) 853 3stack-6ch 3-stack (6-channel)
851 3stack-6ch-dig 3-stack (6-channel) with SPDIF 854 3stack-6ch-dig 3-stack (6-channel) with SPDIF
@@ -853,6 +856,10 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
853 lenovo-101e Lenovo laptop 856 lenovo-101e Lenovo laptop
854 eeepc-p701 ASUS Eeepc P701 857 eeepc-p701 ASUS Eeepc P701
855 eeepc-ep20 ASUS Eeepc EP20 858 eeepc-ep20 ASUS Eeepc EP20
859 m51va ASUS M51VA
860 g71v ASUS G71V
861 h13 ASUS H13
862 g50v ASUS G50V
856 auto auto-config reading BIOS (default) 863 auto auto-config reading BIOS (default)
857 864
858 ALC882/885 865 ALC882/885
@@ -1091,7 +1098,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
1091 This occurs when the access to non-existing or non-working codec slot 1098 This occurs when the access to non-existing or non-working codec slot
1092 (likely a modem one) causes a stall of the communication via HD-audio 1099 (likely a modem one) causes a stall of the communication via HD-audio
1093 bus. You can see which codec slots are probed by enabling 1100 bus. You can see which codec slots are probed by enabling
1094 CONFIG_SND_DEBUG_DETECT, or simply from the file name of the codec 1101 CONFIG_SND_DEBUG_VERBOSE, or simply from the file name of the codec
1095 proc files. Then limit the slots to probe by probe_mask option. 1102 proc files. Then limit the slots to probe by probe_mask option.
1096 For example, probe_mask=1 means to probe only the first slot, and 1103 For example, probe_mask=1 means to probe only the first slot, and
1097 probe_mask=4 means only the third slot. 1104 probe_mask=4 means only the third slot.
@@ -2267,6 +2274,10 @@ case above again, the first two slots are already reserved. If any
2267other driver (e.g. snd-usb-audio) is loaded before snd-interwave or 2274other driver (e.g. snd-usb-audio) is loaded before snd-interwave or
2268snd-ens1371, it will be assigned to the third or later slot. 2275snd-ens1371, it will be assigned to the third or later slot.
2269 2276
2277When a module name is given with '!', the slot will be given for any
2278modules but that name. For example, "slots=!snd-pcsp" will reserve
2279the first slot for any modules but snd-pcsp.
2280
2270 2281
2271ALSA PCM devices to OSS devices mapping 2282ALSA PCM devices to OSS devices mapping
2272======================================= 2283=======================================