diff options
Diffstat (limited to 'Documentation/sound/alsa/ALSA-Configuration.txt')
-rw-r--r-- | Documentation/sound/alsa/ALSA-Configuration.txt | 17 |
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 | |||
2267 | other driver (e.g. snd-usb-audio) is loaded before snd-interwave or | 2274 | other driver (e.g. snd-usb-audio) is loaded before snd-interwave or |
2268 | snd-ens1371, it will be assigned to the third or later slot. | 2275 | snd-ens1371, it will be assigned to the third or later slot. |
2269 | 2276 | ||
2277 | When a module name is given with '!', the slot will be given for any | ||
2278 | modules but that name. For example, "slots=!snd-pcsp" will reserve | ||
2279 | the first slot for any modules but snd-pcsp. | ||
2280 | |||
2270 | 2281 | ||
2271 | ALSA PCM devices to OSS devices mapping | 2282 | ALSA PCM devices to OSS devices mapping |
2272 | ======================================= | 2283 | ======================================= |