1 Audio driver for CM8338/CM8738 chips by Chen-Li Tien
2
3
4 HARDWARE SUPPORTED
5 ================================================================================
6 C-Media CMI8338
7 C-Media CMI8738
8 On-board C-Media chips
9
10
11 WHAT'S NEW
12 ================================================================================
13
14 1. Support modem interface for 8738. (select in kernel configuration)
15 2. Enable S/PDIF-in to S/PDIF-out (S/PDIF loop).
16 3. Enable 4 channels analog duplicate mode on 3 jack or 4 jack
17 configuration.
18
19
20 Be aware: C-Media Electronics Inc. is basically an IC design house,
21 and whose development of software drivers is mainly for use by its OEM
22 customers in their products. C-Media Electronics Inc. itself does not
23 manufacture end-user products, such as PC or sound cards, so it can
24 not fully control the drivers provided to consumers. Drivers provided
25 at this site, therefore, MAY NOT BE APPLICABLE to all sound cards.
26 Drivers you download from this site may function well at certain
27 situation, but C-Media Electronics Inc. does not give any guarantee or
28 assurances. Please be aware that these drivers might cause some
29 technical difficulties when installed
30
31
32 1. Config cm8338 driver by 'make menuconfig' or 'make config' command.
33
34 2. Please select Sound Card (CONFIG_SOUND=m) support and CMPCI driver (CONFIG_SOUND_CMPCI=m) as modules. Resident mode not tested.
35
36 3. Compile the kernel if necessary.
37
38 4. Compile the modules by 'make modules'.
39
40 5. Install the modules by 'make modules_install'
41
42 6. Before first time to run the driver, create module dependency by 'depmod -a'
43
44 7. To install the driver, enter 'modprobe cmpci'.
45
46
47 DRIVER PARAMETERS
48 ================================================================================
49
50 Some functions for the cm8738 can be configured in Kernel Configuration
51 or modules parameters. Set these parameters to 1 to enable.
52
53 spdif_loop: Enable S/PDIF loop, this route S/PDIF-in to S/PDIF-out
54 directly.
55 four_ch: Enable 4 channels mode, rear-out or line-in will output
56 the same as line-out.
57 rear_out: Enable this if you have independent rear-out jacket on
58 your sound card, otherwise line-in will be used as
59 rear-out.
60 modem: You will need to set this parameter if you want to use
61 the HSP modem. You need install the pctel.o, the modem
62 driver itself.
63
64 (You will need to get the pctel driver (binary only) and the support for
65 this option from the CMI site. It is not included in the Linux kernel
66 proper as it is non-free).
This page was automatically generated by the
LXR engine.
Visit the LXR main site for more
information.