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SubjectRe: Linux driver for c-media cm8x38 ver 4.12 released


Peter Samuelson wrote:

> [ChenLi Tien, from http://members.home.net/puresoft/cmedia.html]
> > - * Copyright (C) 1999 ChenLi Tien (cltien@home.com)
> > - *
> > - * Based on the PCI drivers by Thomas Sailer (sailer@ife.ee.ethz.ch)
> > + * Copyright (C) 1999 ChenLi Tien (cltien@cmedia.com.tw)
> > + * C-media support (support@cmedia.com.tw)
>
> This is somewhat impolite -- unless the driver is *not* actually based
> on Tom's work.
>

I didn't notice someone add this line, but I will be happy to add it.

>
> > +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
> > +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
> > + owner: THIS_MODULE,
> > +#endif
> > llseek: cm_llseek,
> > ioctl: cm_ioctl_mixdev,
> > open: cm_open_mixdev,
> > release: cm_release_mixdev,
> > +#else
> > + &cm_llseek,
> > + NULL, /* read */
> > + NULL, /* write */
> > + NULL, /* readdir */
> > + NULL, /* poll */
> > + &cm_ioctl_mixdev,
> > + NULL, /* mmap */
> > + &cm_open_mixdev,
> > + NULL, /* flush */
> > + &cm_release_mixdev,
> > + NULL, /* fsync */
> > + NULL, /* fasync */
> > + NULL, /* check_media_change */
> > + NULL, /* revalidate */
> > + NULL, /* lock */
> > +#endif
>
> I don't think the (2,3,0) ifdef is necessary. Just use the labeled
> initializers for all kernels. See also cm_audio_fops, cm_dsp_fops,
> cm_midi_fops, cm_dmfm_fops.

Yes, as 2.3.x series is not for end-user, I can remove them. I keep it for
easy to tell what's different for kernel 2.3 and 2.4.

>
>
> > +#ifdef MODULE
> > +MODULE_PARM(mpu_io, "i");
> > +MODULE_PARM(fm_io, "i");
> > +MODULE_PARM(spdif_inverse, "i");
> > +MODULE_PARM(spdif_loop, "i");
> > +MODULE_PARM(four_sp, "i");
> > +MODULE_PARM(rear_out, "i");
> > +MODULE_PARM(modem, "i");
> > +MODULE_PARM(joystick, "i");
> > #endif
>
> No need for '#ifdef MODULE'.

I will remove it if kernel 2.2 can work.

>
>
> > +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
> > +static int __init init_cmpci(void)
> > +#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
> > +#ifdef MODULE
> > +int __init init_module(void)
> > +#else
> > int __init init_cmpci(void)
> > #endif
> > +#else
> > +#ifdef MODULE
> > +__initfunc(int init_module(void))
> > +#else
> > +__initfunc(int init_cmpci(void))
> > +#endif
> > +#endif
>
> __init is fine in 2.2, no need for conditional __initfunc().
>
> Peter

Thanks for your suggestion, I can change it.

ChenLi Tien

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