Skip to content

L
linux
Commit c0b6b657 authored by Alexander Viro's avatar Alexander Viro Committed by Linus Torvalds
Browse files
Options

[PATCH] sparse: ali5455 annotation 

ali5455 annotated
parent 2e2cb285
Hide whitespace changes
Inline Side-by-side
Showing with 37 additions and 34 deletions
sound/oss/ali5455.c
View file @ c0b6b657
......@@ -1579,7 +1579,7 @@ static irqreturn_t ali_interrupt(int irq, void *dev_id, struct pt_regs *regs)
waiting to be copied to the user's buffer. It is filled by the dma
machine and drained by this loop. */
static ssize_t ali_read(struct file *file, char *buffer,
static ssize_t ali_read(struct file *file, char __user *buffer,
size_t count, loff_t * ppos)
{
struct ali_state *state = (struct ali_state *) file->private_data;
......@@ -1721,7 +1721,7 @@ static ssize_t ali_read(struct file *file, char *buffer,
/* in this loop, dmabuf.count signifies the amount of data that is waiting to be dma to
the soundcard. it is drained by the dma machine and filled by this loop. */
static ssize_t ali_write(struct file *file,
const char *buffer, size_t count, loff_t * ppos)
const char __user *buffer, size_t count, loff_t * ppos)
{
struct ali_state *state = (struct ali_state *) file->private_data;
struct ali_card *card = state ? state->card : 0;
......@@ -1981,16 +1981,19 @@ static int ali_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
unsigned int i_scr;
int val = 0, ret;
struct ac97_codec *codec = state->card->ac97_codec[0];
void __user *argp = (void __user *)arg;
int __user *p = argp;
#ifdef DEBUG
printk("ali_audio: ali_ioctl, arg=0x%x, cmd=",
arg ? *(int *) arg : 0);
arg ? *p : 0);
#endif
switch (cmd) {
case OSS_GETVERSION:
#ifdef DEBUG
printk("OSS_GETVERSION\n");
#endif
return put_user(SOUND_VERSION, (int *) arg);
return put_user(SOUND_VERSION, p);
case SNDCTL_DSP_RESET:
#ifdef DEBUG
printk("SNDCTL_DSP_RESET\n");
......@@ -2058,7 +2061,7 @@ static int ali_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
#ifdef DEBUG
printk("SNDCTL_DSP_SPEED\n");
#endif
if (get_user(val, (int *) arg))
if (get_user(val, p))
return -EFAULT;
if (val >= 0) {
if (file->f_mode & FMODE_WRITE) {
......@@ -2136,7 +2139,7 @@ static int ali_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
spin_unlock_irqrestore(&state->card->lock, flags);
}
}
return put_user(dmabuf->rate, (int *) arg);
return put_user(dmabuf->rate, p);
case SNDCTL_DSP_STEREO: /* set stereo or mono channel */
#ifdef DEBUG
printk("SNDCTL_DSP_STEREO\n");
......@@ -2153,7 +2156,7 @@ static int ali_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
if (dmabuf->enable & CONTROLLER_SPDIFOUT_RUNNING) {
stop_spdifout(state);
}
return put_user(1, (int *) arg);
return put_user(1, p);
case SNDCTL_DSP_GETBLKSIZE:
if (file->f_mode & FMODE_WRITE) {
if (codec_independent_spdif_locked > 0) {
......@@ -2177,22 +2180,22 @@ static int ali_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
#ifdef DEBUG
printk("SNDCTL_DSP_GETBLKSIZE %d\n", dmabuf->userfragsize);
#endif
return put_user(dmabuf->userfragsize, (int *) arg);
return put_user(dmabuf->userfragsize, p);
case SNDCTL_DSP_GETFMTS: /* Returns a mask of supported sample format */
#ifdef DEBUG
printk("SNDCTL_DSP_GETFMTS\n");
#endif
return put_user(AFMT_S16_LE, (int *) arg);
return put_user(AFMT_S16_LE, p);
case SNDCTL_DSP_SETFMT: /* Select sample format */
#ifdef DEBUG
printk("SNDCTL_DSP_SETFMT\n");
#endif
return put_user(AFMT_S16_LE, (int *) arg);
return put_user(AFMT_S16_LE, p);
case SNDCTL_DSP_CHANNELS: // add support 4,6 channel
#ifdef DEBUG
printk("SNDCTL_DSP_CHANNELS\n");
#endif
if (get_user(val, (int *) arg))
if (get_user(val, p))
return -EFAULT;
if (val > 0) {
if (dmabuf->enable & DAC_RUNNING) {
......@@ -2208,7 +2211,7 @@ static int ali_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
stop_adc(state);
}
} else {
return put_user(state->card->channels, (int *) arg);
return put_user(state->card->channels, p);
}
i_scr = inl(state->card->iobase + ALI_SCR);
......@@ -2243,7 +2246,7 @@ static int ali_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
val = ret;
break;
}
return put_user(val, (int *) arg);
return put_user(val, p);
case SNDCTL_DSP_POST: /* the user has sent all data and is notifying us */
/* we update the swptr to the end of the last sg segment then return */
#ifdef DEBUG
......@@ -2270,7 +2273,7 @@ static int ali_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
case SNDCTL_DSP_SUBDIVIDE:
if (dmabuf->subdivision)
return -EINVAL;
if (get_user(val, (int *) arg))
if (get_user(val, p))
return -EFAULT;
if (val != 1 && val != 2 && val != 4)
return -EINVAL;
......@@ -2281,7 +2284,7 @@ static int ali_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
dmabuf->ready = 0;
return 0;
case SNDCTL_DSP_SETFRAGMENT:
if (get_user(val, (int *) arg))
if (get_user(val, p))
return -EFAULT;
dmabuf->ossfragsize = 1 << (val & 0xffff);
dmabuf->ossmaxfrags = (val >> 16) & 0xffff;
......@@ -2360,7 +2363,7 @@ static int ali_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
abinfo.bytes, abinfo.fragsize, abinfo.fragments,
abinfo.fragstotal);
#endif
return copy_to_user((void *) arg, &abinfo,
return copy_to_user(argp, &abinfo,
sizeof(abinfo)) ? -EFAULT : 0;
case SNDCTL_DSP_GETOPTR:
if (!(file->f_mode & FMODE_WRITE))
......@@ -2408,7 +2411,7 @@ static int ali_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
printk("SNDCTL_DSP_GETOPTR %d, %d, %d, %d\n", cinfo.bytes,
cinfo.blocks, cinfo.ptr, dmabuf->count);
#endif
return copy_to_user((void *) arg, &cinfo, sizeof(cinfo))? -EFAULT : 0;
return copy_to_user(argp, &cinfo, sizeof(cinfo))? -EFAULT : 0;
case SNDCTL_DSP_GETISPACE:
if (!(file->f_mode & FMODE_READ))
return -EINVAL;
......@@ -2425,7 +2428,7 @@ static int ali_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
abinfo.bytes, abinfo.fragsize, abinfo.fragments,
abinfo.fragstotal);
#endif
return copy_to_user((void *) arg, &abinfo,
return copy_to_user(argp, &abinfo,
sizeof(abinfo)) ? -EFAULT : 0;
case SNDCTL_DSP_GETIPTR:
if (!(file->f_mode & FMODE_READ))
......@@ -2447,7 +2450,7 @@ static int ali_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
printk("SNDCTL_DSP_GETIPTR %d, %d, %d, %d\n", cinfo.bytes,
cinfo.blocks, cinfo.ptr, dmabuf->count);
#endif
return copy_to_user((void *) arg, &cinfo, sizeof(cinfo))? -EFAULT: 0;
return copy_to_user(argp, &cinfo, sizeof(cinfo))? -EFAULT: 0;
case SNDCTL_DSP_NONBLOCK:
#ifdef DEBUG
printk("SNDCTL_DSP_NONBLOCK\n");
......@@ -2459,15 +2462,15 @@ static int ali_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
printk("SNDCTL_DSP_GETCAPS\n");
#endif
return put_user(DSP_CAP_REALTIME | DSP_CAP_TRIGGER |
DSP_CAP_MMAP | DSP_CAP_BIND, (int *) arg);
DSP_CAP_MMAP | DSP_CAP_BIND, p);
case SNDCTL_DSP_GETTRIGGER:
val = 0;
#ifdef DEBUG
printk("SNDCTL_DSP_GETTRIGGER 0x%x\n", dmabuf->trigger);
#endif
return put_user(dmabuf->trigger, (int *) arg);
return put_user(dmabuf->trigger, p);
case SNDCTL_DSP_SETTRIGGER:
if (get_user(val, (int *) arg))
if (get_user(val, p))
return -EFAULT;
#if defined(DEBUG) || defined(DEBUG_MMAP)
printk("SNDCTL_DSP_SETTRIGGER 0x%x\n", val);
......@@ -2586,27 +2589,27 @@ static int ali_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
#ifdef DEBUG
printk("SNDCTL_DSP_GETODELAY %d\n", dmabuf->count);
#endif
return put_user(val, (int *) arg);
return put_user(val, p);
case SOUND_PCM_READ_RATE:
#ifdef DEBUG
printk("SOUND_PCM_READ_RATE %d\n", dmabuf->rate);
#endif
return put_user(dmabuf->rate, (int *) arg);
return put_user(dmabuf->rate, p);
case SOUND_PCM_READ_CHANNELS:
#ifdef DEBUG
printk("SOUND_PCM_READ_CHANNELS\n");
#endif
return put_user(2, (int *) arg);
return put_user(2, p);
case SOUND_PCM_READ_BITS:
#ifdef DEBUG
printk("SOUND_PCM_READ_BITS\n");
#endif
return put_user(AFMT_S16_LE, (int *) arg);
return put_user(AFMT_S16_LE, p);
case SNDCTL_DSP_SETSPDIF: /* Set S/PDIF Control register */
#ifdef DEBUG
printk("SNDCTL_DSP_SETSPDIF\n");
#endif
if (get_user(val, (int *) arg))
if (get_user(val, p))
return -EFAULT;
/* Check to make sure the codec supports S/PDIF transmitter */
if ((state->card->ac97_features & 4)) {
......@@ -2625,12 +2628,12 @@ static int ali_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
else
printk(KERN_WARNING "ali_audio: S/PDIF transmitter not avalible.\n");
#endif
return put_user(val, (int *) arg);
return put_user(val, p);
case SNDCTL_DSP_GETSPDIF: /* Get S/PDIF Control register */
#ifdef DEBUG
printk("SNDCTL_DSP_GETSPDIF\n");
#endif
if (get_user(val, (int *) arg))
if (get_user(val, p))
return -EFAULT;
/* Check to make sure the codec supports S/PDIF transmitter */
if (!(state->card->ac97_features & 4)) {
......@@ -2642,14 +2645,14 @@ static int ali_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
val = ali_ac97_get(codec, AC97_SPDIF_CONTROL);
}
return put_user(val, (int *) arg);
return put_user(val, p);
//end add support spdif out
//add support 4,6 channel
case SNDCTL_DSP_GETCHANNELMASK:
#ifdef DEBUG
printk("SNDCTL_DSP_GETCHANNELMASK\n");
#endif
if (get_user(val, (int *) arg))
if (get_user(val, p))
return -EFAULT;
/* Based on AC'97 DAC support, not ICH hardware */
val = DSP_BIND_FRONT;
......@@ -2659,12 +2662,12 @@ static int ali_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
val |= DSP_BIND_SURR;
if (state->card->ac97_features & 0x0140)
val |= DSP_BIND_CENTER_LFE;
return put_user(val, (int *) arg);
return put_user(val, p);
case SNDCTL_DSP_BIND_CHANNEL:
#ifdef DEBUG
printk("SNDCTL_DSP_BIND_CHANNEL\n");
#endif
if (get_user(val, (int *) arg))
if (get_user(val, p))
return -EFAULT;
if (val == DSP_BIND_QUERY) {
val = DSP_BIND_FRONT; /* Always report this as being enabled */
......@@ -2749,7 +2752,7 @@ static int ali_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
val &= ~DSP_BIND_CENTER_LFE;
}
}
return put_user(val, (int *) arg);
return put_user(val, p);
case SNDCTL_DSP_MAPINBUF:
case SNDCTL_DSP_MAPOUTBUF:
case SNDCTL_DSP_SETSYNCRO:
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7