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ALSA: rawmidi: Tidy up coding styles
Just minor coding style fixes like removal of superfluous white space, adding missing blank lines, etc. No actual code changes at all. Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai
parent
ed6b83d2d1
commit
5bed913972
@ -88,6 +88,7 @@ static inline unsigned short snd_rawmidi_file_flags(struct file *file)
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static inline int snd_rawmidi_ready(struct snd_rawmidi_substream *substream)
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{
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struct snd_rawmidi_runtime *runtime = substream->runtime;
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return runtime->avail >= runtime->avail_min;
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}
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@ -95,6 +96,7 @@ static inline int snd_rawmidi_ready_append(struct snd_rawmidi_substream *substre
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size_t count)
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{
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struct snd_rawmidi_runtime *runtime = substream->runtime;
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return runtime->avail >= runtime->avail_min &&
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(!substream->append || runtime->avail >= count);
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}
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@ -103,6 +105,7 @@ static void snd_rawmidi_input_event_work(struct work_struct *work)
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{
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struct snd_rawmidi_runtime *runtime =
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container_of(work, struct snd_rawmidi_runtime, event_work);
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if (runtime->event)
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runtime->event(runtime->substream);
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}
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@ -111,7 +114,8 @@ static int snd_rawmidi_runtime_create(struct snd_rawmidi_substream *substream)
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{
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struct snd_rawmidi_runtime *runtime;
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if ((runtime = kzalloc(sizeof(*runtime), GFP_KERNEL)) == NULL)
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runtime = kzalloc(sizeof(*runtime), GFP_KERNEL);
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if (!runtime)
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return -ENOMEM;
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runtime->substream = substream;
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spin_lock_init(&runtime->lock);
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@ -124,7 +128,8 @@ static int snd_rawmidi_runtime_create(struct snd_rawmidi_substream *substream)
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runtime->avail = 0;
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else
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runtime->avail = runtime->buffer_size;
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if ((runtime->buffer = kmalloc(runtime->buffer_size, GFP_KERNEL)) == NULL) {
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runtime->buffer = kmalloc(runtime->buffer_size, GFP_KERNEL);
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if (!runtime->buffer) {
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kfree(runtime);
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return -ENOMEM;
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}
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@ -143,7 +148,7 @@ static int snd_rawmidi_runtime_free(struct snd_rawmidi_substream *substream)
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return 0;
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}
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static inline void snd_rawmidi_output_trigger(struct snd_rawmidi_substream *substream,int up)
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static inline void snd_rawmidi_output_trigger(struct snd_rawmidi_substream *substream, int up)
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{
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if (!substream->opened)
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return;
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@ -330,7 +335,7 @@ static int rawmidi_open_priv(struct snd_rawmidi *rmidi, int subdevice, int mode,
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/* called from sound/core/seq/seq_midi.c */
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int snd_rawmidi_kernel_open(struct snd_card *card, int device, int subdevice,
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int mode, struct snd_rawmidi_file * rfile)
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int mode, struct snd_rawmidi_file *rfile)
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{
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struct snd_rawmidi *rmidi;
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int err;
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@ -370,7 +375,7 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file)
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struct snd_rawmidi_file *rawmidi_file = NULL;
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wait_queue_entry_t wait;
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if ((file->f_flags & O_APPEND) && !(file->f_flags & O_NONBLOCK))
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if ((file->f_flags & O_APPEND) && !(file->f_flags & O_NONBLOCK))
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return -EINVAL; /* invalid combination */
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err = nonseekable_open(inode, file);
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@ -520,7 +525,7 @@ int snd_rawmidi_kernel_release(struct snd_rawmidi_file *rfile)
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if (snd_BUG_ON(!rfile))
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return -ENXIO;
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rmidi = rfile->rmidi;
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rawmidi_release_priv(rfile);
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module_put(rmidi->card->module);
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@ -548,7 +553,7 @@ static int snd_rawmidi_info(struct snd_rawmidi_substream *substream,
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struct snd_rawmidi_info *info)
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{
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struct snd_rawmidi *rmidi;
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if (substream == NULL)
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return -ENODEV;
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rmidi = substream->rmidi;
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@ -568,11 +573,13 @@ static int snd_rawmidi_info(struct snd_rawmidi_substream *substream,
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}
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static int snd_rawmidi_info_user(struct snd_rawmidi_substream *substream,
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struct snd_rawmidi_info __user * _info)
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struct snd_rawmidi_info __user *_info)
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{
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struct snd_rawmidi_info info;
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int err;
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if ((err = snd_rawmidi_info(substream, &info)) < 0)
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err = snd_rawmidi_info(substream, &info);
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if (err < 0)
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return err;
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if (copy_to_user(_info, &info, sizeof(struct snd_rawmidi_info)))
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return -EFAULT;
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@ -619,13 +626,15 @@ static int snd_rawmidi_info_select_user(struct snd_card *card,
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{
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int err;
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struct snd_rawmidi_info info;
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if (get_user(info.device, &_info->device))
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return -EFAULT;
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if (get_user(info.stream, &_info->stream))
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return -EFAULT;
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if (get_user(info.subdevice, &_info->subdevice))
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return -EFAULT;
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if ((err = snd_rawmidi_info_select(card, &info)) < 0)
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err = snd_rawmidi_info_select(card, &info);
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if (err < 0)
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return err;
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if (copy_to_user(_info, &info, sizeof(struct snd_rawmidi_info)))
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return -EFAULT;
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@ -633,20 +642,18 @@ static int snd_rawmidi_info_select_user(struct snd_card *card,
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}
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int snd_rawmidi_output_params(struct snd_rawmidi_substream *substream,
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struct snd_rawmidi_params * params)
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struct snd_rawmidi_params *params)
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{
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char *newbuf, *oldbuf;
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struct snd_rawmidi_runtime *runtime = substream->runtime;
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if (substream->append && substream->use_count > 1)
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return -EBUSY;
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snd_rawmidi_drain_output(substream);
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if (params->buffer_size < 32 || params->buffer_size > 1024L * 1024L) {
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if (params->buffer_size < 32 || params->buffer_size > 1024L * 1024L)
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return -EINVAL;
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}
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if (params->avail_min < 1 || params->avail_min > params->buffer_size) {
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if (params->avail_min < 1 || params->avail_min > params->buffer_size)
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return -EINVAL;
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}
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if (params->buffer_size != runtime->buffer_size) {
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newbuf = kmalloc(params->buffer_size, GFP_KERNEL);
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if (!newbuf)
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@ -667,18 +674,16 @@ int snd_rawmidi_output_params(struct snd_rawmidi_substream *substream,
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EXPORT_SYMBOL(snd_rawmidi_output_params);
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int snd_rawmidi_input_params(struct snd_rawmidi_substream *substream,
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struct snd_rawmidi_params * params)
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struct snd_rawmidi_params *params)
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{
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char *newbuf, *oldbuf;
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struct snd_rawmidi_runtime *runtime = substream->runtime;
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snd_rawmidi_drain_input(substream);
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if (params->buffer_size < 32 || params->buffer_size > 1024L * 1024L) {
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if (params->buffer_size < 32 || params->buffer_size > 1024L * 1024L)
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return -EINVAL;
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}
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if (params->avail_min < 1 || params->avail_min > params->buffer_size) {
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if (params->avail_min < 1 || params->avail_min > params->buffer_size)
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return -EINVAL;
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}
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if (params->buffer_size != runtime->buffer_size) {
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newbuf = kmalloc(params->buffer_size, GFP_KERNEL);
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if (!newbuf)
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@ -697,7 +702,7 @@ int snd_rawmidi_input_params(struct snd_rawmidi_substream *substream,
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EXPORT_SYMBOL(snd_rawmidi_input_params);
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static int snd_rawmidi_output_status(struct snd_rawmidi_substream *substream,
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struct snd_rawmidi_status * status)
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struct snd_rawmidi_status *status)
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{
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struct snd_rawmidi_runtime *runtime = substream->runtime;
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@ -710,7 +715,7 @@ static int snd_rawmidi_output_status(struct snd_rawmidi_substream *substream,
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}
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static int snd_rawmidi_input_status(struct snd_rawmidi_substream *substream,
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struct snd_rawmidi_status * status)
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struct snd_rawmidi_status *status)
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{
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struct snd_rawmidi_runtime *runtime = substream->runtime;
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@ -739,6 +744,7 @@ static long snd_rawmidi_ioctl(struct file *file, unsigned int cmd, unsigned long
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{
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int stream;
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struct snd_rawmidi_info __user *info = argp;
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if (get_user(stream, &info->stream))
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return -EFAULT;
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switch (stream) {
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@ -753,6 +759,7 @@ static long snd_rawmidi_ioctl(struct file *file, unsigned int cmd, unsigned long
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case SNDRV_RAWMIDI_IOCTL_PARAMS:
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{
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struct snd_rawmidi_params params;
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if (copy_from_user(¶ms, argp, sizeof(struct snd_rawmidi_params)))
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return -EFAULT;
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switch (params.stream) {
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@ -772,6 +779,7 @@ static long snd_rawmidi_ioctl(struct file *file, unsigned int cmd, unsigned long
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{
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int err = 0;
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struct snd_rawmidi_status status;
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if (copy_from_user(&status, argp, sizeof(struct snd_rawmidi_status)))
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return -EFAULT;
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switch (status.stream) {
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@ -797,6 +805,7 @@ static long snd_rawmidi_ioctl(struct file *file, unsigned int cmd, unsigned long
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case SNDRV_RAWMIDI_IOCTL_DROP:
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{
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int val;
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if (get_user(val, (int __user *) argp))
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return -EFAULT;
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switch (val) {
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@ -811,6 +820,7 @@ static long snd_rawmidi_ioctl(struct file *file, unsigned int cmd, unsigned long
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case SNDRV_RAWMIDI_IOCTL_DRAIN:
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{
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int val;
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if (get_user(val, (int __user *) argp))
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return -EFAULT;
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switch (val) {
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@ -844,7 +854,7 @@ static int snd_rawmidi_control_ioctl(struct snd_card *card,
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case SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE:
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{
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int device;
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if (get_user(device, (int __user *)argp))
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return -EFAULT;
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if (device >= SNDRV_RAWMIDI_DEVICES) /* next device is -1 */
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@ -866,7 +876,7 @@ static int snd_rawmidi_control_ioctl(struct snd_card *card,
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case SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE:
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{
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int val;
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if (get_user(val, (int __user *)argp))
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return -EFAULT;
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control->preferred_subdevice[SND_CTL_SUBDEV_RAWMIDI] = val;
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@ -1020,6 +1030,7 @@ static ssize_t snd_rawmidi_read(struct file *file, char __user *buf, size_t coun
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spin_lock_irq(&runtime->lock);
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while (!snd_rawmidi_ready(substream)) {
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wait_queue_entry_t wait;
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if ((file->f_flags & O_NONBLOCK) != 0 || result > 0) {
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spin_unlock_irq(&runtime->lock);
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return result > 0 ? result : -EAGAIN;
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@ -1072,7 +1083,7 @@ int snd_rawmidi_transmit_empty(struct snd_rawmidi_substream *substream)
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spin_lock_irqsave(&runtime->lock, flags);
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result = runtime->avail >= runtime->buffer_size;
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spin_unlock_irqrestore(&runtime->lock, flags);
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return result;
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return result;
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}
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EXPORT_SYMBOL(snd_rawmidi_transmit_empty);
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@ -1210,7 +1221,7 @@ EXPORT_SYMBOL(snd_rawmidi_transmit_ack);
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* @substream: the rawmidi substream
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* @buffer: the buffer pointer
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* @count: the data size to transfer
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*
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*
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* Copies data from the buffer to the device and advances the pointer.
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*
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* Return: The copied size if successful, or a negative error code on failure.
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@ -1324,6 +1335,7 @@ static ssize_t snd_rawmidi_write(struct file *file, const char __user *buf,
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spin_lock_irq(&runtime->lock);
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while (!snd_rawmidi_ready_append(substream, count)) {
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wait_queue_entry_t wait;
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if (file->f_flags & O_NONBLOCK) {
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spin_unlock_irq(&runtime->lock);
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return result > 0 ? result : -EAGAIN;
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@ -1357,6 +1369,7 @@ static ssize_t snd_rawmidi_write(struct file *file, const char __user *buf,
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while (runtime->avail != runtime->buffer_size) {
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wait_queue_entry_t wait;
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unsigned int last_avail = runtime->avail;
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init_waitqueue_entry(&wait, current);
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add_wait_queue(&runtime->sleep, &wait);
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set_current_state(TASK_INTERRUPTIBLE);
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@ -1374,7 +1387,7 @@ static ssize_t snd_rawmidi_write(struct file *file, const char __user *buf,
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return result;
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}
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static __poll_t snd_rawmidi_poll(struct file *file, poll_table * wait)
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static __poll_t snd_rawmidi_poll(struct file *file, poll_table *wait)
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{
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struct snd_rawmidi_file *rfile;
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struct snd_rawmidi_runtime *runtime;
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@ -1411,7 +1424,6 @@ static __poll_t snd_rawmidi_poll(struct file *file, poll_table * wait)
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#endif
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/*
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*/
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static void snd_rawmidi_proc_info_read(struct snd_info_entry *entry,
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@ -1479,8 +1491,7 @@ static void snd_rawmidi_proc_info_read(struct snd_info_entry *entry,
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* Register functions
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*/
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static const struct file_operations snd_rawmidi_f_ops =
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{
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static const struct file_operations snd_rawmidi_f_ops = {
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.owner = THIS_MODULE,
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.read = snd_rawmidi_read,
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.write = snd_rawmidi_write,
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@ -1535,7 +1546,7 @@ static void release_rawmidi_device(struct device *dev)
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*/
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int snd_rawmidi_new(struct snd_card *card, char *id, int device,
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int output_count, int input_count,
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struct snd_rawmidi ** rrawmidi)
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struct snd_rawmidi **rrawmidi)
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{
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struct snd_rawmidi *rmidi;
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int err;
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@ -1566,21 +1577,24 @@ int snd_rawmidi_new(struct snd_card *card, char *id, int device,
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rmidi->dev.release = release_rawmidi_device;
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dev_set_name(&rmidi->dev, "midiC%iD%i", card->number, device);
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if ((err = snd_rawmidi_alloc_substreams(rmidi,
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&rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT],
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SNDRV_RAWMIDI_STREAM_INPUT,
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input_count)) < 0) {
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err = snd_rawmidi_alloc_substreams(rmidi,
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&rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT],
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SNDRV_RAWMIDI_STREAM_INPUT,
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input_count);
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if (err < 0) {
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snd_rawmidi_free(rmidi);
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return err;
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}
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if ((err = snd_rawmidi_alloc_substreams(rmidi,
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&rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT],
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SNDRV_RAWMIDI_STREAM_OUTPUT,
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output_count)) < 0) {
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err = snd_rawmidi_alloc_substreams(rmidi,
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&rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT],
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SNDRV_RAWMIDI_STREAM_OUTPUT,
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output_count);
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if (err < 0) {
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snd_rawmidi_free(rmidi);
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return err;
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}
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if ((err = snd_device_new(card, SNDRV_DEV_RAWMIDI, rmidi, &ops)) < 0) {
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err = snd_device_new(card, SNDRV_DEV_RAWMIDI, rmidi, &ops);
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if (err < 0) {
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snd_rawmidi_free(rmidi);
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return err;
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}
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@ -1624,6 +1638,7 @@ static int snd_rawmidi_free(struct snd_rawmidi *rmidi)
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static int snd_rawmidi_dev_free(struct snd_device *device)
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{
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struct snd_rawmidi *rmidi = device->device_data;
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return snd_rawmidi_free(rmidi);
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}
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@ -1631,6 +1646,7 @@ static int snd_rawmidi_dev_free(struct snd_device *device)
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static void snd_rawmidi_dev_seq_free(struct snd_seq_device *device)
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{
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struct snd_rawmidi *rmidi = device->private_data;
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rmidi->seq_dev = NULL;
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}
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#endif
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@ -1732,6 +1748,7 @@ static int snd_rawmidi_dev_disconnect(struct snd_device *device)
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list_del_init(&rmidi->list);
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for (dir = 0; dir < 2; dir++) {
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struct snd_rawmidi_substream *s;
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list_for_each_entry(s, &rmidi->streams[dir].substreams, list) {
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if (s->runtime)
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wake_up(&s->runtime->sleep);
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@ -1769,7 +1786,7 @@ void snd_rawmidi_set_ops(struct snd_rawmidi *rmidi, int stream,
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const struct snd_rawmidi_ops *ops)
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{
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struct snd_rawmidi_substream *substream;
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list_for_each_entry(substream, &rmidi->streams[stream].substreams, list)
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substream->ops = ops;
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}
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