Staging: line6: fix checkpatch errors in playback.c
2 errors left, but they are minor. Lots of warnings also fixed up. Cc: Markus Grabner <grabner@icg.tugraz.at> Cc: Mariusz Kozlowski <m.kozlowski@tuxland.pl> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman
Родитель
9a92fadcc6
Коммит
010f378e8c
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@ -24,30 +24,31 @@
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/*
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Software stereo volume control.
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*/
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static void change_volume(struct urb *urb_out, int volume[], int bytes_per_frame)
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static void change_volume(struct urb *urb_out, int volume[],
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int bytes_per_frame)
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{
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int chn = 0;
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if(volume[0] == 256 && volume[1] == 256)
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if (volume[0] == 256 && volume[1] == 256)
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return; /* maximum volume - no change */
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if(bytes_per_frame == 4) {
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if (bytes_per_frame == 4) {
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short *p, *buf_end;
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p = (short *)urb_out->transfer_buffer;
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buf_end = p + urb_out->transfer_buffer_length / sizeof(*p);
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for(; p < buf_end; ++p) {
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for (; p < buf_end; ++p) {
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*p = (*p * volume[chn & 1]) >> 8;
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++chn;
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}
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}
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else if(bytes_per_frame == 6) {
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} else if (bytes_per_frame == 6) {
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unsigned char *p, *buf_end;
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p = (unsigned char *)urb_out->transfer_buffer;
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buf_end = p + urb_out->transfer_buffer_length;
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for(; p < buf_end; p += 3) {
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int val = p[0] + (p[1] << 8) + ((signed char)p[2] << 16);
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for (; p < buf_end; p += 3) {
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int val;
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val = p[0] + (p[1] << 8) + ((signed char)p[2] << 16);
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val = (val * volume[chn & 1]) >> 8;
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p[0] = val;
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p[1] = val >> 8;
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@ -75,7 +76,7 @@ static int submit_audio_out_urb(struct snd_pcm_substream *substream)
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spin_lock_irqsave(&line6pcm->lock_audio_out, flags);
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index = find_first_zero_bit(&line6pcm->active_urb_out, LINE6_ISO_BUFFERS);
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if(index < 0 || index >= LINE6_ISO_BUFFERS) {
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if (index < 0 || index >= LINE6_ISO_BUFFERS) {
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spin_unlock_irqrestore(&line6pcm->lock_audio_out, flags);
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dev_err(s2m(substream), "no free URB found\n");
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return -EINVAL;
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@ -84,7 +85,7 @@ static int submit_audio_out_urb(struct snd_pcm_substream *substream)
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urb_out = line6pcm->urb_audio_out[index];
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urb_size = 0;
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for(i = 0; i < LINE6_ISO_PACKETS; ++i) {
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for (i = 0; i < LINE6_ISO_PACKETS; ++i) {
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/* compute frame size for given sampling rate */
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int n, fs;
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struct usb_iso_packet_descriptor *fout = &urb_out->iso_frame_desc[i];
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@ -99,12 +100,11 @@ static int submit_audio_out_urb(struct snd_pcm_substream *substream)
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urb_frames = urb_size / bytes_per_frame;
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if(test_bit(BIT_PAUSE_PLAYBACK, &line6pcm->flags)) {
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if (test_bit(BIT_PAUSE_PLAYBACK, &line6pcm->flags)) {
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urb_out->transfer_buffer = line6pcm->wrap_out;
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memset(line6pcm->wrap_out, 0, urb_size);
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}
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else {
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if(line6pcm->pos_out + urb_frames > runtime->buffer_size) {
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} else {
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if (line6pcm->pos_out + urb_frames > runtime->buffer_size) {
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/*
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The transferred area goes over buffer boundary,
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copy the data to the temp buffer.
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@ -113,20 +113,18 @@ static int submit_audio_out_urb(struct snd_pcm_substream *substream)
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len = runtime->buffer_size - line6pcm->pos_out;
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urb_out->transfer_buffer = line6pcm->wrap_out;
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if(len > 0) {
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if (len > 0) {
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memcpy(line6pcm->wrap_out, runtime->dma_area + line6pcm->pos_out * bytes_per_frame, len * bytes_per_frame);
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memcpy(line6pcm->wrap_out + len * bytes_per_frame, runtime->dma_area, (urb_frames - len) * bytes_per_frame);
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}
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else
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} else
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dev_err(s2m(substream), "driver bug: len = %d\n", len); /* this is somewhat paranoid */
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}
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else {
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} else {
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/* set the buffer pointer */
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urb_out->transfer_buffer = runtime->dma_area + line6pcm->pos_out * bytes_per_frame;
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}
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}
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if((line6pcm->pos_out += urb_frames) >= runtime->buffer_size)
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if ((line6pcm->pos_out += urb_frames) >= runtime->buffer_size)
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line6pcm->pos_out -= runtime->buffer_size;
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urb_out->transfer_buffer_length = urb_size;
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@ -134,13 +132,13 @@ static int submit_audio_out_urb(struct snd_pcm_substream *substream)
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change_volume(urb_out, line6pcm->volume, bytes_per_frame);
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#if DO_DUMP_PCM_SEND
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for(i = 0; i < LINE6_ISO_PACKETS; ++i) {
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for (i = 0; i < LINE6_ISO_PACKETS; ++i) {
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struct usb_iso_packet_descriptor *fout = &urb_out->iso_frame_desc[i];
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line6_write_hexdump(line6pcm->line6, 'P', urb_out->transfer_buffer + fout->offset, fout->length);
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}
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#endif
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if(usb_submit_urb(urb_out, GFP_ATOMIC) == 0)
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if (usb_submit_urb(urb_out, GFP_ATOMIC) == 0)
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set_bit(index, &line6pcm->active_urb_out);
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else
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dev_err(s2m(substream), "URB out #%d submission failed\n", index);
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@ -156,9 +154,11 @@ static int submit_audio_out_all_urbs(struct snd_pcm_substream *substream)
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{
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int ret, i;
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for(i = 0; i < LINE6_ISO_BUFFERS; ++i)
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if((ret = submit_audio_out_urb(substream)) < 0)
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for (i = 0; i < LINE6_ISO_BUFFERS; ++i) {
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ret = submit_audio_out_urb(substream);
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if (ret < 0)
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return ret;
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}
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return 0;
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}
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@ -170,9 +170,9 @@ static void unlink_audio_out_urbs(struct snd_line6_pcm *line6pcm)
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{
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unsigned int i;
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for(i = LINE6_ISO_BUFFERS; i--;) {
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if(test_bit(i, &line6pcm->active_urb_out)) {
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if(!test_and_set_bit(i, &line6pcm->unlink_urb_out)) {
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for (i = LINE6_ISO_BUFFERS; i--;) {
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if (test_bit(i, &line6pcm->active_urb_out)) {
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if (!test_and_set_bit(i, &line6pcm->unlink_urb_out)) {
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struct urb *u = line6pcm->urb_audio_out[i];
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usb_unlink_urb(u);
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}
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@ -195,7 +195,7 @@ static void wait_clear_audio_out_urbs(struct snd_line6_pcm *line6pcm)
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if (test_bit(i, &line6pcm->active_urb_out))
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alive++;
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}
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if (! alive)
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if (!alive)
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break;
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout(1);
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@ -229,39 +229,39 @@ static void audio_out_callback(struct urb *urb)
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struct snd_pcm_runtime *runtime = substream->runtime;
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/* find index of URB */
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for(index = LINE6_ISO_BUFFERS; index--;)
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if(urb == line6pcm->urb_audio_out[index])
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for (index = LINE6_ISO_BUFFERS; index--;)
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if (urb == line6pcm->urb_audio_out[index])
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break;
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if(index < 0)
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if (index < 0)
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return; /* URB has been unlinked asynchronously */
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for(i = LINE6_ISO_PACKETS; i--;)
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for (i = LINE6_ISO_PACKETS; i--;)
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length += urb->iso_frame_desc[i].length;
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spin_lock_irqsave(&line6pcm->lock_audio_out, flags);
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line6pcm->pos_out_done += length / line6pcm->properties->bytes_per_frame;
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if(line6pcm->pos_out_done >= runtime->buffer_size)
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if (line6pcm->pos_out_done >= runtime->buffer_size)
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line6pcm->pos_out_done -= runtime->buffer_size;
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clear_bit(index, &line6pcm->active_urb_out);
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for(i = LINE6_ISO_PACKETS; i--;)
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if(urb->iso_frame_desc[i].status == -ESHUTDOWN) {
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for (i = LINE6_ISO_PACKETS; i--;)
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if (urb->iso_frame_desc[i].status == -ESHUTDOWN) {
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shutdown = 1;
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break;
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}
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if(test_bit(index, &line6pcm->unlink_urb_out))
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if (test_bit(index, &line6pcm->unlink_urb_out))
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shutdown = 1;
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spin_unlock_irqrestore(&line6pcm->lock_audio_out, flags);
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if(!shutdown) {
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if (!shutdown) {
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submit_audio_out_urb(substream);
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if((line6pcm->bytes_out += length) >= line6pcm->period_out) {
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if ((line6pcm->bytes_out += length) >= line6pcm->period_out) {
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line6pcm->bytes_out -= line6pcm->period_out;
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snd_pcm_period_elapsed(substream);
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}
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@ -275,8 +275,9 @@ static int snd_line6_playback_open(struct snd_pcm_substream *substream)
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struct snd_pcm_runtime *runtime = substream->runtime;
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struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream);
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if((err = snd_pcm_hw_constraint_ratdens(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
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(&line6pcm->properties->snd_line6_rates))) < 0)
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err = snd_pcm_hw_constraint_ratdens(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
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(&line6pcm->properties->snd_line6_rates));
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if (err < 0)
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return err;
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runtime->hw = line6pcm->properties->snd_line6_playback_hw;
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@ -297,23 +298,25 @@ static int snd_line6_playback_hw_params(struct snd_pcm_substream *substream, str
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/* -- Florian Demski [FD] */
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/* don't ask me why, but this fixes the bug on my machine */
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if ( line6pcm == NULL ) {
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if ( substream->pcm == NULL )
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if (line6pcm == NULL) {
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if (substream->pcm == NULL)
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return -ENOMEM;
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if ( substream->pcm->private_data == NULL )
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if (substream->pcm->private_data == NULL)
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return -ENOMEM;
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substream->private_data = substream->pcm->private_data;
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line6pcm = snd_pcm_substream_chip( substream );
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line6pcm = snd_pcm_substream_chip(substream);
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}
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/* -- [FD] end */
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if((ret = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
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ret = snd_pcm_lib_malloc_pages(substream,
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params_buffer_bytes(hw_params));
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if (ret < 0)
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return ret;
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line6pcm->period_out = params_period_bytes(hw_params);
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line6pcm->wrap_out = kmalloc(2 * LINE6_ISO_PACKET_SIZE_MAX, GFP_KERNEL);
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if(!line6pcm->wrap_out) {
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if (!line6pcm->wrap_out) {
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dev_err(s2m(substream), "cannot malloc wrap_out\n");
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return -ENOMEM;
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}
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@ -327,10 +330,8 @@ static int snd_line6_playback_hw_free(struct snd_pcm_substream *substream)
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struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream);
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unlink_wait_clear_audio_out_urbs(line6pcm);
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if(line6pcm->wrap_out) {
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kfree(line6pcm->wrap_out);
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line6pcm->wrap_out = NULL;
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}
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return snd_pcm_lib_free_pages(substream);
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}
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@ -342,12 +343,12 @@ int snd_line6_playback_trigger(struct snd_pcm_substream *substream, int cmd)
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int err;
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line6pcm->count_out = 0;
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switch(cmd) {
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switch (cmd) {
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case SNDRV_PCM_TRIGGER_START:
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if(!test_and_set_bit(BIT_RUNNING_PLAYBACK, &line6pcm->flags)) {
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if (!test_and_set_bit(BIT_RUNNING_PLAYBACK, &line6pcm->flags)) {
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err = submit_audio_out_all_urbs(substream);
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if(err < 0) {
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if (err < 0) {
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clear_bit(BIT_RUNNING_PLAYBACK, &line6pcm->flags);
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return err;
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}
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@ -356,7 +357,7 @@ int snd_line6_playback_trigger(struct snd_pcm_substream *substream, int cmd)
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break;
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case SNDRV_PCM_TRIGGER_STOP:
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if(test_and_clear_bit(BIT_RUNNING_PLAYBACK, &line6pcm->flags))
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if (test_and_clear_bit(BIT_RUNNING_PLAYBACK, &line6pcm->flags))
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unlink_audio_out_urbs(line6pcm);
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break;
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@ -401,13 +402,13 @@ int create_audio_out_urbs(struct snd_line6_pcm *line6pcm)
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int i;
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/* create audio URBs and fill in constant values: */
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for(i = 0; i < LINE6_ISO_BUFFERS; ++i) {
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for (i = 0; i < LINE6_ISO_BUFFERS; ++i) {
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struct urb *urb;
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/* URB for audio out: */
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urb = line6pcm->urb_audio_out[i] = usb_alloc_urb(LINE6_ISO_PACKETS, GFP_KERNEL);
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if(urb == NULL) {
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if (urb == NULL) {
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dev_err(line6pcm->line6->ifcdev, "Out of memory\n");
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return -ENOMEM;
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}
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