AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

ALSA: usb-audio: Replace s/frame/packet/ where appropriate

Browse Source 
Replace several occurences of "frame" with a "packet" where appropriate.

Signed-off-by: Alexander Tsoy <alexander@tsoy.me>
Link: https://lore.kernel.org/r/20200629025934.154288-2-alexander@tsoy.me
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Alexander Tsoy 2020-06-29 05:59:34 +03:00 committed by Takashi Iwai
parent 695cf5ab40
commit b9fd2007c9
2 changed files with 12 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
sound/usb/card.h
View File

@ -84,10 +84,10 @@ struct snd_usb_endpoint {
dma_addr_t sync_dma; /* DMA address of syncbuf */
unsigned int pipe; /* the data i/o pipe */
unsigned int framesize[2]; /* small/large frame sizes in samples */
unsigned int sample_rem; /* remainder from division fs/fps */
unsigned int packsize[2]; /* small/large packet sizes in samples */
unsigned int sample_rem; /* remainder from division fs/pps */
unsigned int sample_accum; /* sample accumulator */
unsigned int fps; /* frames per second */
unsigned int pps; /* packets per second */
unsigned int freqn; /* nominal sampling rate in fs/fps in Q16.16 format */
unsigned int freqm; /* momentary sampling rate in fs/fps in Q16.16 format */
int freqshift; /* how much to shift the feedback value to get Q16.16 */

19
sound/usb/endpoint.c
View File

@ -159,11 +159,11 @@ int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep)
return ep->maxframesize;
ep->sample_accum += ep->sample_rem;
if (ep->sample_accum >= ep->fps) {
ep->sample_accum -= ep->fps;
ret = ep->framesize[1];
if (ep->sample_accum >= ep->pps) {
ep->sample_accum -= ep->pps;
ret = ep->packsize[1];
} else {
ret = ep->framesize[0];
ret = ep->packsize[0];
}
return ret;
@ -1088,16 +1088,15 @@ int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep,
if (snd_usb_get_speed(ep->chip->dev) == USB_SPEED_FULL) {
ep->freqn = get_usb_full_speed_rate(rate);
ep->fps = 1000;
ep->pps = 1000 >> ep->datainterval;
} else {
ep->freqn = get_usb_high_speed_rate(rate);
ep->fps = 8000;
ep->pps = 8000 >> ep->datainterval;
}
ep->fps >>= ep->datainterval;
ep->sample_rem = rate % ep->fps;
ep->framesize[0] = rate / ep->fps;
ep->framesize[1] = (rate + (ep->fps - 1)) / ep->fps;
ep->sample_rem = rate % ep->pps;
ep->packsize[0] = rate / ep->pps;
ep->packsize[1] = (rate + (ep->pps - 1)) / ep->pps;
/* calculate the frequency in 16.16 format */
ep->freqm = ep->freqn;