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staging/line6: Remove obsolete code

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This patch removes experimental code which is no longer used.

Signed-off-by: Markus Grabner <grabner@icg.tugraz.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Markus Grabner 2011-12-05 23:51:52 +01:00 committed by Greg Kroah-Hartman
parent 251c394880
commit 3b35de4126
4 changed files with 0 additions and 32 deletions
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4
drivers/staging/line6/capture.c
View File

@ -244,11 +244,7 @@ static void audio_in_callback(struct urb *urb)
length += fsize;
/* the following assumes LINE6_ISO_PACKETS == 1: */
#if LINE6_BACKUP_MONITOR_SIGNAL
memcpy(line6pcm->prev_fbuf, fbuf, fsize);
#else
line6pcm->prev_fbuf = fbuf;
#endif
line6pcm->prev_fsize = fsize;
#ifdef CONFIG_LINE6_USB_IMPULSE_RESPONSE

17
drivers/staging/line6/pcm.c
View File

@ -93,21 +93,7 @@ int line6_pcm_start(struct snd_line6_pcm *line6pcm, int channels)
unsigned long flags_new = flags_old | channels;
int err = 0;
#if LINE6_BACKUP_MONITOR_SIGNAL
if (!(line6pcm->line6->properties->capabilities & LINE6_BIT_HWMON)) {
line6pcm->prev_fbuf =
kmalloc(LINE6_ISO_PACKETS * line6pcm->max_packet_size,
GFP_KERNEL);
if (!line6pcm->prev_fbuf) {
dev_err(line6pcm->line6->ifcdev,
"cannot malloc monitor buffer\n");
return -ENOMEM;
}
}
#else
line6pcm->prev_fbuf = NULL;
#endif
if (((flags_old & MASK_CAPTURE) == 0) &&
((flags_new & MASK_CAPTURE) != 0)) {
@ -164,9 +150,6 @@ int line6_pcm_stop(struct snd_line6_pcm *line6pcm, int channels)
((flags_new & MASK_PLAYBACK) == 0)) {
line6_unlink_audio_out_urbs(line6pcm);
}
#if LINE6_BACKUP_MONITOR_SIGNAL
kfree(line6pcm->prev_fbuf);
#endif
return 0;
}

3
drivers/staging/line6/pcm.h
View File

@ -39,9 +39,6 @@
#define LINE6_IMPULSE_DEFAULT_PERIOD 100
#endif
#define LINE6_BACKUP_MONITOR_SIGNAL 0
#define LINE6_REUSE_DMA_AREA_FOR_PLAYBACK 0
/*
Get substream from Line6 PCM data structure
*/

8
drivers/staging/line6/playback.c
View File

@ -223,18 +223,10 @@ static int submit_audio_out_urb(struct snd_line6_pcm *line6pcm)
} else
dev_err(line6pcm->line6->ifcdev, "driver bug: len = %d\n", len); /* this is somewhat paranoid */
} else {
#if LINE6_REUSE_DMA_AREA_FOR_PLAYBACK
/* set the buffer pointer */
urb_out->transfer_buffer =
runtime->dma_area +
line6pcm->pos_out * bytes_per_frame;
#else
/* copy data */
memcpy(urb_out->transfer_buffer,
runtime->dma_area +
line6pcm->pos_out * bytes_per_frame,
urb_out->transfer_buffer_length);
#endif
}
line6pcm->pos_out += urb_frames;