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authorMarkus Grabner <grabner@icg.tugraz.at>2011-12-05 23:51:52 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2011-12-08 12:33:48 -0800
commit3b35de4126f03d8df089c5fc908c40bb91485f6c (patch)
tree2d6d69988437f2575e2a2495ac72a4542ceb2a63 /drivers/staging/line6
parent251c3948808046c39359658fa2faffff45b825d3 (diff)
staging/line6: Remove obsolete code
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>
Diffstat (limited to 'drivers/staging/line6')
-rw-r--r--drivers/staging/line6/capture.c4
-rw-r--r--drivers/staging/line6/pcm.c17
-rw-r--r--drivers/staging/line6/pcm.h3
-rw-r--r--drivers/staging/line6/playback.c8
4 files changed, 0 insertions, 32 deletions
diff --git a/drivers/staging/line6/capture.c b/drivers/staging/line6/capture.c
index d9da7edf1e7..ba441ed1a87 100644
--- a/drivers/staging/line6/capture.c
+++ b/drivers/staging/line6/capture.c
@@ -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
diff --git a/drivers/staging/line6/pcm.c b/drivers/staging/line6/pcm.c
index 2e4e164e81d..a70c0876842 100644
--- a/drivers/staging/line6/pcm.c
+++ b/drivers/staging/line6/pcm.c
@@ -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;
}
diff --git a/drivers/staging/line6/pcm.h b/drivers/staging/line6/pcm.h
index 77055b3724a..05f4ef3eced 100644
--- a/drivers/staging/line6/pcm.h
+++ b/drivers/staging/line6/pcm.h
@@ -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
*/
diff --git a/drivers/staging/line6/playback.c b/drivers/staging/line6/playback.c
index b3445274072..e495b32ed7d 100644
--- a/drivers/staging/line6/playback.c
+++ b/drivers/staging/line6/playback.c
@@ -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;