Commit 3b35de41 authored by Markus Grabner's avatar Markus Grabner Committed by Greg Kroah-Hartman
Browse files

staging/line6: Remove obsolete code 



This patch removes experimental code which is no longer used.

Signed-off-by: default avatarMarkus Grabner <grabner@icg.tugraz.at>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 251c3948

drivers/staging/line6/capture.c

+0 −4
Original line number Diff line number Diff line
@@ -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

drivers/staging/line6/pcm.c

+0 −17
Original line number Diff line number Diff line
@@ -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;

}

drivers/staging/line6/pcm.h

+0 −3
Original line number Diff line number Diff line
@@ -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

*/

drivers/staging/line6/playback.c

+0 −8
Original line number Diff line number Diff line
@@ -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;