Commit 6cedf869 authored by Clemens Ladisch's avatar Clemens Ladisch Committed by Takashi Iwai
Browse files

sound: sgio2audio: use vmalloc buffer helper functions 



Remove this duplicate of snd_pcm_alloc_vmalloc_buffer and use the
equivalent core functions instead.

Signed-off-by: default avatarClemens Ladisch <clemens@ladisch.de>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent d20fb5dc

sound/mips/sgio2audio.c

+6 −25
Original line number Diff line number Diff line
@@ -26,7 +26,6 @@ 
#include <linux/delay.h>

#include <linux/spinlock.h>

#include <linux/gfp.h>

#include <linux/vmalloc.h>

#include <linux/interrupt.h>

#include <linux/dma-mapping.h>

#include <linux/platform_device.h>
@@ -603,25 +602,14 @@ static int snd_sgio2audio_pcm_close(struct snd_pcm_substream *substream) 
static int snd_sgio2audio_pcm_hw_params(struct snd_pcm_substream *substream,

					struct snd_pcm_hw_params *hw_params)

{

	struct snd_pcm_runtime *runtime = substream->runtime;

	int size = params_buffer_bytes(hw_params);



	/* alloc virtual 'dma' area */

	if (runtime->dma_area)

		vfree(runtime->dma_area);

	runtime->dma_area = vmalloc_user(size);

	if (runtime->dma_area == NULL)

		return -ENOMEM;

	runtime->dma_bytes = size;

	return 0;

	return snd_pcm_lib_alloc_vmalloc_buffer(substream,

						params_buffer_bytes(hw_params));

}



/* hw_free callback */

static int snd_sgio2audio_pcm_hw_free(struct snd_pcm_substream *substream)

{

	vfree(substream->runtime->dma_area);

	substream->runtime->dma_area = NULL;

	return 0;

	return snd_pcm_lib_free_vmalloc_buffer(substream);

}



/* prepare callback */
@@ -692,13 +680,6 @@ snd_sgio2audio_pcm_pointer(struct snd_pcm_substream *substream) 
			       chip->channel[chan->idx].pos);

}



/* get the physical page pointer on the given offset */

static struct page *snd_sgio2audio_page(struct snd_pcm_substream *substream,

					unsigned long offset)

{

	return vmalloc_to_page(substream->runtime->dma_area + offset);

}



/* operators */

static struct snd_pcm_ops snd_sgio2audio_playback1_ops = {

	.open =        snd_sgio2audio_playback1_open,
@@ -709,7 +690,7 @@ static struct snd_pcm_ops snd_sgio2audio_playback1_ops = { 
	.prepare =     snd_sgio2audio_pcm_prepare,

	.trigger =     snd_sgio2audio_pcm_trigger,

	.pointer =     snd_sgio2audio_pcm_pointer,

	.page =        snd_sgio2audio_page,

	.page =        snd_pcm_lib_get_vmalloc_page,

};



static struct snd_pcm_ops snd_sgio2audio_playback2_ops = {
@@ -721,7 +702,7 @@ static struct snd_pcm_ops snd_sgio2audio_playback2_ops = { 
	.prepare =     snd_sgio2audio_pcm_prepare,

	.trigger =     snd_sgio2audio_pcm_trigger,

	.pointer =     snd_sgio2audio_pcm_pointer,

	.page =        snd_sgio2audio_page,

	.page =        snd_pcm_lib_get_vmalloc_page,

};



static struct snd_pcm_ops snd_sgio2audio_capture_ops = {
@@ -733,7 +714,7 @@ static struct snd_pcm_ops snd_sgio2audio_capture_ops = { 
	.prepare =     snd_sgio2audio_pcm_prepare,

	.trigger =     snd_sgio2audio_pcm_trigger,

	.pointer =     snd_sgio2audio_pcm_pointer,

	.page =        snd_sgio2audio_page,

	.page =        snd_pcm_lib_get_vmalloc_page,

};



/*