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[ALSA] usbaudio.c: remove unneeded casts 

Went rummaging through usbaudio.c and found some castings that
aren't needed as far as I can see.  Part of the KernelJanitors
TODO list.

Signed-off-by: John Daiker <daikerjohn@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
John Daiker 2006-12-28 13:55:05 +01:00 committed by Jaroslav Kysela
parent 67e9f4b68c
commit 88518275e3
1 changed files with 10 additions and 10 deletions
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20
sound/usb/usbaudio.c
View File

@ -253,7 +253,7 @@ static int prepare_capture_sync_urb(struct snd_usb_substream *subs,
struct urb *urb)
{
unsigned char *cp = urb->transfer_buffer;
struct snd_urb_ctx *ctx = (struct snd_urb_ctx *)urb->context;
struct snd_urb_ctx *ctx = urb->context;
urb->dev = ctx->subs->dev; /* we need to set this at each time */
urb->iso_frame_desc[0].length = 3;
@ -275,7 +275,7 @@ static int prepare_capture_sync_urb_hs(struct snd_usb_substream *subs,
struct urb *urb)
{
unsigned char *cp = urb->transfer_buffer;
struct snd_urb_ctx *ctx = (struct snd_urb_ctx *)urb->context;
struct snd_urb_ctx *ctx = urb->context;
urb->dev = ctx->subs->dev; /* we need to set this at each time */
urb->iso_frame_desc[0].length = 4;
@ -313,7 +313,7 @@ static int prepare_capture_urb(struct snd_usb_substream *subs,
struct urb *urb)
{
int i, offs;
struct snd_urb_ctx *ctx = (struct snd_urb_ctx *)urb->context;
struct snd_urb_ctx *ctx = urb->context;
offs = 0;
urb->dev = ctx->subs->dev; /* we need to set this at each time */
@ -412,7 +412,7 @@ static int prepare_playback_sync_urb(struct snd_usb_substream *subs,
struct snd_pcm_runtime *runtime,
struct urb *urb)
{
struct snd_urb_ctx *ctx = (struct snd_urb_ctx *)urb->context;
struct snd_urb_ctx *ctx = urb->context;
urb->dev = ctx->subs->dev; /* we need to set this at each time */
urb->iso_frame_desc[0].length = 3;
@ -430,7 +430,7 @@ static int prepare_playback_sync_urb_hs(struct snd_usb_substream *subs,
struct snd_pcm_runtime *runtime,
struct urb *urb)
{
struct snd_urb_ctx *ctx = (struct snd_urb_ctx *)urb->context;
struct snd_urb_ctx *ctx = urb->context;
urb->dev = ctx->subs->dev; /* we need to set this at each time */
urb->iso_frame_desc[0].length = 4;
@ -547,7 +547,7 @@ static int prepare_playback_urb(struct snd_usb_substream *subs,
unsigned int counts;
unsigned long flags;
int period_elapsed = 0;
struct snd_urb_ctx *ctx = (struct snd_urb_ctx *)urb->context;
struct snd_urb_ctx *ctx = urb->context;
stride = runtime->frame_bits >> 3;
@ -665,7 +665,7 @@ static struct snd_urb_ops audio_urb_ops_high_speed[2] = {
*/
static void snd_complete_urb(struct urb *urb)
{
struct snd_urb_ctx *ctx = (struct snd_urb_ctx *)urb->context;
struct snd_urb_ctx *ctx = urb->context;
struct snd_usb_substream *subs = ctx->subs;
struct snd_pcm_substream *substream = ctx->subs->pcm_substream;
int err = 0;
@ -688,7 +688,7 @@ static void snd_complete_urb(struct urb *urb)
*/
static void snd_complete_sync_urb(struct urb *urb)
{
struct snd_urb_ctx *ctx = (struct snd_urb_ctx *)urb->context;
struct snd_urb_ctx *ctx = urb->context;
struct snd_usb_substream *subs = ctx->subs;
struct snd_pcm_substream *substream = ctx->subs->pcm_substream;
int err = 0;
@ -1429,7 +1429,7 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
static int snd_usb_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
struct snd_usb_substream *subs = (struct snd_usb_substream *)substream->runtime->private_data;
struct snd_usb_substream *subs = substream->runtime->private_data;
struct audioformat *fmt;
unsigned int channels, rate, format;
int ret, changed;
@ -1485,7 +1485,7 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream,
*/
static int snd_usb_hw_free(struct snd_pcm_substream *substream)
{
struct snd_usb_substream *subs = (struct snd_usb_substream *)substream->runtime->private_data;
struct snd_usb_substream *subs = substream->runtime->private_data;
subs->cur_audiofmt = NULL;
subs->cur_rate = 0;