[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>

diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index d2e066dc5d81690d4d122bea687aaf7f030fa660..de680d095e94dc949fd2663ab326fce4dc515dbd 100644 (file)
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -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;