The stream direction in open and close callbacks can be retrieved from substream->direction, hence we don't have to stick with the unique PCM ops hard-coded for each direction. Rewrite the common open/close callback functions.

Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/usb/pcm.c | 34 ++++++++-------------------------- 1 file changed, 8 insertions(+), 26 deletions(-)

diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 20bed1c7a312..d5b9c30d3bb1 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -1227,8 +1227,9 @@ static int setup_hw_info(struct snd_pcm_runtime *runtime, struct snd_usb_substre return err; }

-static int snd_usb_pcm_open(struct snd_pcm_substream *substream, int direction) +static int snd_usb_pcm_open(struct snd_pcm_substream *substream) { + int direction = substream->stream; struct snd_usb_stream *as = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; struct snd_usb_substream *subs = &as->substream[direction]; @@ -1248,8 +1249,9 @@ static int snd_usb_pcm_open(struct snd_pcm_substream *substream, int direction) return setup_hw_info(runtime, subs); }

-static int snd_usb_pcm_close(struct snd_pcm_substream *substream, int direction) +static int snd_usb_pcm_close(struct snd_pcm_substream *substream) { + int direction = substream->stream; struct snd_usb_stream *as = snd_pcm_substream_chip(substream); struct snd_usb_substream *subs = &as->substream[direction];

@@ -1611,26 +1613,6 @@ static void retire_playback_urb(struct snd_usb_substream *subs, spin_unlock_irqrestore(&subs->lock, flags); }

-static int snd_usb_playback_open(struct snd_pcm_substream *substream) -{ - return snd_usb_pcm_open(substream, SNDRV_PCM_STREAM_PLAYBACK); -} - -static int snd_usb_playback_close(struct snd_pcm_substream *substream) -{ - return snd_usb_pcm_close(substream, SNDRV_PCM_STREAM_PLAYBACK); -} - -static int snd_usb_capture_open(struct snd_pcm_substream *substream) -{ - return snd_usb_pcm_open(substream, SNDRV_PCM_STREAM_CAPTURE); -} - -static int snd_usb_capture_close(struct snd_pcm_substream *substream) -{ - return snd_usb_pcm_close(substream, SNDRV_PCM_STREAM_CAPTURE); -} - static int snd_usb_substream_playback_trigger(struct snd_pcm_substream *substream, int cmd) { @@ -1692,8 +1674,8 @@ static int snd_usb_substream_capture_trigger(struct snd_pcm_substream *substream }

static const struct snd_pcm_ops snd_usb_playback_ops = { - .open = snd_usb_playback_open, - .close = snd_usb_playback_close, + .open = snd_usb_pcm_open, + .close = snd_usb_pcm_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = snd_usb_hw_params, .hw_free = snd_usb_hw_free, @@ -1705,8 +1687,8 @@ static const struct snd_pcm_ops snd_usb_playback_ops = { };

static const struct snd_pcm_ops snd_usb_capture_ops = { - .open = snd_usb_capture_open, - .close = snd_usb_capture_close, + .open = snd_usb_pcm_open, + .close = snd_usb_pcm_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = snd_usb_hw_params, .hw_free = snd_usb_hw_free,