ALSA: trident: Drop superfluous ioctl PCM ops

snd_trident_ioctl() does nothing but calling the default handler.
Now PCM core accepts NULL as the default ioctl ops(*), so let's drop
altogether.

(*) commit fc033cbf6fb7 ("ALSA: pcm: Allow NULL ioctl ops")

Link: https://lore.kernel.org/r/20191210061145.24641-15-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/trident/trident_main.c b/sound/pci/trident/trident_main.c
index 93789069e78f49c73f230a5a9e678913380bf002..0e02578c2b3d6901952fbcc62053504860dc0dca 100644 (file)
--- a/sound/pci/trident/trident_main.c
+++ b/sound/pci/trident/trident_main.c
@@ -767,29 +767,6 @@ static unsigned int snd_trident_control_mode(struct snd_pcm_substream *substream
  *  PCM part
  */
 
-/*---------------------------------------------------------------------------
-   snd_trident_ioctl
-  
-   Description: Device I/O control handler for playback/capture parameters.
-  
-   Parameters:   substream  - PCM substream class
-                cmd     - what ioctl message to process
-                arg     - additional message infoarg     
-  
-   Returns:     Error status
-  
-  ---------------------------------------------------------------------------*/
-
-static int snd_trident_ioctl(struct snd_pcm_substream *substream,
-                            unsigned int cmd,
-                            void *arg)
-{
-       /* FIXME: it seems that with small periods the behaviour of
-                 trident hardware is unpredictable and interrupt generator
-                 is broken */
-       return snd_pcm_lib_ioctl(substream, cmd, arg);
-}
-
 /*---------------------------------------------------------------------------
    snd_trident_allocate_pcm_mem
   
@@ -2049,7 +2026,6 @@ static int snd_trident_foldback_close(struct snd_pcm_substream *substream)
 static const struct snd_pcm_ops snd_trident_playback_ops = {
        .open =         snd_trident_playback_open,
        .close =        snd_trident_playback_close,
-       .ioctl =        snd_trident_ioctl,
        .hw_params =    snd_trident_hw_params,
        .hw_free =      snd_trident_hw_free,
        .prepare =      snd_trident_playback_prepare,
@@ -2060,7 +2036,6 @@ static const struct snd_pcm_ops snd_trident_playback_ops = {
 static const struct snd_pcm_ops snd_trident_nx_playback_ops = {
        .open =         snd_trident_playback_open,
        .close =        snd_trident_playback_close,
-       .ioctl =        snd_trident_ioctl,
        .hw_params =    snd_trident_hw_params,
        .hw_free =      snd_trident_hw_free,
        .prepare =      snd_trident_playback_prepare,
@@ -2071,7 +2046,6 @@ static const struct snd_pcm_ops snd_trident_nx_playback_ops = {
 static const struct snd_pcm_ops snd_trident_capture_ops = {
        .open =         snd_trident_capture_open,
        .close =        snd_trident_capture_close,
-       .ioctl =        snd_trident_ioctl,
        .hw_params =    snd_trident_capture_hw_params,
        .hw_free =      snd_trident_hw_free,
        .prepare =      snd_trident_capture_prepare,
@@ -2082,7 +2056,6 @@ static const struct snd_pcm_ops snd_trident_capture_ops = {
 static const struct snd_pcm_ops snd_trident_si7018_capture_ops = {
        .open =         snd_trident_capture_open,
        .close =        snd_trident_capture_close,
-       .ioctl =        snd_trident_ioctl,
        .hw_params =    snd_trident_si7018_capture_hw_params,
        .hw_free =      snd_trident_si7018_capture_hw_free,
        .prepare =      snd_trident_si7018_capture_prepare,
@@ -2093,7 +2066,6 @@ static const struct snd_pcm_ops snd_trident_si7018_capture_ops = {
 static const struct snd_pcm_ops snd_trident_foldback_ops = {
        .open =         snd_trident_foldback_open,
        .close =        snd_trident_foldback_close,
-       .ioctl =        snd_trident_ioctl,
        .hw_params =    snd_trident_hw_params,
        .hw_free =      snd_trident_hw_free,
        .prepare =      snd_trident_foldback_prepare,
@@ -2104,7 +2076,6 @@ static const struct snd_pcm_ops snd_trident_foldback_ops = {
 static const struct snd_pcm_ops snd_trident_nx_foldback_ops = {
        .open =         snd_trident_foldback_open,
        .close =        snd_trident_foldback_close,
-       .ioctl =        snd_trident_ioctl,
        .hw_params =    snd_trident_hw_params,
        .hw_free =      snd_trident_hw_free,
        .prepare =      snd_trident_foldback_prepare,
@@ -2115,7 +2086,6 @@ static const struct snd_pcm_ops snd_trident_nx_foldback_ops = {
 static const struct snd_pcm_ops snd_trident_spdif_ops = {
        .open =         snd_trident_spdif_open,
        .close =        snd_trident_spdif_close,
-       .ioctl =        snd_trident_ioctl,
        .hw_params =    snd_trident_spdif_hw_params,
        .hw_free =      snd_trident_hw_free,
        .prepare =      snd_trident_spdif_prepare,
@@ -2126,7 +2096,6 @@ static const struct snd_pcm_ops snd_trident_spdif_ops = {
 static const struct snd_pcm_ops snd_trident_spdif_7018_ops = {
        .open =         snd_trident_spdif_open,
        .close =        snd_trident_spdif_close,
-       .ioctl =        snd_trident_ioctl,
        .hw_params =    snd_trident_spdif_hw_params,
        .hw_free =      snd_trident_hw_free,
        .prepare =      snd_trident_spdif_prepare,