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ALSA: trident: Drop superfluous ioctl PCM ops

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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 fc033cbf6f ("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>
This commit is contained in:
Takashi Iwai 2019-12-10 07:11:36 +01:00
parent b1b375b062
commit 6b07ea052a
1 changed files with 0 additions and 31 deletions
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31
sound/pci/trident/trident_main.c
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@ -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,