[alsa-devel] [PATCH 15/16] [media] solo6x10: Convert to copy_silence ops
Takashi Iwai
tiwai at suse.de
Sun May 21 22:09:49 CEST 2017
Replace the copy and the silence ops with the new merged ops.
It's a capture stream, thus no silence is needed.
Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
drivers/media/pci/solo6x10/solo6x10-g723.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/media/pci/solo6x10/solo6x10-g723.c b/drivers/media/pci/solo6x10/solo6x10-g723.c
index 36e93540bb49..e21db3efb748 100644
--- a/drivers/media/pci/solo6x10/solo6x10-g723.c
+++ b/drivers/media/pci/solo6x10/solo6x10-g723.c
@@ -225,7 +225,7 @@ static snd_pcm_uframes_t snd_solo_pcm_pointer(struct snd_pcm_substream *ss)
static int snd_solo_pcm_copy(struct snd_pcm_substream *ss, int channel,
snd_pcm_uframes_t pos, void __user *dst,
- snd_pcm_uframes_t count)
+ snd_pcm_uframes_t count, bool in_kernel)
{
struct solo_snd_pcm *solo_pcm = snd_pcm_substream_chip(ss);
struct solo_dev *solo_dev = solo_pcm->solo_dev;
@@ -242,10 +242,11 @@ static int snd_solo_pcm_copy(struct snd_pcm_substream *ss, int channel,
if (err)
return err;
- err = copy_to_user(dst + (i * G723_PERIOD_BYTES),
- solo_pcm->g723_buf, G723_PERIOD_BYTES);
-
- if (err)
+ if (in_kernel)
+ memcpy((void *)dst + (i * G723_PERIOD_BYTES),
+ solo_pcm->g723_buf, G723_PERIOD_BYTES);
+ else if (copy_to_user(dst + (i * G723_PERIOD_BYTES),
+ solo_pcm->g723_buf, G723_PERIOD_BYTES))
return -EFAULT;
}
@@ -261,7 +262,7 @@ static const struct snd_pcm_ops snd_solo_pcm_ops = {
.prepare = snd_solo_pcm_prepare,
.trigger = snd_solo_pcm_trigger,
.pointer = snd_solo_pcm_pointer,
- .copy = snd_solo_pcm_copy,
+ .copy_silence = snd_solo_pcm_copy,
};
static int snd_solo_capture_volume_info(struct snd_kcontrol *kcontrol,
--
2.13.0
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