Replace the copy and the silence ops with the new merged ops.
The conversion is straightforward with standard helper functions.

Signed-off-by: Takashi Iwai <ti...@suse.de>
---
 sound/pci/rme9652/hdsp.c | 44 ++++++++++++++++++++------------------------
 1 file changed, 20 insertions(+), 24 deletions(-)

diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c
index fc0face6cdc6..5325e91fc3a8 100644
--- a/sound/pci/rme9652/hdsp.c
+++ b/sound/pci/rme9652/hdsp.c
@@ -3913,8 +3913,10 @@ static char *hdsp_channel_buffer_location(struct hdsp 
*hdsp,
                return hdsp->playback_buffer + (mapped_channel * 
HDSP_CHANNEL_BUFFER_BYTES);
 }
 
-static int snd_hdsp_playback_copy(struct snd_pcm_substream *substream, int 
channel,
-                                 snd_pcm_uframes_t pos, void __user *src, 
snd_pcm_uframes_t count)
+static int snd_hdsp_playback_copy(struct snd_pcm_substream *substream,
+                                 int channel, snd_pcm_uframes_t pos,
+                                 void __user *src, snd_pcm_uframes_t count,
+                                 bool in_kernel)
 {
        struct hdsp *hdsp = snd_pcm_substream_chip(substream);
        char *channel_buf;
@@ -3925,13 +3927,19 @@ static int snd_hdsp_playback_copy(struct 
snd_pcm_substream *substream, int chann
        channel_buf = hdsp_channel_buffer_location (hdsp, 
substream->pstr->stream, channel);
        if (snd_BUG_ON(!channel_buf))
                return -EIO;
-       if (copy_from_user(channel_buf + pos * 4, src, count * 4))
+       if (!src)
+               memset(channel_buf + pos * 4, 0, count * 4);
+       else if (in_kernel)
+               memcpy(channel_buf + pos * 4, (void *)src, count * 4);
+       else if (copy_from_user(channel_buf + pos * 4, src, count * 4))
                return -EFAULT;
-       return count;
+       return 0;
 }
 
-static int snd_hdsp_capture_copy(struct snd_pcm_substream *substream, int 
channel,
-                                snd_pcm_uframes_t pos, void __user *dst, 
snd_pcm_uframes_t count)
+static int snd_hdsp_capture_copy(struct snd_pcm_substream *substream,
+                                int channel, snd_pcm_uframes_t pos,
+                                void __user *dst, snd_pcm_uframes_t count,
+                                bool in_kernel)
 {
        struct hdsp *hdsp = snd_pcm_substream_chip(substream);
        char *channel_buf;
@@ -3942,22 +3950,11 @@ static int snd_hdsp_capture_copy(struct 
snd_pcm_substream *substream, int channe
        channel_buf = hdsp_channel_buffer_location (hdsp, 
substream->pstr->stream, channel);
        if (snd_BUG_ON(!channel_buf))
                return -EIO;
-       if (copy_to_user(dst, channel_buf + pos * 4, count * 4))
+       if (in_kernel)
+               memcpy((void *)dst, channel_buf + pos * 4, count * 4);
+       else if (copy_to_user(dst, channel_buf + pos * 4, count * 4))
                return -EFAULT;
-       return count;
-}
-
-static int snd_hdsp_hw_silence(struct snd_pcm_substream *substream, int 
channel,
-                                 snd_pcm_uframes_t pos, snd_pcm_uframes_t 
count)
-{
-       struct hdsp *hdsp = snd_pcm_substream_chip(substream);
-       char *channel_buf;
-
-       channel_buf = hdsp_channel_buffer_location (hdsp, 
substream->pstr->stream, channel);
-       if (snd_BUG_ON(!channel_buf))
-               return -EIO;
-       memset(channel_buf + pos * 4, 0, count * 4);
-       return count;
+       return 0;
 }
 
 static int snd_hdsp_reset(struct snd_pcm_substream *substream)
@@ -4869,8 +4866,7 @@ static const struct snd_pcm_ops snd_hdsp_playback_ops = {
        .prepare =      snd_hdsp_prepare,
        .trigger =      snd_hdsp_trigger,
        .pointer =      snd_hdsp_hw_pointer,
-       .copy =         snd_hdsp_playback_copy,
-       .silence =      snd_hdsp_hw_silence,
+       .copy_silence = snd_hdsp_playback_copy,
 };
 
 static const struct snd_pcm_ops snd_hdsp_capture_ops = {
@@ -4881,7 +4877,7 @@ static const struct snd_pcm_ops snd_hdsp_capture_ops = {
        .prepare =      snd_hdsp_prepare,
        .trigger =      snd_hdsp_trigger,
        .pointer =      snd_hdsp_hw_pointer,
-       .copy =         snd_hdsp_capture_copy,
+       .copy_silence = snd_hdsp_capture_copy,
 };
 
 static int snd_hdsp_create_hwdep(struct snd_card *card, struct hdsp *hdsp)
-- 
2.13.0

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