diff options
author | Takashi Iwai <tiwai@suse.de> | 2017-05-10 20:32:25 +0200 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2017-06-02 19:38:01 +0200 |
commit | 0925e6b26fcb52808145fbbb6d769485cb46f47b (patch) | |
tree | 54ba20b997cec8bb91cfd3fcc7dd6d1123af2f2a /sound/pci/rme9652/hdsp.c | |
parent | 7b6ae34da6302ea1b64b45c957c1a323e1fb2e08 (diff) |
ALSA: hdsp: Convert to the new PCM ops
Replace the copy and the silence ops with the new PCM ops.
The conversion is straightforward with standard helper functions.
Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/rme9652/hdsp.c')
-rw-r--r-- | sound/pci/rme9652/hdsp.c | 67 |
1 files changed, 50 insertions, 17 deletions
diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c index fc0face6cdc6..b00009644e0e 100644 --- a/sound/pci/rme9652/hdsp.c +++ b/sound/pci/rme9652/hdsp.c @@ -3913,42 +3913,73 @@ 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, unsigned long pos, + void __user *src, unsigned long count) { struct hdsp *hdsp = snd_pcm_substream_chip(substream); char *channel_buf; - if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES / 4)) + if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES)) return -EINVAL; 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 (copy_from_user(channel_buf + pos, src, count)) 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_playback_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *src, unsigned long count) { struct hdsp *hdsp = snd_pcm_substream_chip(substream); char *channel_buf; - if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES / 4)) + channel_buf = hdsp_channel_buffer_location(hdsp, substream->pstr->stream, channel); + if (snd_BUG_ON(!channel_buf)) + return -EIO; + memcpy(channel_buf + pos, src, count); + return 0; +} + +static int snd_hdsp_capture_copy(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void __user *dst, unsigned long count) +{ + struct hdsp *hdsp = snd_pcm_substream_chip(substream); + char *channel_buf; + + if (snd_BUG_ON(pos + count > HDSP_CHANNEL_BUFFER_BYTES)) return -EINVAL; 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 (copy_to_user(dst, channel_buf + pos, count)) return -EFAULT; - return count; + return 0; } -static int snd_hdsp_hw_silence(struct snd_pcm_substream *substream, int channel, - snd_pcm_uframes_t pos, snd_pcm_uframes_t count) +static int snd_hdsp_capture_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *dst, unsigned long 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; + memcpy(dst, channel_buf + pos, count); + return 0; +} + +static int snd_hdsp_hw_silence(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + unsigned long count) { struct hdsp *hdsp = snd_pcm_substream_chip(substream); char *channel_buf; @@ -3956,8 +3987,8 @@ static int snd_hdsp_hw_silence(struct snd_pcm_substream *substream, int channel, 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; + memset(channel_buf + pos, 0, count); + return 0; } static int snd_hdsp_reset(struct snd_pcm_substream *substream) @@ -4869,8 +4900,9 @@ 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_user = snd_hdsp_playback_copy, + .copy_kernel = snd_hdsp_playback_copy_kernel, + .fill_silence = snd_hdsp_hw_silence, }; static const struct snd_pcm_ops snd_hdsp_capture_ops = { @@ -4881,7 +4913,8 @@ 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_user = snd_hdsp_capture_copy, + .copy_kernel = snd_hdsp_capture_copy_kernel, }; static int snd_hdsp_create_hwdep(struct snd_card *card, struct hdsp *hdsp) |