diff options
Diffstat (limited to 'sound/core/oss/io.c')
| -rw-r--r-- | sound/core/oss/io.c | 55 |
1 files changed, 31 insertions, 24 deletions
diff --git a/sound/core/oss/io.c b/sound/core/oss/io.c index bb1c99a5b73..6faa1d71920 100644 --- a/sound/core/oss/io.c +++ b/sound/core/oss/io.c @@ -1,6 +1,6 @@ /* * PCM I/O Plug-In Interface - * Copyright (c) 1999 by Jaroslav Kysela <perex@suse.cz> + * Copyright (c) 1999 by Jaroslav Kysela <perex@perex.cz> * * * This library is free software; you can redistribute it and/or modify @@ -19,7 +19,6 @@ * */ -#include <sound/driver.h> #include <linux/time.h> #include <sound/core.h> #include <sound/pcm.h> @@ -35,19 +34,22 @@ * Basic io plugin */ -static snd_pcm_sframes_t io_playback_transfer(snd_pcm_plugin_t *plugin, - const snd_pcm_plugin_channel_t *src_channels, - snd_pcm_plugin_channel_t *dst_channels ATTRIBUTE_UNUSED, +static snd_pcm_sframes_t io_playback_transfer(struct snd_pcm_plugin *plugin, + const struct snd_pcm_plugin_channel *src_channels, + struct snd_pcm_plugin_channel *dst_channels, snd_pcm_uframes_t frames) { - snd_assert(plugin != NULL, return -ENXIO); - snd_assert(src_channels != NULL, return -ENXIO); + if (snd_BUG_ON(!plugin)) + return -ENXIO; + if (snd_BUG_ON(!src_channels)) + return -ENXIO; if (plugin->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED) { return pcm_write(plugin->plug, src_channels->area.addr, frames); } else { int channel, channels = plugin->dst_format.channels; void **bufs = (void**)plugin->extra_data; - snd_assert(bufs != NULL, return -ENXIO); + if (snd_BUG_ON(!bufs)) + return -ENXIO; for (channel = 0; channel < channels; channel++) { if (src_channels[channel].enabled) bufs[channel] = src_channels[channel].area.addr; @@ -58,19 +60,22 @@ static snd_pcm_sframes_t io_playback_transfer(snd_pcm_plugin_t *plugin, } } -static snd_pcm_sframes_t io_capture_transfer(snd_pcm_plugin_t *plugin, - const snd_pcm_plugin_channel_t *src_channels ATTRIBUTE_UNUSED, - snd_pcm_plugin_channel_t *dst_channels, +static snd_pcm_sframes_t io_capture_transfer(struct snd_pcm_plugin *plugin, + const struct snd_pcm_plugin_channel *src_channels, + struct snd_pcm_plugin_channel *dst_channels, snd_pcm_uframes_t frames) { - snd_assert(plugin != NULL, return -ENXIO); - snd_assert(dst_channels != NULL, return -ENXIO); + if (snd_BUG_ON(!plugin)) + return -ENXIO; + if (snd_BUG_ON(!dst_channels)) + return -ENXIO; if (plugin->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED) { return pcm_read(plugin->plug, dst_channels->area.addr, frames); } else { int channel, channels = plugin->dst_format.channels; void **bufs = (void**)plugin->extra_data; - snd_assert(bufs != NULL, return -ENXIO); + if (snd_BUG_ON(!bufs)) + return -ENXIO; for (channel = 0; channel < channels; channel++) { if (dst_channels[channel].enabled) bufs[channel] = dst_channels[channel].area.addr; @@ -82,13 +87,13 @@ static snd_pcm_sframes_t io_capture_transfer(snd_pcm_plugin_t *plugin, return 0; } -static snd_pcm_sframes_t io_src_channels(snd_pcm_plugin_t *plugin, +static snd_pcm_sframes_t io_src_channels(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t frames, - snd_pcm_plugin_channel_t **channels) + struct snd_pcm_plugin_channel **channels) { int err; unsigned int channel; - snd_pcm_plugin_channel_t *v; + struct snd_pcm_plugin_channel *v; err = snd_pcm_plugin_client_channels(plugin, frames, &v); if (err < 0) return err; @@ -100,17 +105,19 @@ static snd_pcm_sframes_t io_src_channels(snd_pcm_plugin_t *plugin, return frames; } -int snd_pcm_plugin_build_io(snd_pcm_plug_t *plug, - snd_pcm_hw_params_t *params, - snd_pcm_plugin_t **r_plugin) +int snd_pcm_plugin_build_io(struct snd_pcm_substream *plug, + struct snd_pcm_hw_params *params, + struct snd_pcm_plugin **r_plugin) { int err; - snd_pcm_plugin_format_t format; - snd_pcm_plugin_t *plugin; + struct snd_pcm_plugin_format format; + struct snd_pcm_plugin *plugin; - snd_assert(r_plugin != NULL, return -ENXIO); + if (snd_BUG_ON(!r_plugin)) + return -ENXIO; *r_plugin = NULL; - snd_assert(plug != NULL && params != NULL, return -ENXIO); + if (snd_BUG_ON(!plug || !params)) + return -ENXIO; format.format = params_format(params); format.rate = params_rate(params); format.channels = params_channels(params); |