ALSA: Clean up SG-buffer helper functions and macros

[linux-2.6-omap-h63xx.git] / sound / pci / rme9652 / hdspm.c

diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index 83c92e6082a2feb06f75bfece79c948d5de50331..98762f909d6407b75495e4cbc98ad3640d9ea9cb 100644 (file)
--- a/sound/pci/rme9652/hdspm.c
+++ b/sound/pci/rme9652/hdspm.c
@@ -535,7 +535,8 @@ static inline void snd_hdspm_initialize_midi_flush(struct hdspm * hdspm);
 static int hdspm_update_simple_mixer_controls(struct hdspm * hdspm);
 static int hdspm_autosync_ref(struct hdspm * hdspm);
 static int snd_hdspm_set_defaults(struct hdspm * hdspm);
-static void hdspm_set_sgbuf(struct hdspm * hdspm, struct snd_sg_buf *sgbuf,
+static void hdspm_set_sgbuf(struct hdspm * hdspm,
+                           struct snd_pcm_substream *substream,
                             unsigned int reg, int channels);
 
 static inline int HDSPM_bit2freq(int n)
@@ -3604,8 +3605,6 @@ static int snd_hdspm_hw_params(struct snd_pcm_substream *substream,
        int i;
        pid_t this_pid;
        pid_t other_pid;
-       struct snd_sg_buf *sgbuf;
-
 
        spin_lock_irq(&hdspm->lock);
 
@@ -3673,11 +3672,9 @@ static int snd_hdspm_hw_params(struct snd_pcm_substream *substream,
        if (err < 0)
                return err;
 
-       sgbuf = snd_pcm_substream_sgbuf(substream);
-
        if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 
-               hdspm_set_sgbuf(hdspm, sgbuf, HDSPM_pageAddressBufferOut,
+               hdspm_set_sgbuf(hdspm, substream, HDSPM_pageAddressBufferOut,
                                params_channels(params));
 
                for (i = 0; i < params_channels(params); ++i)
@@ -3688,7 +3685,7 @@ static int snd_hdspm_hw_params(struct snd_pcm_substream *substream,
                snd_printdd("Allocated sample buffer for playback at %p\n",
                                hdspm->playback_buffer);
        } else {
-               hdspm_set_sgbuf(hdspm, sgbuf, HDSPM_pageAddressBufferIn,
+               hdspm_set_sgbuf(hdspm, substream, HDSPM_pageAddressBufferIn,
                                params_channels(params));
 
                for (i = 0; i < params_channels(params); ++i)
@@ -3703,7 +3700,7 @@ static int snd_hdspm_hw_params(struct snd_pcm_substream *substream,
           snd_printdd("Allocated sample buffer for %s at 0x%08X\n",
           substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
           "playback" : "capture",
-          snd_pcm_sgbuf_get_addr(sgbuf, 0));
+          snd_pcm_sgbuf_get_addr(substream, 0));
         */
        /*
        snd_printdd("set_hwparams: %s %d Hz, %d channels, bs = %d\n",
@@ -4253,13 +4250,14 @@ static int __devinit snd_hdspm_preallocate_memory(struct hdspm * hdspm)
        return 0;
 }
 
-static void hdspm_set_sgbuf(struct hdspm * hdspm, struct snd_sg_buf *sgbuf,
+static void hdspm_set_sgbuf(struct hdspm * hdspm,
+                           struct snd_pcm_substream *substream,
                             unsigned int reg, int channels)
 {
        int i;
        for (i = 0; i < (channels * 16); i++)
                hdspm_write(hdspm, reg + 4 * i,
-                           snd_pcm_sgbuf_get_addr(sgbuf, (size_t) 4096 * i));
+                           snd_pcm_sgbuf_get_addr(substream, 4096 * i));
 }
 
 /* ------------- ALSA Devices ---------------------------- */