pcm_rate_linear: Annotate unused function parameter to avoid compiler warnings.

Signed-off-by: Stefan Schmidt <stefan@slimlogic.co.uk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/src/pcm/pcm_rate_linear.c b/src/pcm/pcm_rate_linear.c
index 8b2d2d02c5026724efc13b756a371830a12bd526..7481b389726a8ee41bc772751a6cf0a01933f0f5 100644 (file)
--- a/src/pcm/pcm_rate_linear.c
+++ b/src/pcm/pcm_rate_linear.c
@@ -405,15 +405,15 @@ static void linear_close(void *obj)
        free(obj);
 }
 
-static int get_supported_rates(void *rate, unsigned int *rate_min,
-                              unsigned int *rate_max)
+static int get_supported_rates(ATTRIBUTE_UNUSED void *rate,
+                              unsigned int *rate_min, unsigned int *rate_max)
 {
        *rate_min = SND_PCM_PLUGIN_RATE_MIN;
        *rate_max = SND_PCM_PLUGIN_RATE_MAX;
        return 0;
 }
 
-static void linear_dump(void *rate, snd_output_t *out)
+static void linear_dump(ATTRIBUTE_UNUSED void *rate, snd_output_t *out)
 {
        snd_output_printf(out, "Converter: linear-interpolation\n");
 }
@@ -432,7 +432,8 @@ static const snd_pcm_rate_ops_t linear_ops = {
        .dump = linear_dump,
 };
 
-int SND_PCM_RATE_PLUGIN_ENTRY(linear) (unsigned int version, void **objp, snd_pcm_rate_ops_t *ops)
+int SND_PCM_RATE_PLUGIN_ENTRY(linear) (ATTRIBUTE_UNUSED unsigned int version,
+                                      void **objp, snd_pcm_rate_ops_t *ops)
 {
        struct rate_linear *rate;