return 0;
}
+
+int pa_oss_get_volume(int fd, const pa_sample_spec *ss, pa_cvolume *volume) {
+ char cv[PA_CVOLUME_SNPRINT_MAX];
+ unsigned vol;
+
+ assert(fd >= 0);
+ assert(ss);
+ assert(volume);
+
+ if (ioctl(fd, SOUND_MIXER_READ_PCM, &vol) < 0)
+ return -1;
+
+ volume->values[0] = ((vol & 0xFF) * PA_VOLUME_NORM) / 100;
+
+ if ((volume->channels = ss->channels) >= 2)
+ volume->values[1] = (((vol >> 8) & 0xFF) * PA_VOLUME_NORM) / 100;
+
+ pa_log_debug(__FILE__": Read mixer settings: %s\n", pa_cvolume_snprint(cv, sizeof(cv), volume));
+ return 0;
+}
+
+int pa_oss_set_volume(int fd, const pa_sample_spec *ss, const pa_cvolume *volume) {
+ char cv[PA_CVOLUME_SNPRINT_MAX];
+ unsigned vol;
+
+ vol = (volume->values[0]*100)/PA_VOLUME_NORM;
+
+ if (ss->channels >= 2)
+ vol |= ((volume->values[1]*100)/PA_VOLUME_NORM) << 8;
+
+ if (ioctl(fd, SOUND_MIXER_WRITE_PCM, &vol) < 0)
+ return -1;
+
+ pa_log_debug(__FILE__": Wrote mixer settings: %s\n", pa_cvolume_snprint(cv, sizeof(cv), volume));
+ return 0;
+}