2 * Conky, a system monitor, based on torsmo
4 * This program is licensed under BSD license, read COPYING
18 #ifdef HAVE_LINUX_SOUNDCARD_H
19 #include <linux/soundcard.h>
21 #include <sys/soundcard.h>
22 #endif /* HAVE_LINUX_SOUNDCARD_H */
24 #define MIXER_DEV "/dev/mixer"
27 static const char *devs[] = SOUND_DEVICE_NAMES;
29 int mixer_init(const char *name)
33 if (name == 0 || name[0] == '\0')
38 mixer_fd = open(MIXER_DEV, O_RDONLY);
40 ERR("can't open %s: %s", MIXER_DEV,
46 for (i = 0; i < sizeof(devs) / sizeof(const char *); i++) {
47 if (strcasecmp(devs[i], name) == 0) {
55 static int mixer_get(int i)
60 if (ioctl(mixer_fd, MIXER_READ(i), &val) == -1) {
62 ERR("mixer ioctl: %s", strerror(errno));
71 int mixer_get_avg(int i)
74 return ((v >> 8) + (v & 0xFF)) / 2;
77 int mixer_get_left(int i)
79 return mixer_get(i) >> 8;
82 int mixer_get_right(int i)
84 return mixer_get(i) & 0xFF;