alsa: Scan all soundcards and create a sigrok device per input

[libsigrok.git] / hardware / alsa / protocol.h

diff --git a/hardware/alsa/protocol.h b/hardware/alsa/protocol.h
index c66fc1ecf217608e3204a55cbf9d9f7853fd28b8..61aafb384cb1e58835fac50a5c6c2f2862126aca 100644 (file)
--- a/hardware/alsa/protocol.h
+++ b/hardware/alsa/protocol.h
@@ -44,11 +44,14 @@ struct dev_context {
        uint64_t limit_samples;
        uint64_t num_samples;
        uint8_t num_probes;
+       const char *hwdev;
        snd_pcm_t *capture_handle;
        snd_pcm_hw_params_t *hw_params;
        struct pollfd *ufds;
        void *cb_data;
 };
+SR_PRIV GSList *alsa_scan(GSList *options, struct sr_dev_driver *di);
+SR_PRIV void alsa_dev_inst_clear(struct sr_dev_inst *sdi);
 
 SR_PRIV int alsa_receive_data(int fd, int revents, void *cb_data);