Merge tag 'vfio-v5.17-rc1' of git://github.com/awilliam/linux-vfio

[platform/kernel/linux-starfive.git] / sound / pci / mixart / mixart_core.h

diff --git a/sound/pci/mixart/mixart_core.h b/sound/pci/mixart/mixart_core.h
index fbf4731..2f0e29e 100644 (file)
--- a/sound/pci/mixart/mixart_core.h
+++ b/sound/pci/mixart/mixart_core.h
@@ -49,6 +49,7 @@ enum mixart_message_id {
        MSG_CLOCK_SET_PROPERTIES             = 0x200002,
 };
 
+#define MSG_DEFAULT_SIZE            512
 
 struct mixart_msg
 {
@@ -251,10 +252,17 @@ struct mixart_sample_pos
        u32   sample_pos_low_part;
 } __attribute__((packed));
 
+/*
+ * This structure is limited by the size of MSG_DEFAULT_SIZE. Instead of
+ * having MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS many streams,
+ * this is capped to have a total size below MSG_DEFAULT_SIZE.
+ */
+#define MIXART_MAX_TIMER_NOTIFY_STREAMS                                \
+       ((MSG_DEFAULT_SIZE - sizeof(u32)) / sizeof(struct mixart_sample_pos))
 struct mixart_timer_notify
 {
        u32                  stream_count;
-       struct mixart_sample_pos  streams[MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS];
+       struct mixart_sample_pos  streams[MIXART_MAX_TIMER_NOTIFY_STREAMS];
 } __attribute__((packed));