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path: root/drivers/media/video/ivtv/ivtv-mailbox.c
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Diffstat (limited to 'drivers/media/video/ivtv/ivtv-mailbox.c')
-rw-r--r--drivers/media/video/ivtv/ivtv-mailbox.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/media/video/ivtv/ivtv-mailbox.c b/drivers/media/video/ivtv/ivtv-mailbox.c
index 84577f6f41a2..e3ce96763785 100644
--- a/drivers/media/video/ivtv/ivtv-mailbox.c
+++ b/drivers/media/video/ivtv/ivtv-mailbox.c
@@ -377,3 +377,11 @@ void ivtv_api_get_data(struct ivtv_mailbox_data *mbdata, int mb,
for (i = 0; i < argc; i++, p++)
data[i] = readl(p);
}
+
+/* Wipe api cache */
+void ivtv_mailbox_cache_invalidate(struct ivtv *itv)
+{
+ int i;
+ for (i = 0; i < 256; i++)
+ itv->api_cache[i].last_jiffies = 0;
+}
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