tdc/lib: reset acam chip on the library automatically.

Put a limit of 10 tries. If after 10 tries we still have not ready the chip, we abort and notify the user. Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com>

tdc/lib: reset acam chip on the library automatically.
Put a limit of 10 tries. If after 10 tries we still have not ready the chip, we abort and notify the user. Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
d268d884 · Samuel Iglesias Gonsálvez · 082475f3 · d268d884
Commit d268d884 authored Oct 17, 2012 by Samuel Iglesias Gonsálvez
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libtdc.c lib/libtdc.c +11 -1

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--- a/lib/libtdc.c
+++ b/lib/libtdc.c
@@ -198,7 +198,17 @@ void tdc_free(struct tdc_time *buffer)

 int tdc_start_acquisition(struct tdc_board *b)
 {
-	return __tdc_sysfs_set(b, "activate_acquisition", 1);
+	int ret, tries = 0;
+
+	do {
+		ret = __tdc_sysfs_set(b, "activate_acquisition", 1);
+		if (ret) {
+			__tdc_sysfs_set(b, "reset_acam", 1);
+			tries++;
+		}
+	} while ((ret !=0) && (tries < 10));
+
+	return ret;
 }

 int tdc_stop_acquisition(struct tdc_board *b)