Merge pull request #41 from roadrunner2/touchpad-init-fix

applespi: Fix reading of touchpad init response.
cb22 · Jul 24, 2017 · 14489fe · 14489fe
2 parents 263fc47 + 21155ff
commit 14489fe
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/applespi.c b/applespi.c
@@ -406,13 +406,16 @@ applespi_sync_write_and_response(struct applespi_data *applespi)
 	struct spi_transfer t1;
 	struct spi_transfer t2;
 	struct spi_transfer t3;
+	struct spi_transfer t4;
 	struct spi_message m;
 	ssize_t ret;
 
 	applespi_setup_write_txfr(applespi, &t1, &t2);
 	t2.cs_change = 1;
-	applespi_setup_read_txfr(applespi, &t3);
-	applespi_setup_spi_message(&m, 3, &t1, &t2, &t3);
+	memset(&t3, 0, sizeof(t3));
+	t3.delay_usecs = applespi->spi_settings.reset_rec_usec;
+	applespi_setup_read_txfr(applespi, &t4);
+	applespi_setup_spi_message(&m, 4, &t1, &t2, &t3, &t4);
 
 	ret = applespi_sync(applespi, &m);