bugfix: disable output before programming a new delay

This avoids locking the board by programming a bogus delay plus disable repeatedly

bugfix: disable output before programming a new delay
This avoids locking the board by programming a bogus delay plus disable repeatedly
d32dd9fe · Juan David González Cobas · ffc202bf · d32dd9fe
Commit d32dd9fe authored Jun 07, 2013 by Juan David González Cobas
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fd-zio.c kernel/fd-zio.c +1 -0

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--- a/kernel/fd-zio.c
+++ b/kernel/fd-zio.c
@@ -527,6 +527,7 @@ static void __fd_zio_output(struct fd_dev *fd, int index1_4, uint32_t *attrs)
 		dcr |= FD_DCR_NO_FINE;;


+	fd_ch_writel(fd, ch, dcr, FD_REG_DCR);
 	fd_ch_writel(fd, ch, dcr | FD_DCR_UPDATE, FD_REG_DCR);
 	fd_ch_writel(fd, ch, dcr | FD_DCR_ENABLE, FD_REG_DCR);
 	if (mode == FD_OUT_MODE_PULSE)