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-rw-r--r--drivers/media/video/saa7115.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c
index a845582ca5d..b1c5f63bb77 100644
--- a/drivers/media/video/saa7115.c
+++ b/drivers/media/video/saa7115.c
@@ -1310,11 +1310,12 @@ static int saa711x_s_stream(struct v4l2_subdev *sd, int enable)
v4l2_dbg(1, debug, sd, "%s output\n",
enable ? "enable" : "disable");
- if (state->enable != enable) {
- state->enable = enable;
- saa711x_write(sd, R_87_I_PORT_I_O_ENA_OUT_CLK_AND_GATED,
- state->enable);
- }
+ if (state->enable == enable)
+ return 0;
+ state->enable = enable;
+ if (!saa711x_has_reg(state->ident, R_87_I_PORT_I_O_ENA_OUT_CLK_AND_GATED))
+ return 0;
+ saa711x_write(sd, R_87_I_PORT_I_O_ENA_OUT_CLK_AND_GATED, state->enable);
return 0;
}