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path: root/drivers/media/i2c/cx25840
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Diffstat (limited to 'drivers/media/i2c/cx25840')
-rw-r--r--drivers/media/i2c/cx25840/cx25840-core.c37
1 files changed, 19 insertions, 18 deletions
diff --git a/drivers/media/i2c/cx25840/cx25840-core.c b/drivers/media/i2c/cx25840/cx25840-core.c
index d8b5343cb80a..a8b1a03d3158 100644
--- a/drivers/media/i2c/cx25840/cx25840-core.c
+++ b/drivers/media/i2c/cx25840/cx25840-core.c
@@ -1716,26 +1716,27 @@ static int cx25840_s_stream(struct v4l2_subdev *sd, int enable)
v4l_dbg(1, cx25840_debug, client, "%s video output\n",
enable ? "enable" : "disable");
+
+ /*
+ * It's not clear what should be done for these devices.
+ * The original code used the same addresses as for the cx25840, but
+ * those addresses do something else entirely on the cx2388x and
+ * cx231xx. Since it never did anything in the first place, just do
+ * nothing.
+ */
+ if (is_cx2388x(state) || is_cx231xx(state))
+ return 0;
+
if (enable) {
- if (is_cx2388x(state) || is_cx231xx(state)) {
- v = cx25840_read(client, 0x421) | 0x0b;
- cx25840_write(client, 0x421, v);
- } else {
- v = cx25840_read(client, 0x115) | 0x0c;
- cx25840_write(client, 0x115, v);
- v = cx25840_read(client, 0x116) | 0x04;
- cx25840_write(client, 0x116, v);
- }
+ v = cx25840_read(client, 0x115) | 0x0c;
+ cx25840_write(client, 0x115, v);
+ v = cx25840_read(client, 0x116) | 0x04;
+ cx25840_write(client, 0x116, v);
} else {
- if (is_cx2388x(state) || is_cx231xx(state)) {
- v = cx25840_read(client, 0x421) & ~(0x0b);
- cx25840_write(client, 0x421, v);
- } else {
- v = cx25840_read(client, 0x115) & ~(0x0c);
- cx25840_write(client, 0x115, v);
- v = cx25840_read(client, 0x116) & ~(0x04);
- cx25840_write(client, 0x116, v);
- }
+ v = cx25840_read(client, 0x115) & ~(0x0c);
+ cx25840_write(client, 0x115, v);
+ v = cx25840_read(client, 0x116) & ~(0x04);
+ cx25840_write(client, 0x116, v);
}
return 0;
}