forked from luck/tmp_suning_uos_patched
V4L/DVB (3292): Fix signed/unsigned bug in brightness handling of cx25840
- Fix signed/unsigned bug in brightness handling (set to 0 and 128 was returned). Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
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@ -457,7 +457,7 @@ static int get_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl)
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ctrl->value = state->pvr150_workaround;
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break;
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case V4L2_CID_BRIGHTNESS:
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ctrl->value = cx25840_read(client, 0x414) + 128;
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ctrl->value = (s8)cx25840_read(client, 0x414) + 128;
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break;
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case V4L2_CID_CONTRAST:
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ctrl->value = cx25840_read(client, 0x415) >> 1;
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