From 9a952206904de36cd11f3ca50b2fad01d789e25e Mon Sep 17 00:00:00 2001
From: Philipp Zabel
Date: Fri, 26 Apr 2019 17:31:43 -0700
Subject: [PATCH] Input: synaptics-rmi4 - fix enum_fmt
Do not enumerate all formats, some of which the device may not even
support. Instead, only report the one fixed format of the currently
selected input that will survive try_fmt/s_fmt.
Signed-off-by: Philipp Zabel
Signed-off-by: Dmitry Torokhov
---
drivers/input/rmi4/rmi_f54.c | 20 +++++---------------
1 file changed, 5 insertions(+), 15 deletions(-)
diff --git a/drivers/input/rmi4/rmi_f54.c b/drivers/input/rmi4/rmi_f54.c
index 9ccf7ee0fc67..516fea06ed59 100644
--- a/drivers/input/rmi4/rmi_f54.c
+++ b/drivers/input/rmi4/rmi_f54.c
@@ -456,25 +456,15 @@ static int rmi_f54_vidioc_fmt(struct file *file, void *priv,
static int rmi_f54_vidioc_enum_fmt(struct file *file, void *priv,
struct v4l2_fmtdesc *fmt)
{
+ struct f54_data *f54 = video_drvdata(file);
+
if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
- switch (fmt->index) {
- case 0:
- fmt->pixelformat = V4L2_TCH_FMT_DELTA_TD16;
- break;
-
- case 1:
- fmt->pixelformat = V4L2_TCH_FMT_DELTA_TD08;
- break;
-
- case 2:
- fmt->pixelformat = V4L2_TCH_FMT_TU16;
- break;
-
- default:
+ if (fmt->index)
return -EINVAL;
- }
+
+ fmt->pixelformat = f54->format.pixelformat;
return 0;
}
--
2.11.0