linux-kernel - [PATCH 1/6] iio: hid-sensor-accel-3d: Add timestamp channel for gravity sensor

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Message-Id: <20210105093515.19135-2-xiang.ye@intel.com>
Date:   Tue,  5 Jan 2021 17:35:10 +0800
From:   Ye Xiang <xiang.ye@...el.com>
To:     jikos@...nel.org, jic23@...nel.org,
        srinivas.pandruvada@...ux.intel.com
Cc:     linux-input@...r.kernel.org, linux-iio@...r.kernel.org,
        linux-kernel@...r.kernel.org, Ye Xiang <xiang.ye@...el.com>
Subject: [PATCH 1/6] iio: hid-sensor-accel-3d: Add timestamp channel for gravity sensor

The accel_3d sensor already has a timestamp channel, this patch just
replicate that for gravity sensor.

Signed-off-by: Ye Xiang <xiang.ye@...el.com>
---
 drivers/iio/accel/hid-sensor-accel-3d.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/iio/accel/hid-sensor-accel-3d.c b/drivers/iio/accel/hid-sensor-accel-3d.c
index 589b7d8a36f2..7cd3cd81b1a7 100644
--- a/drivers/iio/accel/hid-sensor-accel-3d.c
+++ b/drivers/iio/accel/hid-sensor-accel-3d.c
@@ -23,6 +23,7 @@ enum accel_3d_channel {
 	ACCEL_3D_CHANNEL_MAX,
 };
 
+#define CHANNEL_SCAN_INDEX_TIMESTAMP ACCEL_3D_CHANNEL_MAX
 struct accel_3d_state {
 	struct hid_sensor_hub_callbacks callbacks;
 	struct hid_sensor_common common_attributes;
@@ -82,7 +83,7 @@ static const struct iio_chan_spec accel_3d_channels[] = {
 		BIT(IIO_CHAN_INFO_HYSTERESIS),
 		.scan_index = CHANNEL_SCAN_INDEX_Z,
 	},
-	IIO_CHAN_SOFT_TIMESTAMP(3)
+	IIO_CHAN_SOFT_TIMESTAMP(CHANNEL_SCAN_INDEX_TIMESTAMP)
 };
 
 /* Channel definitions */
@@ -117,7 +118,8 @@ static const struct iio_chan_spec gravity_channels[] = {
 		BIT(IIO_CHAN_INFO_SAMP_FREQ) |
 		BIT(IIO_CHAN_INFO_HYSTERESIS),
 		.scan_index = CHANNEL_SCAN_INDEX_Z,
-	}
+	},
+	IIO_CHAN_SOFT_TIMESTAMP(CHANNEL_SCAN_INDEX_TIMESTAMP),
 };
 
 /* Adjust channel real bits based on report descriptor */
-- 
2.17.1