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Subject[RFC v5 02/11] [media] vivid: add the V4L2_CAP_ORDERED capability
Date
From: Gustavo Padovan <gustavo.padovan@collabora.com>

vivid guarantees the ordering of buffer when processing then, so add the
V4L2_CAP_ORDERED capability to inform userspace of that.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.com>
---
drivers/media/platform/vivid/vivid-core.c | 19 ++++++++++++-------
1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/drivers/media/platform/vivid/vivid-core.c b/drivers/media/platform/vivid/vivid-core.c
index 5f316a5e38db..f19391fa2d6a 100644
--- a/drivers/media/platform/vivid/vivid-core.c
+++ b/drivers/media/platform/vivid/vivid-core.c
@@ -801,7 +801,8 @@ static int vivid_create_instance(struct platform_device *pdev, int inst)
dev->vid_cap_caps = dev->multiplanar ?
V4L2_CAP_VIDEO_CAPTURE_MPLANE :
V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OVERLAY;
- dev->vid_cap_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE;
+ dev->vid_cap_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE |
+ V4L2_CAP_ORDERED;
if (dev->has_audio_inputs)
dev->vid_cap_caps |= V4L2_CAP_AUDIO;
if (in_type_counter[TV])
@@ -814,7 +815,8 @@ static int vivid_create_instance(struct platform_device *pdev, int inst)
V4L2_CAP_VIDEO_OUTPUT;
if (dev->has_fb)
dev->vid_out_caps |= V4L2_CAP_VIDEO_OUTPUT_OVERLAY;
- dev->vid_out_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE;
+ dev->vid_out_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE |
+ V4L2_CAP_ORDERED;
if (dev->has_audio_outputs)
dev->vid_out_caps |= V4L2_CAP_AUDIO;
}
@@ -822,7 +824,8 @@ static int vivid_create_instance(struct platform_device *pdev, int inst)
/* set up the capabilities of the vbi capture device */
dev->vbi_cap_caps = (dev->has_raw_vbi_cap ? V4L2_CAP_VBI_CAPTURE : 0) |
(dev->has_sliced_vbi_cap ? V4L2_CAP_SLICED_VBI_CAPTURE : 0);
- dev->vbi_cap_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE;
+ dev->vbi_cap_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE |
+ V4L2_CAP_ORDERED;
if (dev->has_audio_inputs)
dev->vbi_cap_caps |= V4L2_CAP_AUDIO;
if (in_type_counter[TV])
@@ -832,24 +835,26 @@ static int vivid_create_instance(struct platform_device *pdev, int inst)
/* set up the capabilities of the vbi output device */
dev->vbi_out_caps = (dev->has_raw_vbi_out ? V4L2_CAP_VBI_OUTPUT : 0) |
(dev->has_sliced_vbi_out ? V4L2_CAP_SLICED_VBI_OUTPUT : 0);
- dev->vbi_out_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE;
+ dev->vbi_out_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE |
+ V4L2_CAP_ORDERED;
if (dev->has_audio_outputs)
dev->vbi_out_caps |= V4L2_CAP_AUDIO;
}
if (dev->has_sdr_cap) {
/* set up the capabilities of the sdr capture device */
dev->sdr_cap_caps = V4L2_CAP_SDR_CAPTURE | V4L2_CAP_TUNER;
- dev->sdr_cap_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE;
+ dev->sdr_cap_caps |= V4L2_CAP_STREAMING | V4L2_CAP_READWRITE |
+ V4L2_CAP_ORDERED;
}
/* set up the capabilities of the radio receiver device */
if (dev->has_radio_rx)
dev->radio_rx_caps = V4L2_CAP_RADIO | V4L2_CAP_RDS_CAPTURE |
V4L2_CAP_HW_FREQ_SEEK | V4L2_CAP_TUNER |
- V4L2_CAP_READWRITE;
+ V4L2_CAP_READWRITE | V4L2_CAP_ORDERED;
/* set up the capabilities of the radio transmitter device */
if (dev->has_radio_tx)
dev->radio_tx_caps = V4L2_CAP_RDS_OUTPUT | V4L2_CAP_MODULATOR |
- V4L2_CAP_READWRITE;
+ V4L2_CAP_READWRITE | V4L2_CAP_ORDERED;

ret = -ENOMEM;
/* initialize the test pattern generator */
--
2.13.6
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