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media: imx: imx7-mipi-csis: Remove link setup on source pad 

The driver rejects enablement of multiple links on its source pad. This
isn't needed, as the CSIS doesn't care. Drop it.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Laurent Pinchart 2020-03-13 00:47:19 +01:00 committed by Mauro Carvalho Chehab
parent 2c2ae48d3b
commit 1d812ad253
1 changed files with 1 additions and 12 deletions
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13
drivers/staging/media/imx/imx7-mipi-csis.c
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@ -254,7 +254,6 @@ struct csi_state {
struct csis_hw_reset hw_reset;
struct regulator *mipi_phy_regulator;
bool sink_linked;
};
struct csis_pix_format {
@ -675,17 +674,7 @@ static int mipi_csis_link_setup(struct media_entity *entity,
mutex_lock(&state->lock);
if (local_pad->flags & MEDIA_PAD_FL_SOURCE) {
if (flags & MEDIA_LNK_FL_ENABLED) {
if (state->sink_linked) {
ret = -EBUSY;
goto out;
}
state->sink_linked = true;
} else {
state->sink_linked = false;
}
} else {
if (local_pad->flags & MEDIA_PAD_FL_SINK) {
if (flags & MEDIA_LNK_FL_ENABLED) {
if (state->src_sd) {
ret = -EBUSY;