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authorJonathan Marek <jonathan@marek.ca>2021-12-22 03:37:41 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-04-08 15:23:12 +0300
commit9af4e473668ab5ac8392d2118bff241c5946c0e7 (patch)
treee70b51b6486106cf4c9441265add204684012f33 /drivers/media
parenta3b104487f745fd17f657d60af491ec6f1d0b27a (diff)
downloadlinux-9af4e473668ab5ac8392d2118bff241c5946c0e7.tar.xz
media: camss: csid-170: set the right HALT_CMD when disabled
[ Upstream commit ee780cd7be3b5608550bafe7d5f113db2140e99b ] Use the "HALT_CMD_RESUME_AT_FRAME_BOUNDARY" define instead of a "1" which is otherwise confusing, and add a "HALT_CMD_HALT_AT_FRAME_BOUNDARY" which is set when disabling. Fixes: eebe6d00e9bf ("media: camss: Add support for CSID hardware version Titan 170") Signed-off-by: Jonathan Marek <jonathan@marek.ca> Reviewed-by: Robert Foss <robert.foss@linaro.org> Tested-by: Julian Grahsl <jgrahsl@snap.com> Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/platform/qcom/camss/camss-csid-170.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/media/platform/qcom/camss/camss-csid-170.c b/drivers/media/platform/qcom/camss/camss-csid-170.c
index a006c8dbceb1..82f59933ad7b 100644
--- a/drivers/media/platform/qcom/camss/camss-csid-170.c
+++ b/drivers/media/platform/qcom/camss/camss-csid-170.c
@@ -105,7 +105,8 @@
#define CSID_RDI_CTRL(rdi) ((IS_LITE ? 0x208 : 0x308)\
+ 0x100 * (rdi))
#define RDI_CTRL_HALT_CMD 0
-#define ALT_CMD_RESUME_AT_FRAME_BOUNDARY 1
+#define HALT_CMD_HALT_AT_FRAME_BOUNDARY 0
+#define HALT_CMD_RESUME_AT_FRAME_BOUNDARY 1
#define RDI_CTRL_HALT_MODE 2
#define CSID_RDI_FRM_DROP_PATTERN(rdi) ((IS_LITE ? 0x20C : 0x30C)\
@@ -444,7 +445,10 @@ static void csid_configure_stream(struct csid_device *csid, u8 enable)
val |= 1 << CSI2_RX_CFG1_MISR_EN;
writel_relaxed(val, csid->base + CSID_CSI2_RX_CFG1); // csi2_vc_mode_shift_val ?
- val = 1 << RDI_CTRL_HALT_CMD;
+ if (enable)
+ val = HALT_CMD_RESUME_AT_FRAME_BOUNDARY << RDI_CTRL_HALT_CMD;
+ else
+ val = HALT_CMD_HALT_AT_FRAME_BOUNDARY << RDI_CTRL_HALT_CMD;
writel_relaxed(val, csid->base + CSID_RDI_CTRL(0));
}