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media: qcom: camss: Use a macro to specify the initial buffer count

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Replace the hardcoded buffer count value with a macro to enable
operating on these buffers elsewhere in the CAMSS driver based on this
count. Some of the hardware architectures require deferring the AUP and
REG update until after the CSID configuration and this macro is expected
to be useful in such scenarios.

Signed-off-by: Hangxiang Ma <hangxiang.ma@oss.qualcomm.com>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
This commit is contained in:
Hangxiang Ma
2025-10-30 23:24:56 +00:00
committed by Hans Verkuil
parent c38d1d7033
commit d5479f002f
2 changed files with 2 additions and 1 deletions
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2
drivers/media/platform/qcom/camss/camss-vfe.c
View File

@@ -541,7 +541,7 @@ int vfe_enable_output_v2(struct vfe_line *line)
ops->vfe_wm_start(vfe, output->wm_idx[0], line);
for (i = 0; i < 2; i++) {
for (i = 0; i < CAMSS_INIT_BUF_COUNT; i++) {
output->buf[i] = vfe_buf_get_pending(output);
if (!output->buf[i])
break;

1
drivers/media/platform/qcom/camss/camss.h
View File

@@ -41,6 +41,7 @@
(to_camss_index(ptr_module, index)->dev)
#define CAMSS_RES_MAX 17
#define CAMSS_INIT_BUF_COUNT 2
struct camss_subdev_resources {
char *regulators[CAMSS_RES_MAX];