[PATCH] media: rkisp1: uapi: change hist_bins array type from __u16 to __u32
Dafna Hirschfeld
dafna.hirschfeld at collabora.com
Tue Jan 19 09:53:41 EST 2021
Each entry in the array is a 20 bits value composed of 16
bits unsigned integer and 4 bits fractional part. So the
type should change to __u32.
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld at collabora.com>
---
This patch is applied on top of v6 of the patchset
"Fix the rkisp1 userspace API for later IP versions"
include/uapi/linux/rkisp1-config.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/include/uapi/linux/rkisp1-config.h b/include/uapi/linux/rkisp1-config.h
index 57ca3eea985f..47f6b84d7c56 100644
--- a/include/uapi/linux/rkisp1-config.h
+++ b/include/uapi/linux/rkisp1-config.h
@@ -895,7 +895,8 @@ struct rkisp1_cif_isp_af_stat {
/**
* struct rkisp1_cif_isp_hist_stat - statistics histogram data
*
- * @hist_bins: measured bin counters
+ * @hist_bins: measured bin counters. Each bin is a 20 bits value
+ * composed of a 16-bit unsigned integer and 4 bits fractional part.
*
* The histogram values divided into 16 bins for V10/V11 and 32 bins
* for V12/V13. It is configured within the struct rkisp1_cif_isp_hst_config.
@@ -909,7 +910,7 @@ struct rkisp1_cif_isp_af_stat {
* RKISP1_CIF_ISP_HIST_BIN_N_MAX is equal to the maximum of the two.
*/
struct rkisp1_cif_isp_hist_stat {
- __u16 hist_bins[RKISP1_CIF_ISP_HIST_BIN_N_MAX];
+ __u32 hist_bins[RKISP1_CIF_ISP_HIST_BIN_N_MAX];
};
/**
--
2.17.1
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