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amvecm: add disable gamma pattern [1/1]

Browse Source 
PD#TV-2138

Problem:
after set gamma pattern, pattern can not resume

Solution:
add disable gamma pattern cmd

Verify:
verify on TL1

Change-Id: I5b123dce185c5f80e21b5e5e4a18ad65f7db626b
Signed-off-by: MingLiang Dong <mingliang.dong@amlogic.com>
This commit is contained in:
MingLiang Dong
2019-01-14 04:59:00 -05:00
committed by Jianxin Pan
parent 59af3e85fc
commit de4e1485d3
1 changed files with 10 additions and 0 deletions
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10
drivers/amlogic/media/enhancement/amvecm/amvecm.c
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@@ -2778,6 +2778,8 @@ static ssize_t set_gamma_pattern_show(struct class *cla,
pr_info("8bit: echo r g b > /sys/class/amvecm/gamma_pattern\n");
pr_info("10bit: echo r g b 0xa > /sys/class/amvecm/gamma_pattern\n");
pr_info(" r g b should be hex\n");
pr_info("disable gamma pattern:\n");
pr_info("echo disable > /sys/class/amvecm/gamma_pattern\n");
return 0;
}
@@ -2807,6 +2809,14 @@ static ssize_t set_gamma_pattern_store(struct class *cls,
parm[n++] = token;
}
if (!strcmp(parm[0], "disable")) {
vecm_latch_flag |= FLAG_GAMMA_TABLE_R;
vecm_latch_flag |= FLAG_GAMMA_TABLE_G;
vecm_latch_flag |= FLAG_GAMMA_TABLE_B;
kfree(buf_orig);
return count;
}
if (*(parm + 3) != NULL) {
if (kstrtol(parm[3], 16, &val) < 0) {
kfree(buf_orig);