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misc: mtk/flashlight: optimize for flash light

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camera:
optimize for flash light

Change-Id: Ia5c8614944c1554a1bb1771dcbd2d37bc56cfcbf
Signed-off-by: huangsh4 <huangsh4@lenovo.com>
Reviewed-on: https://gerrit.mot.com/1924674
Reviewed-by: Darong Huang <huangdra@motorola.com>
Reviewed-by: Heng Chen <chenheng3@lenovo.com>
Reviewed-by: Shanghui Zhang <zhangsh@motorola.com>
Reviewed-by: Shenhuai Huang <huangsh4@motorola.com>
Reviewed-by: Zhilong Wang <wangzl30@motorola.com>
Reviewed-by: Xu Ji <jixu@motorola.com>
Reviewed-by: Long Cheng <chengl1@motorola.com>
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Zhuoran Xu <xuzr3@motorola.com>
Reviewed-by: Jian Zhang <zhangjo@motorola.com>
Reviewed-by: Zhichao Chen <chenzc2@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
huangsh4
2021-04-15 16:29:05 +08:00
committed by nisel
parent 622de06aab
commit 45e45c274f
1 changed files with 19 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
drivers/misc/mediatek/flashlight/flashlights-ocp8132.c
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@@ -69,7 +69,7 @@ static struct pinctrl_state *ocp8132_hw_ch1_low;
static int use_count;
static int g_flash_duty = -1;
static int g_flash_channel_idx;
static int g_flash_channel_idx = 0;
/* platform data */
struct ocp8132_platform_data {
@@ -121,35 +121,29 @@ static int ocp8132_pinctrl_init(struct platform_device *pdev)
static int ocp8132_pinctrl_set(int pin, int state)
{
int ret = 0;
struct pinctrl_state *ocp8132_hw_chx_low = ocp8132_hw_ch0_low;
struct pinctrl_state *ocp8132_hw_chx_high = ocp8132_hw_ch0_high;
if (IS_ERR(ocp8132_pinctrl)) {
pr_info("pinctrl is not available\n");
return -1;
}
PK_DBG("g_flash_channel_idx = %d\n", g_flash_channel_idx);
if (g_flash_channel_idx == 0) {
ocp8132_hw_chx_low = ocp8132_hw_ch0_low;
ocp8132_hw_chx_high = ocp8132_hw_ch0_high;
} else if (g_flash_channel_idx == 1) {
ocp8132_hw_chx_low = ocp8132_hw_ch1_low;
ocp8132_hw_chx_high = ocp8132_hw_ch1_high;
} else {
PK_DBG("please check g_flash_channel_idx!!!\n");
}
switch (pin) {
case OCP8132_PINCTRL_PIN_HWEN:
if (state == OCP8132_PINCTRL_PINSTATE_LOW && !IS_ERR(ocp8132_hw_chx_low))
ret = pinctrl_select_state(ocp8132_pinctrl, ocp8132_hw_chx_low);
else if (state == OCP8132_PINCTRL_PINSTATE_HIGH && !IS_ERR(ocp8132_hw_chx_high))
ret = pinctrl_select_state(ocp8132_pinctrl, ocp8132_hw_chx_high);
if(g_flash_channel_idx == 1)
if (state == OCP8132_PINCTRL_PINSTATE_LOW
&& !IS_ERR(ocp8132_hw_ch0_low) && !IS_ERR(ocp8132_hw_ch1_low))
{
ret = pinctrl_select_state(ocp8132_pinctrl, ocp8132_hw_ch0_low);
else if(g_flash_channel_idx == 0)
ret = pinctrl_select_state(ocp8132_pinctrl, ocp8132_hw_ch1_low);
}
else if (state == OCP8132_PINCTRL_PINSTATE_HIGH
&& !IS_ERR(ocp8132_hw_ch0_high) && !IS_ERR(ocp8132_hw_ch1_high) && !IS_ERR(ocp8132_hw_ch1_low))
{
ret = pinctrl_select_state(ocp8132_pinctrl, ocp8132_hw_ch0_high);
if(g_flash_channel_idx == 1)
ret = pinctrl_select_state(ocp8132_pinctrl, ocp8132_hw_ch1_high);
else if(g_flash_channel_idx == 0)
ret = pinctrl_select_state(ocp8132_pinctrl, ocp8132_hw_ch1_low);
}
break;
default:
pr_info("set err, pin(%d) state(%d)\n", pin, state);
@@ -244,8 +238,6 @@ static int ocp8132_ioctl(unsigned int cmd, unsigned long arg)
fl_arg = (struct flashlight_dev_arg *)arg;
channel = fl_arg->channel;
if(g_flash_duty == 1)//for preflash and torch using torch mode
g_flash_channel_idx = channel;
switch (cmd) {
case FLASH_IOC_SET_TIME_OUT_TIME_MS:
@@ -256,8 +248,10 @@ static int ocp8132_ioctl(unsigned int cmd, unsigned long arg)
case FLASH_IOC_SET_DUTY:
pr_debug("FLASH_IOC_SET_DUTY(%d): %d\n",channel, (int)fl_arg->arg);
ocp8132_set_level(fl_arg->arg);
if((int)fl_arg->arg == 0)//for preflash and torch using torch mode
g_flash_channel_idx = 1;//for preflash and torch using torch mode
if((int)fl_arg->arg >= 15)
g_flash_channel_idx = 1;
else
g_flash_channel_idx = 0;
break;
case FLASH_IOC_SET_ONOFF:
@@ -620,3 +614,4 @@ module_exit(flashlight_ocp8132_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Simon Wang <Simon-TCH.Wang@mediatek.com>");
MODULE_DESCRIPTION("MTK Flashlight OCP8132 GPIO Driver");