From e1b03ea9e84320e6bf36a1486abaebbceadd7fc7 Mon Sep 17 00:00:00 2001 From: Ben Benson Date: Fri, 21 Jul 2023 15:59:51 +0100 Subject: [PATCH] drivers: media: imx296: Updated imx296 driver for external trigger Updated imx296 driver to support external trigger mode via XTR pin. Added module parameter to control this mode. Signed-off-by: Ben Benson --- drivers/media/i2c/imx296.c | 10 ++++++++++ 1 file changed, 10 insertions(+) --- a/drivers/media/i2c/imx296.c +++ b/drivers/media/i2c/imx296.c @@ -20,6 +20,10 @@ #include #include +static int trigger_mode; +module_param(trigger_mode, int, 0644); +MODULE_PARM_DESC(trigger_mode, "Set trigger mode: 0=default, 1=XTRIG"); + #define IMX296_PIXEL_ARRAY_WIDTH 1456 #define IMX296_PIXEL_ARRAY_HEIGHT 1088 @@ -645,6 +649,12 @@ static int imx296_stream_on(struct imx29 imx296_write(sensor, IMX296_CTRL00, 0, &ret); usleep_range(2000, 5000); + + if (trigger_mode == 1) { + imx296_write(sensor, IMX296_CTRL0B, IMX296_CTRL0B_TRIGEN, &ret); + imx296_write(sensor, IMX296_LOWLAGTRG, IMX296_LOWLAGTRG_FAST, &ret); + } + imx296_write(sensor, IMX296_CTRL0A, 0, &ret); /* vflip and hflip cannot change during streaming */