Hi Sakari Thanks for your feedback. I will update to the next patch. B.R., Jason -----Original Message----- From: Sakari Ailus [mailto:sakari.ailus@xxxxxxxxxxxxxxx] Sent: Wednesday, November 7, 2018 6:32 PM To: Chen, JasonX Z <jasonx.z.chen@xxxxxxxxx> Cc: linux-media@xxxxxxxxxxxxxxx; Yeh, Andy <andy.yeh@xxxxxxxxx>; tfiga@xxxxxxxxxxxx Subject: Re: [PATCH] media: imx258: remove test pattern map from driver Hi Jason, Thanks for the patch. On Wed, Nov 07, 2018 at 03:22:23PM +0800, jasonx.z.chen@xxxxxxxxx wrote: > From: "Chen, JasonX Z" <jasonx.z.chen@xxxxxxxxx> > > Test Pattern mode be picked at HAL instead of driver. > do a FLIP when userspace use test pattern mode. > add entity_ops for validating imx258 link. > > Signed-off-by: Chen, JasonX Z <jasonx.z.chen@xxxxxxxxx> > --- > drivers/media/i2c/imx258.c | 28 ++++++++-------------------- > 1 file changed, 8 insertions(+), 20 deletions(-) > > diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c > index 31a1e22..71f9875 100644 > --- a/drivers/media/i2c/imx258.c > +++ b/drivers/media/i2c/imx258.c > @@ -62,11 +62,6 @@ > > /* Test Pattern Control */ > #define IMX258_REG_TEST_PATTERN 0x0600 > -#define IMX258_TEST_PATTERN_DISABLE 0 > -#define IMX258_TEST_PATTERN_SOLID_COLOR 1 > -#define IMX258_TEST_PATTERN_COLOR_BARS 2 > -#define IMX258_TEST_PATTERN_GREY_COLOR 3 > -#define IMX258_TEST_PATTERN_PN9 4 > > /* Orientation */ > #define REG_MIRROR_FLIP_CONTROL 0x0101 > @@ -504,20 +499,12 @@ struct imx258_mode { > > static const char * const imx258_test_pattern_menu[] = { > "Disabled", > - "Color Bars", > "Solid Color", > + "Color Bars", > "Grey Color Bars", > "PN9" > }; > > -static const int imx258_test_pattern_val[] = { > - IMX258_TEST_PATTERN_DISABLE, > - IMX258_TEST_PATTERN_COLOR_BARS, > - IMX258_TEST_PATTERN_SOLID_COLOR, > - IMX258_TEST_PATTERN_GREY_COLOR, > - IMX258_TEST_PATTERN_PN9, > -}; > - > /* Configurations for supported link frequencies */ > #define IMX258_LINK_FREQ_634MHZ 633600000ULL > #define IMX258_LINK_FREQ_320MHZ 320000000ULL > @@ -752,7 +739,6 @@ static int imx258_set_ctrl(struct v4l2_ctrl *ctrl) > container_of(ctrl->handler, struct imx258, ctrl_handler); > struct i2c_client *client = v4l2_get_subdevdata(&imx258->sd); > int ret = 0; > - This seems like an unrelated change, and it's a common (and usually good) practice to add an empty line after variable declarations. > /* > * Applying V4L2 control value only happens > * when power is up for streaming > @@ -778,13 +764,10 @@ static int imx258_set_ctrl(struct v4l2_ctrl *ctrl) > case V4L2_CID_TEST_PATTERN: > ret = imx258_write_reg(imx258, IMX258_REG_TEST_PATTERN, > IMX258_REG_VALUE_16BIT, > - imx258_test_pattern_val[ctrl->val]); > - > + ctrl->val); > ret = imx258_write_reg(imx258, REG_MIRROR_FLIP_CONTROL, > IMX258_REG_VALUE_08BIT, > - ctrl->val == imx258_test_pattern_val > - [IMX258_TEST_PATTERN_DISABLE] ? > - REG_CONFIG_MIRROR_FLIP : > + !ctrl->val?REG_CONFIG_MIRROR_FLIP : > REG_CONFIG_FLIP_TEST_PATTERN); > break; > default: > @@ -1105,6 +1088,10 @@ static int imx258_identify_module(struct imx258 *imx258) > .pad = &imx258_pad_ops, > }; > > +static const struct media_entity_operations imx258_subdev_entity_ops = { > + .link_validate = v4l2_subdev_link_validate, }; > + This seems unrelated as well. Do you need the link validation for something? As far as I understand, the driver exposes a single source pad; therefore the link_validate op will never be called. > static const struct v4l2_subdev_internal_ops imx258_internal_ops = { > .open = imx258_open, > }; > @@ -1250,6 +1237,7 @@ static int imx258_probe(struct i2c_client > *client) > > /* Initialize subdev */ > imx258->sd.internal_ops = &imx258_internal_ops; > + imx258->sd.entity.ops = &imx258_subdev_entity_ops; Ditto. > imx258->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; > imx258->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; > -- Kind regards, Sakari Ailus sakari.ailus@xxxxxxxxxxxxxxx
