From 7e13a8a45e3ec1c712f1f3995f7f3daf7fa07ecc Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Niklas=20S=C3=B6derlund?= Date: Fri, 2 Sep 2016 13:44:57 -0300 Subject: [PATCH] [media] media: rcar-vin: make V4L2_FIELD_INTERLACED standard dependent MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The field V4L2_FIELD_INTERLACED is standard dependent and should not unconditionally be equivalent to V4L2_FIELD_INTERLACED_TB. This patch adds a check to see if the video standard can be obtained and if it's a 60 Hz format. If the condition is met V4L2_FIELD_INTERLACED is treated as V4L2_FIELD_INTERLACED_BT if not as V4L2_FIELD_INTERLACED_TB. Signed-off-by: Niklas Söderlund Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/rcar-vin/rcar-dma.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/media/platform/rcar-vin/rcar-dma.c b/drivers/media/platform/rcar-vin/rcar-dma.c index 8397125a8968..01182e0a86f8 100644 --- a/drivers/media/platform/rcar-vin/rcar-dma.c +++ b/drivers/media/platform/rcar-vin/rcar-dma.c @@ -131,6 +131,7 @@ static u32 rvin_read(struct rvin_dev *vin, u32 offset) static int rvin_setup(struct rvin_dev *vin) { u32 vnmc, dmr, dmr2, interrupts; + v4l2_std_id std; bool progressive = false, output_is_yuv = false, input_is_yuv = false; switch (vin->format.field) { @@ -141,6 +142,14 @@ static int rvin_setup(struct rvin_dev *vin) vnmc = VNMC_IM_EVEN; break; case V4L2_FIELD_INTERLACED: + /* Default to TB */ + vnmc = VNMC_IM_FULL; + /* Use BT if video standard can be read and is 60 Hz format */ + if (!v4l2_subdev_call(vin_to_source(vin), video, g_std, &std)) { + if (std & V4L2_STD_525_60) + vnmc = VNMC_IM_FULL | VNMC_FOC; + } + break; case V4L2_FIELD_INTERLACED_TB: vnmc = VNMC_IM_FULL; break;