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Subject[PATCH 1/4] media: mediatek: vcodec: Fix decoder v4l2 bus_info not correctly
Date
Fix v4l2 capability bus_info value with correct chip name according to compatible.

Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
---
.../platform/mediatek/vcodec/mtk_vcodec_dec.c | 23 ++++++++++++++++++-
1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c
index 52e5d36aa912..ccfa426a34ab 100644
--- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c
+++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c
@@ -185,11 +185,32 @@ static int vidioc_vdec_dqbuf(struct file *file, void *priv,
return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
}

+static int mtk_vcodec_dec_get_chip_name(void *priv)
+{
+ struct mtk_vcodec_ctx *ctx = fh_to_ctx(priv);
+ struct device *dev = &ctx->dev->plat_dev->dev;
+
+ if (of_device_is_compatible(dev->of_node, "mediatek,mt8173-vcodec-dec"))
+ return 8173;
+ else if (of_device_is_compatible(dev->of_node, "mediatek,mt8183-vcodec-dec"))
+ return 8183;
+ else if (of_device_is_compatible(dev->of_node, "mediatek,mt8192-vcodec-dec"))
+ return 8192;
+ else if (of_device_is_compatible(dev->of_node, "mediatek,mt8195-vcodec-dec"))
+ return 8195;
+ else if (of_device_is_compatible(dev->of_node, "mediatek,mt8186-vcodec-dec"))
+ return 8186;
+ else
+ return 8173;
+}
+
static int vidioc_vdec_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
+ int platform_name = mtk_vcodec_dec_get_chip_name(priv);
+
strscpy(cap->driver, MTK_VCODEC_DEC_NAME, sizeof(cap->driver));
- strscpy(cap->bus_info, MTK_PLATFORM_STR, sizeof(cap->bus_info));
+ snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:mt%d", platform_name);
strscpy(cap->card, MTK_PLATFORM_STR, sizeof(cap->card));

return 0;
--
2.18.0
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