From 6d75611231fb22dbce0019310a9f3dc66918317e Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Mon, 29 Dec 2008 06:04:16 -0300 Subject: [PATCH] V4L/DVB (10095): The failure of set_fmt is solved in tw9910 priv->scale is checked in start_capture. Therefore, it should be NULL if failing in set_fmt. This patch resolve this problem. Signed-off-by: Kuninori Morimoto Signed-off-by: Guennadi Liakhovetski Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/tw9910.c | 22 ++++++++++++++++------ 1 file changed, 16 insertions(+), 6 deletions(-) diff --git a/drivers/media/video/tw9910.c b/drivers/media/video/tw9910.c index 75cfde02d026..d5cdc4be1a35 100644 --- a/drivers/media/video/tw9910.c +++ b/drivers/media/video/tw9910.c @@ -651,7 +651,7 @@ static int tw9910_set_fmt(struct soc_camera_device *icd, __u32 pixfmt, */ priv->scale = tw9910_select_norm(icd, rect->width, rect->height); if (!priv->scale) - return ret; + goto tw9910_set_fmt_error; /* * reset hardware @@ -659,7 +659,8 @@ static int tw9910_set_fmt(struct soc_camera_device *icd, __u32 pixfmt, tw9910_reset(priv->client); ret = tw9910_write_array(priv->client, tw9910_default_regs); if (ret < 0) - return ret; + goto tw9910_set_fmt_error; + /* * set bus width */ @@ -669,7 +670,7 @@ static int tw9910_set_fmt(struct soc_camera_device *icd, __u32 pixfmt, ret = tw9910_mask_set(priv->client, OPFORM, LEN, val); if (ret < 0) - return ret; + goto tw9910_set_fmt_error; /* * select MPOUT behavior @@ -697,26 +698,35 @@ static int tw9910_set_fmt(struct soc_camera_device *icd, __u32 pixfmt, ret = tw9910_mask_set(priv->client, VBICNTL, RTSEL_MASK, val); if (ret < 0) - return ret; + goto tw9910_set_fmt_error; /* * set scale */ ret = tw9910_set_scale(priv->client, priv->scale); if (ret < 0) - return ret; + goto tw9910_set_fmt_error; /* * set cropping */ ret = tw9910_set_cropping(priv->client, &tw9910_cropping_ctrl); if (ret < 0) - return ret; + goto tw9910_set_fmt_error; /* * set hsync */ ret = tw9910_set_hsync(priv->client, &tw9910_hsync_ctrl); + if (ret < 0) + goto tw9910_set_fmt_error; + + return ret; + +tw9910_set_fmt_error: + + tw9910_reset(priv->client); + priv->scale = NULL; return ret; } -- GitLab