[media] av7110: fix v4l2_compliance test issues

Besides the usual inconsistencies in input enumeration there was also a
kernel crash if you tried to poll on a vbi node. The checks for sliced
vbi output vs vbi capture were not complete enough.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 35 insertions, 13 deletions

diff --git a/drivers/media/dvb/ttpci/av7110_v4l.c b/drivers/media/dvb/ttpci/av7110_v4l.c
index 3b7a624b5e9f..1b2d15140a1d 100644
--- a/drivers/media/dvb/ttpci/av7110_v4l.c
+++ b/drivers/media/dvb/ttpci/av7110_v4l.c
@@ -107,7 +107,7 @@ static struct v4l2_input inputs[4] = {
                 .index          = 1,
                 .name           = "Television",
                 .type           = V4L2_INPUT_TYPE_TUNER,
-                .audioset       = 2,
+                .audioset       = 1,
                 .tuner          = 0,
                 .std            = V4L2_STD_PAL_BG|V4L2_STD_NTSC_M,
                 .status         = 0,
@@ -494,7 +494,7 @@ static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
         dprintk(2, "VIDIOC_S_INPUT: %d\n", input);
 
         if (!av7110->analog_tuner_flags)
-                return 0;
+                return input ? -EINVAL : 0;
 
         if (input >= 4)
                 return -EINVAL;
@@ -503,19 +503,38 @@ static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
         return av7110_dvb_c_switch(fh);
 }
 
+static int vidioc_enumaudio(struct file *file, void *fh, struct v4l2_audio *a)
+{
+        dprintk(2, "VIDIOC_G_AUDIO: %d\n", a->index);
+        if (a->index != 0)
+                return -EINVAL;
+        *a = msp3400_v4l2_audio;
+        return 0;
+}
+
 static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a)
 {
+        struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
+        struct av7110 *av7110 = (struct av7110 *)dev->ext_priv;
+
         dprintk(2, "VIDIOC_G_AUDIO: %d\n", a->index);
         if (a->index != 0)
                 return -EINVAL;
-        memcpy(a, &msp3400_v4l2_audio, sizeof(struct v4l2_audio));
+        if (av7110->current_input >= 2)
+                return -EINVAL;
+        *a = msp3400_v4l2_audio;
         return 0;
 }
 
 static int vidioc_s_audio(struct file *file, void *fh, struct v4l2_audio *a)
 {
+        struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
+        struct av7110 *av7110 = (struct av7110 *)dev->ext_priv;
+
         dprintk(2, "VIDIOC_S_AUDIO: %d\n", a->index);
-        return 0;
+        if (av7110->current_input >= 2)
+                return -EINVAL;
+        return a->index ? -EINVAL : 0;
 }
 
 static int vidioc_g_sliced_vbi_cap(struct file *file, void *fh,
@@ -809,29 +828,32 @@ int av7110_init_v4l(struct av7110 *av7110)
         vv_data->vid_ops.vidioc_s_tuner = vidioc_s_tuner;
         vv_data->vid_ops.vidioc_g_frequency = vidioc_g_frequency;
         vv_data->vid_ops.vidioc_s_frequency = vidioc_s_frequency;
+        vv_data->vid_ops.vidioc_enumaudio = vidioc_enumaudio;
         vv_data->vid_ops.vidioc_g_audio = vidioc_g_audio;
         vv_data->vid_ops.vidioc_s_audio = vidioc_s_audio;
+        vv_data->vid_ops.vidioc_g_fmt_vbi_cap = NULL;
 
-        vv_data->vbi_ops.vidioc_enum_input = vidioc_enum_input;
-        vv_data->vbi_ops.vidioc_g_input = vidioc_g_input;
-        vv_data->vbi_ops.vidioc_s_input = vidioc_s_input;
         vv_data->vbi_ops.vidioc_g_tuner = vidioc_g_tuner;
         vv_data->vbi_ops.vidioc_s_tuner = vidioc_s_tuner;
         vv_data->vbi_ops.vidioc_g_frequency = vidioc_g_frequency;
         vv_data->vbi_ops.vidioc_s_frequency = vidioc_s_frequency;
-        vv_data->vbi_ops.vidioc_g_audio = vidioc_g_audio;
-        vv_data->vbi_ops.vidioc_s_audio = vidioc_s_audio;
+        vv_data->vbi_ops.vidioc_g_fmt_vbi_cap = NULL;
         vv_data->vbi_ops.vidioc_g_sliced_vbi_cap = vidioc_g_sliced_vbi_cap;
         vv_data->vbi_ops.vidioc_g_fmt_sliced_vbi_out = vidioc_g_fmt_sliced_vbi_out;
         vv_data->vbi_ops.vidioc_s_fmt_sliced_vbi_out = vidioc_s_fmt_sliced_vbi_out;
 
+        if (FW_VERSION(av7110->arm_app) < 0x2623)
+                vv_data->capabilities &= ~V4L2_CAP_SLICED_VBI_OUTPUT;
+
         if (saa7146_register_device(&av7110->v4l_dev, dev, "av7110", VFL_TYPE_GRABBER)) {
                 ERR("cannot register capture device. skipping\n");
                 saa7146_vv_release(dev);
                 return -ENODEV;
         }
-        if (saa7146_register_device(&av7110->vbi_dev, dev, "av7110", VFL_TYPE_VBI))
-                ERR("cannot register vbi v4l2 device. skipping\n");
+        if (FW_VERSION(av7110->arm_app) >= 0x2623) {
+                if (saa7146_register_device(&av7110->vbi_dev, dev, "av7110", VFL_TYPE_VBI))
+                        ERR("cannot register vbi v4l2 device. skipping\n");
+        }
         return 0;
 }
 
@@ -915,7 +937,7 @@ static int std_callback(struct saa7146_dev* dev, struct saa7146_standard *std)
 static struct saa7146_ext_vv av7110_vv_data_st = {
         .inputs         = 1,
         .audios         = 1,
-        .capabilities   = V4L2_CAP_SLICED_VBI_OUTPUT,
+        .capabilities   = V4L2_CAP_SLICED_VBI_OUTPUT | V4L2_CAP_AUDIO,
         .flags          = 0,
 
         .stds           = &standard[0],
@@ -930,7 +952,7 @@ static struct saa7146_ext_vv av7110_vv_data_st = {
 static struct saa7146_ext_vv av7110_vv_data_c = {
         .inputs         = 1,
         .audios         = 1,
-        .capabilities   = V4L2_CAP_TUNER | V4L2_CAP_SLICED_VBI_OUTPUT,
+        .capabilities   = V4L2_CAP_TUNER | V4L2_CAP_SLICED_VBI_OUTPUT | V4L2_CAP_AUDIO,
         .flags          = SAA7146_USE_PORT_B_FOR_VBI,
 
         .stds           = &standard[0],