[media] S_HW_FREQ_SEEK: set capability flags and return ENODATA instead of EAGAIN

Set the new capability flags in G_TUNER and return ENODATA if no channels
were found.

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

6 files changed, 16 insertions, 8 deletions

diff --git a/drivers/media/radio/radio-mr800.c b/drivers/media/radio/radio-mr800.c
index 94cb6bc690f5..3182b26d6efa 100644
--- a/drivers/media/radio/radio-mr800.c
+++ b/drivers/media/radio/radio-mr800.c
@@ -295,7 +295,8 @@ static int vidioc_g_tuner(struct file *file, void *priv,
         v->type = V4L2_TUNER_RADIO;
         v->rangelow = FREQ_MIN * FREQ_MUL;
         v->rangehigh = FREQ_MAX * FREQ_MUL;
-        v->capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO;
+        v->capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO |
+                V4L2_TUNER_CAP_HWSEEK_WRAP;
         v->rxsubchans = is_stereo ? V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
         v->audmode = radio->stereo ?
                 V4L2_TUNER_MODE_STEREO : V4L2_TUNER_MODE_MONO;
@@ -372,7 +373,7 @@ static int vidioc_s_hw_freq_seek(struct file *file, void *priv,
         timeout = jiffies + msecs_to_jiffies(30000);
         for (;;) {
                 if (time_after(jiffies, timeout)) {
-                        retval = -EAGAIN;
+                        retval = -ENODATA;
                         break;
                 }
                 if (schedule_timeout_interruptible(msecs_to_jiffies(10))) {
diff --git a/drivers/media/radio/radio-wl1273.c b/drivers/media/radio/radio-wl1273.c
index f1b607099b6c..e8428f573ccd 100644
--- a/drivers/media/radio/radio-wl1273.c
+++ b/drivers/media/radio/radio-wl1273.c
@@ -1514,7 +1514,8 @@ static int wl1273_fm_vidioc_g_tuner(struct file *file, void *priv,
         tuner->rangehigh = WL1273_FREQ(WL1273_BAND_OTHER_HIGH);
 
         tuner->capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_RDS |
-                V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_RDS_BLOCK_IO;
+                V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_RDS_BLOCK_IO |
+                V4L2_TUNER_CAP_HWSEEK_BOUNDED | V4L2_TUNER_CAP_HWSEEK_WRAP;
 
         if (radio->stereo)
                 tuner->audmode = V4L2_TUNER_MODE_STEREO;
diff --git a/drivers/media/radio/si470x/radio-si470x-common.c b/drivers/media/radio/si470x/radio-si470x-common.c
index 969cf494d85b..d485b79222fd 100644
--- a/drivers/media/radio/si470x/radio-si470x-common.c
+++ b/drivers/media/radio/si470x/radio-si470x-common.c
@@ -363,7 +363,7 @@ stop:
 
         /* try again, if timed out */
         if (retval == 0 && timed_out)
-                return -EAGAIN;
+                return -ENODATA;
         return retval;
 }
 
@@ -596,7 +596,9 @@ static int si470x_vidioc_g_tuner(struct file *file, void *priv,
         strcpy(tuner->name, "FM");
         tuner->type = V4L2_TUNER_RADIO;
         tuner->capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO |
-                            V4L2_TUNER_CAP_RDS | V4L2_TUNER_CAP_RDS_BLOCK_IO;
+                            V4L2_TUNER_CAP_RDS | V4L2_TUNER_CAP_RDS_BLOCK_IO |
+                            V4L2_TUNER_CAP_HWSEEK_BOUNDED |
+                            V4L2_TUNER_CAP_HWSEEK_WRAP;
 
         /* range limits */
         switch ((radio->registers[SYSCONFIG2] & SYSCONFIG2_BAND) >> 6) {
diff --git a/drivers/media/radio/wl128x/fmdrv_rx.c b/drivers/media/radio/wl128x/fmdrv_rx.c
index 43fb72291bea..3dd9fc097c47 100644
--- a/drivers/media/radio/wl128x/fmdrv_rx.c
+++ b/drivers/media/radio/wl128x/fmdrv_rx.c
@@ -251,7 +251,7 @@ again:
         if (!timeleft) {
                 fmerr("Timeout(%d sec),didn't get tune ended int\n",
                            jiffies_to_msecs(FM_DRV_RX_SEEK_TIMEOUT) / 1000);
-                return -ETIMEDOUT;
+                return -ENODATA;
         }
 
         int_reason = fmdev->irq_info.flag & (FM_TUNE_COMPLETE | FM_BAND_LIMIT);
diff --git a/drivers/media/radio/wl128x/fmdrv_v4l2.c b/drivers/media/radio/wl128x/fmdrv_v4l2.c
index 080b96a61f1a..49a11ec1f449 100644
--- a/drivers/media/radio/wl128x/fmdrv_v4l2.c
+++ b/drivers/media/radio/wl128x/fmdrv_v4l2.c
@@ -285,7 +285,9 @@ static int fm_v4l2_vidioc_g_tuner(struct file *file, void *priv,
         tuner->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO |
         ((fmdev->rx.rds.flag == FM_RDS_ENABLE) ? V4L2_TUNER_SUB_RDS : 0);
         tuner->capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_RDS |
-                            V4L2_TUNER_CAP_LOW;
+                            V4L2_TUNER_CAP_LOW |
+                            V4L2_TUNER_CAP_HWSEEK_BOUNDED |
+                            V4L2_TUNER_CAP_HWSEEK_WRAP;
         tuner->audmode = (stereo_mono_mode ?
                           V4L2_TUNER_MODE_MONO : V4L2_TUNER_MODE_STEREO);
 
diff --git a/sound/i2c/other/tea575x-tuner.c b/sound/i2c/other/tea575x-tuner.c
index 582aace20ea3..ba2bc511d777 100644
--- a/sound/i2c/other/tea575x-tuner.c
+++ b/sound/i2c/other/tea575x-tuner.c
@@ -191,6 +191,8 @@ static int vidioc_g_tuner(struct file *file, void *priv,
         strcpy(v->name, "FM");
         v->type = V4L2_TUNER_RADIO;
         v->capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO;
+        if (!tea->cannot_read_data)
+                v->capability |= V4L2_TUNER_CAP_HWSEEK_BOUNDED;
         v->rangelow = FREQ_LO;
         v->rangehigh = FREQ_HI;
         v->rxsubchans = tea->stereo ? V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
@@ -299,7 +301,7 @@ static int vidioc_s_hw_freq_seek(struct file *file, void *fh,
         }
         tea->val &= ~TEA575X_BIT_SEARCH;
         snd_tea575x_set_freq(tea);
-        return -EAGAIN;
+        return -ENODATA;
 }
 
 static int tea575x_s_ctrl(struct v4l2_ctrl *ctrl)