diff options
| author | Tobias Lorenz <tobias.lorenz@gmx.net> | 2008-09-25 02:30:26 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-10-18 00:21:50 +0400 |
| commit | 33632d4773b8256c29525b7151cd74226352f838 (patch) | |
| tree | 6ce012949a25ad4f6b38900f9b78e90d2f27f917 /drivers | |
| parent | eb6e3b860e36a3259d3694636ddce2660aabbd2c (diff) | |
| download | linux-33632d4773b8256c29525b7151cd74226352f838.tar.xz | |
V4L/DVB (9216): si470x: tuner->type handling
The V4L2 specification says, when to check and when to return
tuner->type as constant value.
This patch corrects exactly this behavior, so that it is now conform to
the V4L2 specification.
Signed-off-by: Tobias Lorenz <tobias.lorenz@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/radio/radio-si470x.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c index 31da21a38f24..274d8464c02e 100644 --- a/drivers/media/radio/radio-si470x.c +++ b/drivers/media/radio/radio-si470x.c @@ -104,6 +104,7 @@ * - hardware frequency seek support * - afc indication * - more safety checks, let si470x_get_freq return errno + * - vidioc behavior corrected according to v4l2 spec * * ToDo: * - add firmware download/update support @@ -1418,7 +1419,7 @@ static int si470x_vidioc_g_tuner(struct file *file, void *priv, retval = -EIO; goto done; } - if ((tuner->index != 0) && (tuner->type != V4L2_TUNER_RADIO)) { + if (tuner->index != 0) { retval = -EINVAL; goto done; } @@ -1427,7 +1428,11 @@ static int si470x_vidioc_g_tuner(struct file *file, void *priv, if (retval < 0) goto done; + /* driver constants */ strcpy(tuner->name, "FM"); + tuner->type = V4L2_TUNER_RADIO; + tuner->capability = V4L2_TUNER_CAP_LOW; + /* range limits */ switch ((radio->registers[SYSCONFIG2] & SYSCONFIG2_BAND) >> 6) { /* 0: 87.5 - 108 MHz (USA, Europe, default) */ @@ -1447,7 +1452,6 @@ static int si470x_vidioc_g_tuner(struct file *file, void *priv, break; }; tuner->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; - tuner->capability = V4L2_TUNER_CAP_LOW; /* Stereo indicator == Stereo (instead of Mono) */ if ((radio->registers[STATUSRSSI] & STATUSRSSI_ST) == 1) @@ -1478,17 +1482,15 @@ static int si470x_vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *tuner) { struct si470x_device *radio = video_drvdata(file); - int retval = 0; + int retval = -EINVAL; /* safety checks */ if (radio->disconnected) { retval = -EIO; goto done; } - if ((tuner->index != 0) && (tuner->type != V4L2_TUNER_RADIO)) { - retval = -EINVAL; + if (tuner->index != 0) goto done; - } if (tuner->audmode == V4L2_TUNER_MODE_MONO) radio->registers[POWERCFG] |= POWERCFG_MONO; /* force mono */ @@ -1519,11 +1521,12 @@ static int si470x_vidioc_g_frequency(struct file *file, void *priv, retval = -EIO; goto done; } - if ((freq->tuner != 0) && (freq->type != V4L2_TUNER_RADIO)) { + if (freq->tuner != 0) { retval = -EINVAL; goto done; } + freq->type = V4L2_TUNER_RADIO; retval = si470x_get_freq(radio, &freq->frequency); done: @@ -1548,7 +1551,7 @@ static int si470x_vidioc_s_frequency(struct file *file, void *priv, retval = -EIO; goto done; } - if ((freq->tuner != 0) && (freq->type != V4L2_TUNER_RADIO)) { + if (freq->tuner != 0) { retval = -EINVAL; goto done; } @@ -1577,7 +1580,7 @@ static int si470x_vidioc_s_hw_freq_seek(struct file *file, void *priv, retval = -EIO; goto done; } - if ((seek->tuner != 0) && (seek->type != V4L2_TUNER_RADIO)) { + if (seek->tuner != 0) { retval = -EINVAL; goto done; } |