diff options
| author | Alexey Klimov <klimov.linux@gmail.com> | 2008-10-09 20:46:59 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-10-13 13:16:10 +0400 |
| commit | b4be2048ce62d05d93608f82d5e986612ed4fdf7 (patch) | |
| tree | 74695e055eaccbd16089801ecac40b32b888e1b2 /drivers/media/radio | |
| parent | 90b698dd47f3929f20746f828e2cd648bc6539dd (diff) | |
| download | linux-b4be2048ce62d05d93608f82d5e986612ed4fdf7.tar.xz | |
V4L/DVB (9152): radio-zoltrix: Add checking for frequency
This patch adds printk messages, adds checking if frequency is set,
adds return -EINVAL in right places in zoltrix-radio.
Signed-off-by: Alexey Klimov <klimov.linux@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/radio')
| -rw-r--r-- | drivers/media/radio/radio-zoltrix.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/media/radio/radio-zoltrix.c b/drivers/media/radio/radio-zoltrix.c index f75da63b1634..15b10bad6796 100644 --- a/drivers/media/radio/radio-zoltrix.c +++ b/drivers/media/radio/radio-zoltrix.c @@ -123,8 +123,11 @@ static int zol_setfreq(struct zol_device *dev, unsigned long freq) unsigned int stereo = dev->stereo; int i; - if (freq == 0) - return 1; + if (freq == 0) { + printk(KERN_WARNING "zoltrix: received zero freq. Failed to set.\n"); + return -EINVAL; + } + m = (freq / 160 - 8800) * 2; f = (unsigned long long) m + 0x4d1c; @@ -279,7 +282,10 @@ static int vidioc_s_frequency(struct file *file, void *priv, struct zol_device *zol = video_drvdata(file); zol->curfreq = f->frequency; - zol_setfreq(zol, zol->curfreq); + if (zol_setfreq(zol, zol->curfreq) != 0) { + printk(KERN_WARNING "zoltrix: Set frequency failed.\n"); + return -EINVAL; + } return 0; } @@ -343,7 +349,10 @@ static int vidioc_s_ctrl(struct file *file, void *priv, return 0; } zol->stereo = 1; - zol_setfreq(zol, zol->curfreq); + if (zol_setfreq(zol, zol->curfreq) != 0) { + printk(KERN_WARNING "zoltrix: Set frequency failed.\n"); + return -EINVAL; + } #if 0 /* FIXME: Implement stereo/mono switch on V4L2 */ if (v->mode & VIDEO_SOUND_STEREO) { |