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| author | Hans de Goede <hdegoede@redhat.com> | 2012-05-18 12:21:57 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-07-30 17:57:01 -0300 |
| commit | 3d0fe51cfa3d07751224c034f8226136a7dd05f2 (patch) | |
| tree | a19162d70ec86dcae23bb404c1baa643a52195df /sound/i2c | |
| parent | 31a62d415726d94bae5caf5f2e50232aa06babf6 (diff) | |
| download | linux-stable-3d0fe51cfa3d07751224c034f8226136a7dd05f2.tar.gz linux-stable-3d0fe51cfa3d07751224c034f8226136a7dd05f2.tar.bz2 linux-stable-3d0fe51cfa3d07751224c034f8226136a7dd05f2.zip | |
[media] snd_tea575x: Add a cannot_mute flag
Some devices which use the tea575x tuner chip don't allow direct control
over the IO pins, and thus cannot mute the audio output.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
CC: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'sound/i2c')
| -rw-r--r-- | sound/i2c/other/tea575x-tuner.c | 35 |
1 files changed, 19 insertions, 16 deletions
diff --git a/sound/i2c/other/tea575x-tuner.c b/sound/i2c/other/tea575x-tuner.c index 080aae9d1198..d14edb7d6484 100644 --- a/sound/i2c/other/tea575x-tuner.c +++ b/sound/i2c/other/tea575x-tuner.c @@ -385,7 +385,6 @@ int snd_tea575x_init(struct snd_tea575x *tea, struct module *owner) strlcpy(tea->vd.name, tea->v4l2_dev->name, sizeof(tea->vd.name)); tea->vd.lock = &tea->mutex; tea->vd.v4l2_dev = tea->v4l2_dev; - tea->vd.ctrl_handler = &tea->ctrl_handler; tea->fops = tea575x_fops; tea->fops.owner = owner; tea->vd.fops = &tea->fops; @@ -394,29 +393,33 @@ int snd_tea575x_init(struct snd_tea575x *tea, struct module *owner) if (tea->cannot_read_data) v4l2_disable_ioctl(&tea->vd, VIDIOC_S_HW_FREQ_SEEK); - v4l2_ctrl_handler_init(&tea->ctrl_handler, 1); - v4l2_ctrl_new_std(&tea->ctrl_handler, &tea575x_ctrl_ops, V4L2_CID_AUDIO_MUTE, 0, 1, 1, 1); - retval = tea->ctrl_handler.error; - if (retval) { - v4l2_err(tea->v4l2_dev, "can't initialize controls\n"); - v4l2_ctrl_handler_free(&tea->ctrl_handler); - return retval; - } - - if (tea->ext_init) { - retval = tea->ext_init(tea); + if (!tea->cannot_mute) { + tea->vd.ctrl_handler = &tea->ctrl_handler; + v4l2_ctrl_handler_init(&tea->ctrl_handler, 1); + v4l2_ctrl_new_std(&tea->ctrl_handler, &tea575x_ctrl_ops, + V4L2_CID_AUDIO_MUTE, 0, 1, 1, 1); + retval = tea->ctrl_handler.error; if (retval) { + v4l2_err(tea->v4l2_dev, "can't initialize controls\n"); v4l2_ctrl_handler_free(&tea->ctrl_handler); return retval; } - } - v4l2_ctrl_handler_setup(&tea->ctrl_handler); + if (tea->ext_init) { + retval = tea->ext_init(tea); + if (retval) { + v4l2_ctrl_handler_free(&tea->ctrl_handler); + return retval; + } + } + + v4l2_ctrl_handler_setup(&tea->ctrl_handler); + } retval = video_register_device(&tea->vd, VFL_TYPE_RADIO, tea->radio_nr); if (retval) { v4l2_err(tea->v4l2_dev, "can't register video device!\n"); - v4l2_ctrl_handler_free(&tea->ctrl_handler); + v4l2_ctrl_handler_free(tea->vd.ctrl_handler); return retval; } @@ -426,7 +429,7 @@ int snd_tea575x_init(struct snd_tea575x *tea, struct module *owner) void snd_tea575x_exit(struct snd_tea575x *tea) { video_unregister_device(&tea->vd); - v4l2_ctrl_handler_free(&tea->ctrl_handler); + v4l2_ctrl_handler_free(tea->vd.ctrl_handler); } static int __init alsa_tea575x_module_init(void) |