From f955c4fc863c0823ec6c224b6645ab67c46f1a0d Mon Sep 17 00:00:00 2001
From: Jean-Francois Moine <moinejf@free.fr>
Date: Fri, 28 Nov 2008 08:51:50 -0300
Subject: [PATCH] V4L/DVB (9846): gspca: Do the webcam microphone work when
present.
This patch adds the set/get/enum audio controls.
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
drivers/media/video/gspca/gspca.c | 34 ++++++++++++++++++++++++++++++-
1 file changed, 33 insertions(+), 1 deletion(-)
diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c
index 6d924f18069..a5c21ca959d 100644
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -661,7 +661,7 @@ static int gspca_set_alt0(struct gspca_dev *gspca_dev)
ret = usb_set_interface(gspca_dev->dev, gspca_dev->iface, 0);
if (ret < 0)
- PDEBUG(D_ERR|D_STREAM, "set interface 0 err %d", ret);
+ PDEBUG(D_ERR|D_STREAM, "set alt 0 err %d", ret);
return ret;
}
@@ -1071,6 +1071,35 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
return -EINVAL;
}
+/*fixme: have an audio flag in gspca_dev?*/
+static int vidioc_s_audio(struct file *file, void *priv,
+ struct v4l2_audio *audio)
+{
+ if (audio->index != 0)
+ return -EINVAL;
+ return 0;
+}
+
+static int vidioc_g_audio(struct file *file, void *priv,
+ struct v4l2_audio *audio)
+{
+ memset(audio, 0, sizeof *audio);
+ strcpy(audio->name, "Microphone");
+ return 0;
+}
+
+static int vidioc_enumaudio(struct file *file, void *priv,
+ struct v4l2_audio *audio)
+{
+ if (audio->index != 0)
+ return -EINVAL;
+
+ strcpy(audio->name, "Microphone");
+ audio->capability = 0;
+ audio->mode = 0;
+ return 0;
+}
+
static int vidioc_querymenu(struct file *file, void *priv,
struct v4l2_querymenu *qmenu)
{
@@ -1787,6 +1816,9 @@ static const struct v4l2_ioctl_ops dev_ioctl_ops = {
.vidioc_queryctrl = vidioc_queryctrl,
.vidioc_g_ctrl = vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
+ .vidioc_g_audio = vidioc_g_audio,
+ .vidioc_s_audio = vidioc_s_audio,
+ .vidioc_enumaudio = vidioc_enumaudio,
.vidioc_querymenu = vidioc_querymenu,
.vidioc_enum_input = vidioc_enum_input,
.vidioc_g_input = vidioc_g_input,
--
2.41.3