From 668f44a603dd4b3468cecd7d8d6dc525207db94e Mon Sep 17 00:00:00 2001 From: =?utf8?q?Jean-Fran=C3=A7ois=20Moine?= Date: Sat, 25 Dec 2010 13:46:14 -0300 Subject: [PATCH] [media] gspca: Use the global error status for get/set streamparm MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Also, in ov534, don't check the parm type. Signed-off-by: Jean-François Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/gspca.c | 22 ++++++++++++---------- drivers/media/video/gspca/gspca.h | 2 +- drivers/media/video/gspca/ov534.c | 14 ++------------ 3 files changed, 15 insertions(+), 23 deletions(-) diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index 03381c6..92b5dfb 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -1708,12 +1708,13 @@ static int vidioc_g_parm(struct file *filp, void *priv, if (mutex_lock_interruptible(&gspca_dev->usb_lock)) return -ERESTARTSYS; - gspca_dev->usb_err = 0; - if (gspca_dev->present) - ret = gspca_dev->sd_desc->get_streamparm(gspca_dev, - parm); - else + if (gspca_dev->present) { + gspca_dev->usb_err = 0; + gspca_dev->sd_desc->get_streamparm(gspca_dev, parm); + ret = gspca_dev->usb_err; + } else { ret = -ENODEV; + } mutex_unlock(&gspca_dev->usb_lock); return ret; } @@ -1738,12 +1739,13 @@ static int vidioc_s_parm(struct file *filp, void *priv, if (mutex_lock_interruptible(&gspca_dev->usb_lock)) return -ERESTARTSYS; - gspca_dev->usb_err = 0; - if (gspca_dev->present) - ret = gspca_dev->sd_desc->set_streamparm(gspca_dev, - parm); - else + if (gspca_dev->present) { + gspca_dev->usb_err = 0; + gspca_dev->sd_desc->set_streamparm(gspca_dev, parm); + ret = gspca_dev->usb_err; + } else { ret = -ENODEV; + } mutex_unlock(&gspca_dev->usb_lock); return ret; } diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h index d4d210b..3c8a63b 100644 --- a/drivers/media/video/gspca/gspca.h +++ b/drivers/media/video/gspca/gspca.h @@ -93,7 +93,7 @@ typedef int (*cam_reg_op) (struct gspca_dev *, struct v4l2_dbg_register *); typedef int (*cam_ident_op) (struct gspca_dev *, struct v4l2_dbg_chip_ident *); -typedef int (*cam_streamparm_op) (struct gspca_dev *, +typedef void (*cam_streamparm_op) (struct gspca_dev *, struct v4l2_streamparm *); typedef int (*cam_qmnu_op) (struct gspca_dev *, struct v4l2_querymenu *); diff --git a/drivers/media/video/gspca/ov534.c b/drivers/media/video/gspca/ov534.c index 88ef03f..0edf939 100644 --- a/drivers/media/video/gspca/ov534.c +++ b/drivers/media/video/gspca/ov534.c @@ -1243,34 +1243,26 @@ static int sd_querymenu(struct gspca_dev *gspca_dev, } /* get stream parameters (framerate) */ -static int sd_get_streamparm(struct gspca_dev *gspca_dev, +static void sd_get_streamparm(struct gspca_dev *gspca_dev, struct v4l2_streamparm *parm) { struct v4l2_captureparm *cp = &parm->parm.capture; struct v4l2_fract *tpf = &cp->timeperframe; struct sd *sd = (struct sd *) gspca_dev; - if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - cp->capability |= V4L2_CAP_TIMEPERFRAME; tpf->numerator = 1; tpf->denominator = sd->frame_rate; - - return 0; } /* set stream parameters (framerate) */ -static int sd_set_streamparm(struct gspca_dev *gspca_dev, +static void sd_set_streamparm(struct gspca_dev *gspca_dev, struct v4l2_streamparm *parm) { struct v4l2_captureparm *cp = &parm->parm.capture; struct v4l2_fract *tpf = &cp->timeperframe; struct sd *sd = (struct sd *) gspca_dev; - if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - /* Set requested framerate */ sd->frame_rate = tpf->denominator / tpf->numerator; if (gspca_dev->streaming) @@ -1279,8 +1271,6 @@ static int sd_set_streamparm(struct gspca_dev *gspca_dev, /* Return the actual framerate */ tpf->numerator = 1; tpf->denominator = sd->frame_rate; - - return 0; } /* sub-driver description */ -- 2.7.4