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authorTobias Lorenz <tobias.lorenz@gmx.net>2009-08-09 19:23:02 +0200
committerTobias Lorenz <tobias.lorenz@gmx.net>2009-08-09 19:23:02 +0200
commitedce5773436aeaa6d195d1db0cc80f4c10a7acf1 (patch)
tree4a21b5933d1450f5eecfa17c2033ab61cbfbd2bd /linux/drivers/media/radio/si470x/radio-si470x-common.c
parent951be4abc87f0caf46aba5d23981a83c323deda2 (diff)
downloadmediapointer-dvb-s2-edce5773436aeaa6d195d1db0cc80f4c10a7acf1.tar.gz
mediapointer-dvb-s2-edce5773436aeaa6d195d1db0cc80f4c10a7acf1.tar.bz2
radio-si470x: add disconnect check function
The si470x_disconnect_check is function to check disconnect state of radio in common file. The function is implemented in each interface file. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Acked-by: Tobias Lorenz <tobias.lorenz@gmx.net> --- .../media/radio/si470x/radio-si470x-common.c | 40 +++++++++---------- .../drivers/media/radio/si470x/radio-si470x-usb.c | 17 ++++++++ linux/drivers/media/radio/si470x/radio-si470x.h | 1 + 3 files changed, 37 insertions(+), 21 deletions(-)
Diffstat (limited to 'linux/drivers/media/radio/si470x/radio-si470x-common.c')
-rw-r--r--linux/drivers/media/radio/si470x/radio-si470x-common.c40
1 files changed, 19 insertions, 21 deletions
diff --git a/linux/drivers/media/radio/si470x/radio-si470x-common.c b/linux/drivers/media/radio/si470x/radio-si470x-common.c
index fd9fc4aa8..9f9a417ca 100644
--- a/linux/drivers/media/radio/si470x/radio-si470x-common.c
+++ b/linux/drivers/media/radio/si470x/radio-si470x-common.c
@@ -475,10 +475,9 @@ static int si470x_vidioc_g_ctrl(struct file *file, void *priv,
int retval = 0;
/* safety checks */
- if (radio->disconnected) {
- retval = -EIO;
+ retval = si470x_disconnect_check(radio);
+ if (retval)
goto done;
- }
switch (ctrl->id) {
case V4L2_CID_AUDIO_VOLUME:
@@ -511,10 +510,9 @@ static int si470x_vidioc_s_ctrl(struct file *file, void *priv,
int retval = 0;
/* safety checks */
- if (radio->disconnected) {
- retval = -EIO;
+ retval = si470x_disconnect_check(radio);
+ if (retval)
goto done;
- }
switch (ctrl->id) {
case V4L2_CID_AUDIO_VOLUME:
@@ -567,10 +565,10 @@ static int si470x_vidioc_g_tuner(struct file *file, void *priv,
int retval = 0;
/* safety checks */
- if (radio->disconnected) {
- retval = -EIO;
+ retval = si470x_disconnect_check(radio);
+ if (retval)
goto done;
- }
+
if (tuner->index != 0) {
retval = -EINVAL;
goto done;
@@ -649,10 +647,10 @@ static int si470x_vidioc_s_tuner(struct file *file, void *priv,
int retval = -EINVAL;
/* safety checks */
- if (radio->disconnected) {
- retval = -EIO;
+ retval = si470x_disconnect_check(radio);
+ if (retval)
goto done;
- }
+
if (tuner->index != 0)
goto done;
@@ -688,10 +686,10 @@ static int si470x_vidioc_g_frequency(struct file *file, void *priv,
int retval = 0;
/* safety checks */
- if (radio->disconnected) {
- retval = -EIO;
+ retval = si470x_disconnect_check(radio);
+ if (retval)
goto done;
- }
+
if (freq->tuner != 0) {
retval = -EINVAL;
goto done;
@@ -718,10 +716,10 @@ static int si470x_vidioc_s_frequency(struct file *file, void *priv,
int retval = 0;
/* safety checks */
- if (radio->disconnected) {
- retval = -EIO;
+ retval = si470x_disconnect_check(radio);
+ if (retval)
goto done;
- }
+
if (freq->tuner != 0) {
retval = -EINVAL;
goto done;
@@ -747,10 +745,10 @@ static int si470x_vidioc_s_hw_freq_seek(struct file *file, void *priv,
int retval = 0;
/* safety checks */
- if (radio->disconnected) {
- retval = -EIO;
+ retval = si470x_disconnect_check(radio);
+ if (retval)
goto done;
- }
+
if (seek->tuner != 0) {
retval = -EINVAL;
goto done;