[PATCH 0/2] radio-sf16fmi: Fix remaining v4l2-compliance problems

[PATCH 0/2] radio-sf16fmi: Fix remaining v4l2-compliance problems

[Ondrej Zary]

These patches fix two remaining v4l2-compliance problems of radio-sf16fmi driver after
control framework conversion:
http://www.mail-archive.com/linux-media%40vger.kernel.org/msg62772.html

Tested with SF16-FMI card.

-- 
Ondrej Zary

[PATCH 1/2] radio-sf16fmi: Add module name to bus_info

[Ondrej Zary]

Fix v4l2-compliance in VIDIOC_QUERYCAP by changing "ISA" to "ISA:radio-sf16fmi".

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
---
 drivers/media/radio/radio-sf16fmi.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/media/radio/radio-sf16fmi.c b/drivers/media/radio/radio-sf16fmi.c
index 9e712c8..ed7299d 100644
--- a/drivers/media/radio/radio-sf16fmi.c
+++ b/drivers/media/radio/radio-sf16fmi.c
@@ -123,7 +123,7 @@ static int vidioc_querycap(struct file *file, void  *priv,
 {
 	strlcpy(v->driver, "radio-sf16fmi", sizeof(v->driver));
 	strlcpy(v->card, "SF16-FMI/FMP/FMD radio", sizeof(v->card));
-	strlcpy(v->bus_info, "ISA", sizeof(v->bus_info));
+	strlcpy(v->bus_info, "ISA:radio-sf16fmi", sizeof(v->bus_info));
 	v->device_caps = V4L2_CAP_TUNER | V4L2_CAP_RADIO;
 	v->capabilities = v->device_caps | V4L2_CAP_DEVICE_CAPS;
 	return 0;
-- 
Ondrej Zary

[PATCH 2/2] radio-sf16fmi: Set frequency during init

[Ondrej Zary]

Set freqency during initialization to fix v4l2-compliance error.
This also fixes VIDIOC_G_FREQUENCY always returning zero (broken by me during LM7000 conversion).

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
---
 drivers/media/radio/radio-sf16fmi.c |   25 +++++++++++++++++--------
 1 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/drivers/media/radio/radio-sf16fmi.c b/drivers/media/radio/radio-sf16fmi.c
index ed7299d..6f4318f 100644
--- a/drivers/media/radio/radio-sf16fmi.c
+++ b/drivers/media/radio/radio-sf16fmi.c
@@ -50,7 +50,7 @@ struct fmi
 	struct video_device vdev;
 	int io;
 	bool mute;
-	unsigned long curfreq; /* freq in kHz */
+	u32 curfreq; /* freq in kHz */
 	struct mutex lock;
 };
 
@@ -118,6 +118,14 @@ static inline int fmi_getsigstr(struct fmi *fmi)
 	return (res & 2) ? 0 : 0xFFFF;
 }
 
+static void fmi_set_freq(struct fmi *fmi)
+{
+	fmi->curfreq = clamp(fmi->curfreq, RSF16_MINFREQ, RSF16_MAXFREQ);
+	/* rounding in steps of 800 to match the freq
+	   that will be used */
+	lm7000_set_freq((fmi->curfreq / 800) * 800, fmi, fmi_set_pins);
+}
+
 static int vidioc_querycap(struct file *file, void  *priv,
 					struct v4l2_capability *v)
 {
@@ -158,14 +166,13 @@ static int vidioc_s_frequency(struct file *file, void *priv,
 					const struct v4l2_frequency *f)
 {
 	struct fmi *fmi = video_drvdata(file);
-	unsigned freq = f->frequency;
 
 	if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO)
 		return -EINVAL;
-	clamp(freq, RSF16_MINFREQ, RSF16_MAXFREQ);
-	/* rounding in steps of 800 to match the freq
-	   that will be used */
-	lm7000_set_freq((freq / 800) * 800, fmi, fmi_set_pins);
+
+	fmi->curfreq = f->frequency;
+	fmi_set_freq(fmi);
+
 	return 0;
 }
 
@@ -342,8 +349,10 @@ static int __init fmi_init(void)
 
 	mutex_init(&fmi->lock);
 
-	/* mute card - prevents noisy bootups */
-	fmi_mute(fmi);
+	/* mute card and set default frequency */
+	fmi->mute = 1;
+	fmi->curfreq = RSF16_MINFREQ;
+	fmi_set_freq(fmi);
 
 	if (video_register_device(&fmi->vdev, VFL_TYPE_RADIO, radio_nr) < 0) {
 		v4l2_ctrl_handler_free(hdl);
-- 
Ondrej Zary