diff options
Diffstat (limited to 'drivers/media/radio/radio-sf16fmr2.c')
| -rw-r--r-- | drivers/media/radio/radio-sf16fmr2.c | 104 |
1 files changed, 41 insertions, 63 deletions
diff --git a/drivers/media/radio/radio-sf16fmr2.c b/drivers/media/radio/radio-sf16fmr2.c index ebc5fbbc38b..b0ccf7cb595 100644 --- a/drivers/media/radio/radio-sf16fmr2.c +++ b/drivers/media/radio/radio-sf16fmr2.c @@ -29,6 +29,8 @@ static struct mutex lock; #include <linux/version.h> /* for KERNEL_VERSION MACRO */ #define RADIO_VERSION KERNEL_VERSION(0,0,2) +#define AUD_VOL_INDEX 1 + static struct v4l2_queryctrl radio_qctrl[] = { { .id = V4L2_CID_AUDIO_MUTE, @@ -37,13 +39,14 @@ static struct v4l2_queryctrl radio_qctrl[] = { .maximum = 1, .default_value = 1, .type = V4L2_CTRL_TYPE_BOOLEAN, - },{ + }, + [AUD_VOL_INDEX] = { .id = V4L2_CID_AUDIO_VOLUME, .name = "Volume", .minimum = 0, - .maximum = 65535, - .step = 1<<12, - .default_value = 0xff, + .maximum = 15, + .step = 1, + .default_value = 0, .type = V4L2_CTRL_TYPE_INTEGER, } }; @@ -61,7 +64,7 @@ static struct v4l2_queryctrl radio_qctrl[] = { struct fmr2_device { int port; - int curvol; /* 0-65535, if not volume 0 or 65535 */ + int curvol; /* 0-15 */ int mute; int stereo; /* card is producing stereo audio */ unsigned long curfreq; /* freq in kHz */ @@ -176,51 +179,35 @@ static int fmr2_setfreq(struct fmr2_device *dev) /* !!! not tested, in my card this does't work !!! */ static int fmr2_setvolume(struct fmr2_device *dev) { - int i,a,n, port = dev->port; + int vol[16] = { 0x021, 0x084, 0x090, 0x104, + 0x110, 0x204, 0x210, 0x402, + 0x404, 0x408, 0x410, 0x801, + 0x802, 0x804, 0x808, 0x810 }; + int i, a, port = dev->port; + int n = vol[dev->curvol & 0x0f]; - if (dev->card_type != 11) return 1; + if (dev->card_type != 11) + return 1; - switch( (dev->curvol+(1<<11)) >> 12 ) - { - case 0: case 1: n = 0x21; break; - case 2: n = 0x84; break; - case 3: n = 0x90; break; - case 4: n = 0x104; break; - case 5: n = 0x110; break; - case 6: n = 0x204; break; - case 7: n = 0x210; break; - case 8: n = 0x402; break; - case 9: n = 0x404; break; - default: - case 10: n = 0x408; break; - case 11: n = 0x410; break; - case 12: n = 0x801; break; - case 13: n = 0x802; break; - case 14: n = 0x804; break; - case 15: n = 0x808; break; - case 16: n = 0x810; break; - } - for(i=12;--i>=0;) - { + for (i = 12; --i >= 0; ) { a = ((n >> i) & 1) << 6; /* if (a=0) a= 0; else a= 0x40; */ - outb(a|4, port); - wait(4,port); - outb(a|0x24, port); - wait(4,port); - outb(a|4, port); - wait(4,port); + outb(a | 4, port); + wait(4, port); + outb(a | 0x24, port); + wait(4, port); + outb(a | 4, port); + wait(4, port); } - for(i=6;--i>=0;) - { + for (i = 6; --i >= 0; ) { a = ((0x18 >> i) & 1) << 6; - outb(a|4, port); + outb(a | 4, port); wait(4,port); - outb(a|0x24, port); + outb(a | 0x24, port); wait(4,port); outb(a|4, port); wait(4,port); } - wait(4,port); + wait(4, port); outb(0x14, port); return 0; @@ -312,16 +299,10 @@ static int vidioc_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *qc) { int i; - struct video_device *dev = video_devdata(file); - struct fmr2_device *fmr2 = dev->priv; for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) { - if ((fmr2->card_type != 11) - && V4L2_CID_AUDIO_VOLUME) - radio_qctrl[i].step = 65535; if (qc->id && qc->id == radio_qctrl[i].id) { - memcpy(qc, &(radio_qctrl[i]), - sizeof(*qc)); + memcpy(qc, &radio_qctrl[i], sizeof(*qc)); return 0; } } @@ -354,24 +335,13 @@ static int vidioc_s_ctrl(struct file *file, void *priv, switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: fmr2->mute = ctrl->value; - if (fmr2->card_type != 11) { - if (!fmr2->mute) - fmr2->curvol = 65535; - else - fmr2->curvol = 0; - } break; case V4L2_CID_AUDIO_VOLUME: - fmr2->curvol = ctrl->value; - if (fmr2->card_type != 11) { - if (fmr2->curvol) { - fmr2->curvol = 65535; - fmr2->mute = 0; - } else { - fmr2->curvol = 0; - fmr2->mute = 1; - } - } + if (ctrl->value > radio_qctrl[AUD_VOL_INDEX].maximum) + fmr2->curvol = radio_qctrl[AUD_VOL_INDEX].maximum; + else + fmr2->curvol = ctrl->value; + break; default: return -EINVAL; @@ -387,6 +357,7 @@ static int vidioc_s_ctrl(struct file *file, void *priv, mutex_lock(&lock); if (fmr2->curvol && !fmr2->mute) { fmr2_setvolume(fmr2); + /* Set frequency and unmute card */ fmr2_setfreq(fmr2); } else fmr2_mute(fmr2->port); @@ -433,7 +404,9 @@ static const struct file_operations fmr2_fops = { .open = video_exclusive_open, .release = video_exclusive_release, .ioctl = video_ioctl2, +#ifdef CONFIG_COMPAT .compat_ioctl = v4l_compat_ioctl32, +#endif .llseek = no_llseek, }; @@ -487,6 +460,11 @@ static int __init fmr2_init(void) fmr2_product_info(&fmr2_unit); mutex_unlock(&lock); debug_print((KERN_DEBUG "card_type %d\n", fmr2_unit.card_type)); + + /* Only card_type == 11 implements volume */ + if (fmr2_unit.card_type != 11) + radio_qctrl[AUD_VOL_INDEX].maximum = 1; + return 0; } |