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Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6 

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6:
  [media] em28xx: radio_fops should also use unlocked_ioctl
  [media] wm8775: Revert changeset fcb9757333 to avoid a regression
  [media] cx25840: Prevent device probe failure due to volume control ERANGE error
hifive-unleashed-5.1
Linus Torvalds 2011-01-03 11:50:26 -08:00
parent d45fa563a6 8fd0bda511
commit 4c37a4b53d
8 changed files with 79 additions and 188 deletions
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19
drivers/media/video/cx25840/cx25840-core.c
View File

@ -1989,8 +1989,23 @@ static int cx25840_probe(struct i2c_client *client,
v4l2_ctrl_new_std(&state->hdl, &cx25840_ctrl_ops,
V4L2_CID_HUE, -128, 127, 1, 0);
if (!is_cx2583x(state)) {
default_volume = 228 - cx25840_read(client, 0x8d4);
default_volume = ((default_volume / 2) + 23) << 9;
default_volume = cx25840_read(client, 0x8d4);
/*
* Enforce the legacy PVR-350/MSP3400 to PVR-150/CX25843 volume
* scale mapping limits to avoid -ERANGE errors when
* initializing the volume control
*/
if (default_volume > 228) {
/* Bottom out at -96 dB, v4l2 vol range 0x2e00-0x2fff */
default_volume = 228;
cx25840_write(client, 0x8d4, 228);
}
else if (default_volume < 20) {
/* Top out at + 8 dB, v4l2 vol range 0xfe00-0xffff */
default_volume = 20;
cx25840_write(client, 0x8d4, 20);
}
default_volume = (((228 - default_volume) >> 1) + 23) << 9;
state->volume = v4l2_ctrl_new_std(&state->hdl,
&cx25840_audio_ctrl_ops, V4L2_CID_AUDIO_VOLUME,

99
drivers/media/video/cx88/cx88-alsa.c
View File

@ -40,7 +40,6 @@
#include <sound/control.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include <media/wm8775.h>
#include "cx88.h"
#include "cx88-reg.h"
@ -587,47 +586,26 @@ static int snd_cx88_volume_put(struct snd_kcontrol *kcontrol,
int left, right, v, b;
int changed = 0;
u32 old;
struct v4l2_control client_ctl;
/* Pass volume & balance onto any WM8775 */
if (value->value.integer.value[0] >= value->value.integer.value[1]) {
v = value->value.integer.value[0] << 10;
b = value->value.integer.value[0] ?
(0x8000 * value->value.integer.value[1]) / value->value.integer.value[0] :
0x8000;
} else {
v = value->value.integer.value[1] << 10;
b = value->value.integer.value[1] ?
0xffff - (0x8000 * value->value.integer.value[0]) / value->value.integer.value[1] :
0x8000;
}
client_ctl.value = v;
client_ctl.id = V4L2_CID_AUDIO_VOLUME;
call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl);
client_ctl.value = b;
client_ctl.id = V4L2_CID_AUDIO_BALANCE;
call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl);
left = value->value.integer.value[0] & 0x3f;
right = value->value.integer.value[1] & 0x3f;
b = right - left;
if (b < 0) {
v = 0x3f - left;
b = (-b) | 0x40;
v = 0x3f - left;
b = (-b) | 0x40;
} else {
v = 0x3f - right;
v = 0x3f - right;
}
/* Do we really know this will always be called with IRQs on? */
spin_lock_irq(&chip->reg_lock);
old = cx_read(AUD_VOL_CTL);
if (v != (old & 0x3f)) {
cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, (old & ~0x3f) | v);
changed = 1;
cx_write(AUD_VOL_CTL, (old & ~0x3f) | v);
changed = 1;
}
if ((cx_read(AUD_BAL_CTL) & 0x7f) != b) {
cx_write(AUD_BAL_CTL, b);
changed = 1;
if (cx_read(AUD_BAL_CTL) != b) {
cx_write(AUD_BAL_CTL, b);
changed = 1;
}
spin_unlock_irq(&chip->reg_lock);
@ -640,7 +618,7 @@ static const struct snd_kcontrol_new snd_cx88_volume = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ,
.name = "Analog-TV Volume",
.name = "Playback Volume",
.info = snd_cx88_volume_info,
.get = snd_cx88_volume_get,
.put = snd_cx88_volume_put,
@ -671,14 +649,7 @@ static int snd_cx88_switch_put(struct snd_kcontrol *kcontrol,
vol = cx_read(AUD_VOL_CTL);
if (value->value.integer.value[0] != !(vol & bit)) {
vol ^= bit;
cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, vol);
/* Pass mute onto any WM8775 */
if ((1<<6) == bit) {
struct v4l2_control client_ctl;
client_ctl.value = 0 != (vol & bit);
client_ctl.id = V4L2_CID_AUDIO_MUTE;
call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl);
}
cx_write(AUD_VOL_CTL, vol);
ret = 1;
}
spin_unlock_irq(&chip->reg_lock);
@ -687,7 +658,7 @@ static int snd_cx88_switch_put(struct snd_kcontrol *kcontrol,
static const struct snd_kcontrol_new snd_cx88_dac_switch = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Audio-Out Switch",
.name = "Playback Switch",
.info = snd_ctl_boolean_mono_info,
.get = snd_cx88_switch_get,
.put = snd_cx88_switch_put,
@ -696,49 +667,13 @@ static const struct snd_kcontrol_new snd_cx88_dac_switch = {
static const struct snd_kcontrol_new snd_cx88_source_switch = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Analog-TV Switch",
.name = "Capture Switch",
.info = snd_ctl_boolean_mono_info,
.get = snd_cx88_switch_get,
.put = snd_cx88_switch_put,
.private_value = (1<<6),
};
static int snd_cx88_alc_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *value)
{
snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol);
struct cx88_core *core = chip->core;
struct v4l2_control client_ctl;
client_ctl.id = V4L2_CID_AUDIO_LOUDNESS;
call_hw(core, WM8775_GID, core, g_ctrl, &client_ctl);
value->value.integer.value[0] = client_ctl.value ? 1 : 0;
return 0;
}
static int snd_cx88_alc_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *value)
{
snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol);
struct cx88_core *core = chip->core;
struct v4l2_control client_ctl;
client_ctl.value = 0 != value->value.integer.value[0];
client_ctl.id = V4L2_CID_AUDIO_LOUDNESS;
call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl);
return 0;
}
static struct snd_kcontrol_new snd_cx88_alc_switch = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Line-In ALC Switch",
.info = snd_ctl_boolean_mono_info,
.get = snd_cx88_alc_get,
.put = snd_cx88_alc_put,
};
/****************************************************************************
Basic Flow for Sound Devices
****************************************************************************/
@ -860,7 +795,6 @@ static int __devinit cx88_audio_initdev(struct pci_dev *pci,
{
struct snd_card *card;
snd_cx88_card_t *chip;
struct v4l2_subdev *sd;
int err;
if (devno >= SNDRV_CARDS)
@ -896,15 +830,6 @@ static int __devinit cx88_audio_initdev(struct pci_dev *pci,
if (err < 0)
goto error;
/* If there's a wm8775 then add a Line-In ALC switch */
list_for_each_entry(sd, &chip->core->v4l2_dev.subdevs, list) {
if (WM8775_GID == sd->grp_id) {
snd_ctl_add(card, snd_ctl_new1(&snd_cx88_alc_switch,
chip));
break;
}
}
strcpy (card->driver, "CX88x");
sprintf(card->shortname, "Conexant CX%x", pci->device);
sprintf(card->longname, "%s at %#llx",

7
drivers/media/video/cx88/cx88-cards.c
View File

@ -1007,15 +1007,22 @@ static const struct cx88_board cx88_boards[] = {
.radio_type = UNSET,
.tuner_addr = ADDR_UNSET,
.radio_addr = ADDR_UNSET,
.audio_chip = V4L2_IDENT_WM8775,
.input = {{
.type = CX88_VMUX_DVB,
.vmux = 0,
/* 2: Line-In */
.audioroute = 2,
},{
.type = CX88_VMUX_COMPOSITE1,
.vmux = 1,
/* 2: Line-In */
.audioroute = 2,
},{
.type = CX88_VMUX_SVIDEO,
.vmux = 2,
/* 2: Line-In */
.audioroute = 2,
}},
.mpeg = CX88_MPEG_DVB,
},

27
drivers/media/video/cx88/cx88-video.c
View File

@ -40,7 +40,6 @@
#include "cx88.h"
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
#include <media/wm8775.h>
MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
@ -977,7 +976,6 @@ int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
const struct cx88_ctrl *c = NULL;
u32 value,mask;
int i;
struct v4l2_control client_ctl;
for (i = 0; i < CX8800_CTLS; i++) {
if (cx8800_ctls[i].v.id == ctl->id) {
@ -991,27 +989,6 @@ int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl)
ctl->value = c->v.minimum;
if (ctl->value > c->v.maximum)
ctl->value = c->v.maximum;
/* Pass changes onto any WM8775 */
client_ctl.id = ctl->id;
switch (ctl->id) {
case V4L2_CID_AUDIO_MUTE:
client_ctl.value = ctl->value;
break;
case V4L2_CID_AUDIO_VOLUME:
client_ctl.value = (ctl->value) ?
(0x90 + ctl->value) << 8 : 0;
break;
case V4L2_CID_AUDIO_BALANCE:
client_ctl.value = ctl->value << 9;
break;
default:
client_ctl.id = 0;
break;
}
if (client_ctl.id)
call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl);
mask=c->mask;
switch (ctl->id) {
case V4L2_CID_AUDIO_BALANCE:
@ -1558,9 +1535,7 @@ static int radio_queryctrl (struct file *file, void *priv,
if (c->id < V4L2_CID_BASE ||
c->id >= V4L2_CID_LASTP1)
return -EINVAL;
if (c->id == V4L2_CID_AUDIO_MUTE ||
c->id == V4L2_CID_AUDIO_VOLUME ||
c->id == V4L2_CID_AUDIO_BALANCE) {
if (c->id == V4L2_CID_AUDIO_MUTE) {
for (i = 0; i < CX8800_CTLS; i++) {
if (cx8800_ctls[i].v.id == c->id)
break;

6
drivers/media/video/cx88/cx88.h
View File

@ -398,19 +398,17 @@ static inline struct cx88_core *to_core(struct v4l2_device *v4l2_dev)
return container_of(v4l2_dev, struct cx88_core, v4l2_dev);
}
#define call_hw(core, grpid, o, f, args...) \
#define call_all(core, o, f, args...) \
do { \
if (!core->i2c_rc) { \
if (core->gate_ctrl) \
core->gate_ctrl(core, 1); \
v4l2_device_call_all(&core->v4l2_dev, grpid, o, f, ##args); \
v4l2_device_call_all(&core->v4l2_dev, 0, o, f, ##args); \
if (core->gate_ctrl) \
core->gate_ctrl(core, 0); \
} \
} while (0)
#define call_all(core, o, f, args...) call_hw(core, 0, o, f, ##args)
struct cx8800_dev;
struct cx8802_dev;

2
drivers/media/video/em28xx/em28xx-video.c
View File

@ -2377,7 +2377,7 @@ static const struct v4l2_file_operations radio_fops = {
.owner = THIS_MODULE,
.open = em28xx_v4l2_open,
.release = em28xx_v4l2_close,
.ioctl = video_ioctl2,
.unlocked_ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops radio_ioctl_ops = {

104
drivers/media/video/wm8775.c
View File

@ -35,7 +35,6 @@
#include <media/v4l2-device.h>
#include <media/v4l2-chip-ident.h>
#include <media/v4l2-ctrls.h>
#include <media/wm8775.h>
MODULE_DESCRIPTION("wm8775 driver");
MODULE_AUTHOR("Ulf Eklund, Hans Verkuil");
@ -51,16 +50,10 @@ enum {
TOT_REGS
};
#define ALC_HOLD 0x85 /* R17: use zero cross detection, ALC hold time 42.6 ms */
#define ALC_EN 0x100 /* R17: ALC enable */
struct wm8775_state {
struct v4l2_subdev sd;
struct v4l2_ctrl_handler hdl;
struct v4l2_ctrl *mute;
struct v4l2_ctrl *vol;
struct v4l2_ctrl *bal;
struct v4l2_ctrl *loud;
u8 input; /* Last selected input (0-0xf) */
};
@ -92,30 +85,6 @@ static int wm8775_write(struct v4l2_subdev *sd, int reg, u16 val)
return -1;
}
static void wm8775_set_audio(struct v4l2_subdev *sd, int quietly)
{
struct wm8775_state *state = to_state(sd);
u8 vol_l, vol_r;
int muted = 0 != state->mute->val;
u16 volume = (u16)state->vol->val;
u16 balance = (u16)state->bal->val;
/* normalize ( 65535 to 0 -> 255 to 0 (+24dB to -103dB) ) */
vol_l = (min(65536 - balance, 32768) * volume) >> 23;
vol_r = (min(balance, (u16)32768) * volume) >> 23;
/* Mute */
if (muted || quietly)
wm8775_write(sd, R21, 0x0c0 | state->input);
wm8775_write(sd, R14, vol_l | 0x100); /* 0x100= Left channel ADC zero cross enable */
wm8775_write(sd, R15, vol_r | 0x100); /* 0x100= Right channel ADC zero cross enable */
/* Un-mute */
if (!muted)
wm8775_write(sd, R21, state->input);
}
static int wm8775_s_routing(struct v4l2_subdev *sd,
u32 input, u32 output, u32 config)
{
@ -133,26 +102,25 @@ static int wm8775_s_routing(struct v4l2_subdev *sd,
state->input = input;
if (!v4l2_ctrl_g_ctrl(state->mute))
return 0;
if (!v4l2_ctrl_g_ctrl(state->vol))
return 0;
if (!v4l2_ctrl_g_ctrl(state->bal))
return 0;
wm8775_set_audio(sd, 1);
wm8775_write(sd, R21, 0x0c0);
wm8775_write(sd, R14, 0x1d4);
wm8775_write(sd, R15, 0x1d4);
wm8775_write(sd, R21, 0x100 + state->input);
return 0;
}
static int wm8775_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct v4l2_subdev *sd = to_sd(ctrl);
struct wm8775_state *state = to_state(sd);
switch (ctrl->id) {
case V4L2_CID_AUDIO_MUTE:
case V4L2_CID_AUDIO_VOLUME:
case V4L2_CID_AUDIO_BALANCE:
wm8775_set_audio(sd, 0);
return 0;
case V4L2_CID_AUDIO_LOUDNESS:
wm8775_write(sd, R17, (ctrl->val ? ALC_EN : 0) | ALC_HOLD);
wm8775_write(sd, R21, 0x0c0);
wm8775_write(sd, R14, 0x1d4);
wm8775_write(sd, R15, 0x1d4);
if (!ctrl->val)
wm8775_write(sd, R21, 0x100 + state->input);
return 0;
}
return -EINVAL;
@ -176,7 +144,16 @@ static int wm8775_log_status(struct v4l2_subdev *sd)
static int wm8775_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *freq)
{
wm8775_set_audio(sd, 0);
struct wm8775_state *state = to_state(sd);
/* If I remove this, then it can happen that I have no
sound the first time I tune from static to a valid channel.
It's difficult to reproduce and is almost certainly related
to the zero cross detect circuit. */
wm8775_write(sd, R21, 0x0c0);
wm8775_write(sd, R14, 0x1d4);
wm8775_write(sd, R15, 0x1d4);
wm8775_write(sd, R21, 0x100 + state->input);
return 0;
}
@ -226,7 +203,6 @@ static int wm8775_probe(struct i2c_client *client,
{
struct wm8775_state *state;
struct v4l2_subdev *sd;
int err;
/* Check if the adapter supports the needed features */
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
@ -240,21 +216,15 @@ static int wm8775_probe(struct i2c_client *client,
return -ENOMEM;
sd = &state->sd;
v4l2_i2c_subdev_init(sd, client, &wm8775_ops);
sd->grp_id = WM8775_GID; /* subdev group id */
state->input = 2;
v4l2_ctrl_handler_init(&state->hdl, 4);
v4l2_ctrl_handler_init(&state->hdl, 1);
state->mute = v4l2_ctrl_new_std(&state->hdl, &wm8775_ctrl_ops,
V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
state->vol = v4l2_ctrl_new_std(&state->hdl, &wm8775_ctrl_ops,
V4L2_CID_AUDIO_VOLUME, 0, 65535, (65535+99)/100, 0xCF00); /* 0dB*/
state->bal = v4l2_ctrl_new_std(&state->hdl, &wm8775_ctrl_ops,
V4L2_CID_AUDIO_BALANCE, 0, 65535, (65535+99)/100, 32768);
state->loud = v4l2_ctrl_new_std(&state->hdl, &wm8775_ctrl_ops,
V4L2_CID_AUDIO_LOUDNESS, 0, 1, 1, 1);
sd->ctrl_handler = &state->hdl;
err = state->hdl.error;
if (err) {
if (state->hdl.error) {
int err = state->hdl.error;
v4l2_ctrl_handler_free(&state->hdl);
kfree(state);
return err;
@ -266,25 +236,29 @@ static int wm8775_probe(struct i2c_client *client,
wm8775_write(sd, R23, 0x000);
/* Disable zero cross detect timeout */
wm8775_write(sd, R7, 0x000);
/* HPF enable, I2S mode, 24-bit */
wm8775_write(sd, R11, 0x022);
/* Left justified, 24-bit mode */
wm8775_write(sd, R11, 0x021);
/* Master mode, clock ratio 256fs */
wm8775_write(sd, R12, 0x102);
/* Powered up */
wm8775_write(sd, R13, 0x000);
/* ALC stereo, ALC target level -5dB FS, ALC max gain +8dB */
wm8775_write(sd, R16, 0x1bb);
/* Set ALC mode and hold time */
wm8775_write(sd, R17, (state->loud->val ? ALC_EN : 0) | ALC_HOLD);
/* ADC gain +2.5dB, enable zero cross */
wm8775_write(sd, R14, 0x1d4);
/* ADC gain +2.5dB, enable zero cross */
wm8775_write(sd, R15, 0x1d4);
/* ALC Stereo, ALC target level -1dB FS max gain +8dB */
wm8775_write(sd, R16, 0x1bf);
/* Enable gain control, use zero cross detection,
ALC hold time 42.6 ms */
wm8775_write(sd, R17, 0x185);
/* ALC gain ramp up delay 34 s, ALC gain ramp down delay 33 ms */
wm8775_write(sd, R18, 0x0a2);
/* Enable noise gate, threshold -72dBfs */
wm8775_write(sd, R19, 0x005);
/* Transient window 4ms, ALC min gain -5dB */
wm8775_write(sd, R20, 0x0fb);
wm8775_set_audio(sd, 1); /* set volume/mute/mux */
/* Transient window 4ms, lower PGA gain limit -1dB */
wm8775_write(sd, R20, 0x07a);
/* LRBOTH = 1, use input 2. */
wm8775_write(sd, R21, 0x102);
return 0;
}

3
include/media/wm8775.h
View File

@ -32,7 +32,4 @@
#define WM8775_AIN3 4
#define WM8775_AIN4 8
/* subdev group ID */
#define WM8775_GID (1 << 0)
#endif