mirror of https://gitee.com/openkylin/linux.git
[media] af9015: RC fixes and improvements
Read all remote controller registers at once to reduce USB remote polling traffic. Use .rc_codes() to disable / enable remote polling instead of .rc_query(). Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari
Mauro Carvalho Chehab
parent
d8d627834b
commit
74c8e3ad0e
|
|
@ -207,10 +207,16 @@ static int af9015_write_reg(struct dvb_usb_device *d, u16 addr, u8 val)
|
|||
return af9015_write_regs(d, addr, &val, 1);
|
||||
}
|
||||
|
||||
static int af9015_read_regs(struct dvb_usb_device *d, u16 addr, u8 *val, u8 len)
|
||||
{
|
||||
struct req_t req = {READ_MEMORY, AF9015_I2C_DEMOD, addr, 0, 0, len,
|
||||
val};
|
||||
return af9015_ctrl_msg(d, &req);
|
||||
}
|
||||
|
||||
static int af9015_read_reg(struct dvb_usb_device *d, u16 addr, u8 *val)
|
||||
{
|
||||
struct req_t req = {READ_MEMORY, AF9015_I2C_DEMOD, addr, 0, 0, 1, val};
|
||||
return af9015_ctrl_msg(d, &req);
|
||||
return af9015_read_regs(d, addr, val, 1);
|
||||
}
|
||||
|
||||
static int af9015_write_reg_i2c(struct dvb_usb_device *d, u8 addr, u16 reg,
|
||||
|
|
@ -787,11 +793,14 @@ static void af9015_set_remote_config(struct usb_device *udev,
|
|||
af9015_rc_setup_modparam);
|
||||
}
|
||||
}
|
||||
|
||||
/* finally load "empty" just for leaving IR receiver enabled */
|
||||
if (!props->rc.core.rc_codes)
|
||||
props->rc.core.rc_codes = RC_MAP_EMPTY;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
static int af9015_rc_query(struct dvb_usb_device *d);
|
||||
|
||||
static int af9015_read_config(struct usb_device *udev)
|
||||
{
|
||||
int ret;
|
||||
|
|
@ -815,12 +824,10 @@ static int af9015_read_config(struct usb_device *udev)
|
|||
|
||||
deb_info("%s: IR mode:%d\n", __func__, val);
|
||||
for (i = 0; i < af9015_properties_count; i++) {
|
||||
if (val == AF9015_IR_MODE_DISABLED) {
|
||||
af9015_properties[i].rc.core.rc_query = NULL;
|
||||
} else {
|
||||
af9015_properties[i].rc.core.rc_query = af9015_rc_query;
|
||||
if (val == AF9015_IR_MODE_DISABLED)
|
||||
af9015_properties[i].rc.core.rc_codes = NULL;
|
||||
else
|
||||
af9015_set_remote_config(udev, &af9015_properties[i]);
|
||||
}
|
||||
}
|
||||
|
||||
/* TS mode - one or two receivers */
|
||||
|
|
@ -1005,67 +1012,43 @@ static int af9015_rc_query(struct dvb_usb_device *d)
|
|||
{
|
||||
struct af9015_state *priv = d->priv;
|
||||
int ret;
|
||||
u8 repeat, keycode[4];
|
||||
u8 buf[16];
|
||||
|
||||
/* read registers needed to detect remote controller code */
|
||||
/* TODO: Implement read multiple registers to reduce idle USB traffic.
|
||||
Currently three reads are needed for one idle rc polling. */
|
||||
ret = af9015_read_reg(d, 0x98df, &repeat);
|
||||
ret = af9015_read_regs(d, 0x98d9, buf, sizeof(buf));
|
||||
if (ret)
|
||||
goto error;
|
||||
|
||||
ret = af9015_read_reg(d, 0x98e7, &keycode[2]);
|
||||
if (ret)
|
||||
goto error;
|
||||
if (buf[14] || buf[15]) {
|
||||
deb_rc("%s: key pressed %02x %02x %02x %02x\n", __func__,
|
||||
buf[12], buf[13], buf[14], buf[15]);
|
||||
|
||||
ret = af9015_read_reg(d, 0x98e8, &keycode[3]);
|
||||
if (ret)
|
||||
goto error;
|
||||
|
||||
if (keycode[2] || keycode[3]) {
|
||||
/* read 1st address byte */
|
||||
ret = af9015_read_reg(d, 0x98e5, &keycode[0]);
|
||||
/* clean IR code from mem */
|
||||
ret = af9015_write_regs(d, 0x98e5, "\x00\x00\x00\x00", 4);
|
||||
if (ret)
|
||||
goto error;
|
||||
|
||||
/* read 2nd address byte */
|
||||
ret = af9015_read_reg(d, 0x98e6, &keycode[1]);
|
||||
if (ret)
|
||||
goto error;
|
||||
|
||||
deb_rc("%s: key pressed ", __func__);
|
||||
debug_dump(keycode, sizeof(keycode), deb_rc);
|
||||
|
||||
/* clean data bytes from mem */
|
||||
ret = af9015_write_reg(d, 0x98e7, 0);
|
||||
if (ret)
|
||||
goto error;
|
||||
|
||||
ret = af9015_write_reg(d, 0x98e8, 0);
|
||||
if (ret)
|
||||
goto error;
|
||||
|
||||
if (keycode[2] == (u8) ~keycode[3]) {
|
||||
if (keycode[0] == (u8) ~keycode[1]) {
|
||||
if (buf[14] == (u8) ~buf[15]) {
|
||||
if (buf[12] == (u8) ~buf[13]) {
|
||||
/* NEC */
|
||||
priv->rc_keycode = keycode[0] << 8 | keycode[2];
|
||||
priv->rc_keycode = buf[12] << 8 | buf[14];
|
||||
} else {
|
||||
/* NEC extended*/
|
||||
priv->rc_keycode = keycode[0] << 16 |
|
||||
keycode[1] << 8 | keycode[2];
|
||||
priv->rc_keycode = buf[12] << 16 |
|
||||
buf[13] << 8 | buf[14];
|
||||
}
|
||||
ir_keydown(d->rc_input_dev, priv->rc_keycode, 0);
|
||||
} else {
|
||||
priv->rc_keycode = 0; /* clear just for sure */
|
||||
}
|
||||
} else if (priv->rc_repeat != repeat) {
|
||||
} else if (priv->rc_repeat != buf[6] || buf[0]) {
|
||||
deb_rc("%s: key repeated\n", __func__);
|
||||
ir_keydown(d->rc_input_dev, priv->rc_keycode, 0);
|
||||
} else {
|
||||
deb_rc("%s: no key press\n", __func__);
|
||||
}
|
||||
|
||||
priv->rc_repeat = repeat;
|
||||
priv->rc_repeat = buf[6];
|
||||
|
||||
error:
|
||||
if (ret)
|
||||
|
|
@ -1358,6 +1341,7 @@ static struct dvb_usb_device_properties af9015_properties[] = {
|
|||
.rc.core = {
|
||||
.protocol = IR_TYPE_NEC,
|
||||
.module_name = "af9015",
|
||||
.rc_query = af9015_rc_query,
|
||||
.rc_interval = AF9015_RC_INTERVAL,
|
||||
.rc_props = {
|
||||
.allowed_protos = IR_TYPE_NEC,
|
||||
|
|
@ -1486,6 +1470,7 @@ static struct dvb_usb_device_properties af9015_properties[] = {
|
|||
.rc.core = {
|
||||
.protocol = IR_TYPE_NEC,
|
||||
.module_name = "af9015",
|
||||
.rc_query = af9015_rc_query,
|
||||
.rc_interval = AF9015_RC_INTERVAL,
|
||||
.rc_props = {
|
||||
.allowed_protos = IR_TYPE_NEC,
|
||||
|
|
@ -1599,6 +1584,7 @@ static struct dvb_usb_device_properties af9015_properties[] = {
|
|||
.rc.core = {
|
||||
.protocol = IR_TYPE_NEC,
|
||||
.module_name = "af9015",
|
||||
.rc_query = af9015_rc_query,
|
||||
.rc_interval = AF9015_RC_INTERVAL,
|
||||
.rc_props = {
|
||||
.allowed_protos = IR_TYPE_NEC,
|
||||
|
|
|
|||
Loading…
Reference in New Issue