[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
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@ -207,10 +207,16 @@ static int af9015_write_reg(struct dvb_usb_device *d, u16 addr, u8 val)
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return af9015_write_regs(d, addr, &val, 1);
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}
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static int af9015_read_regs(struct dvb_usb_device *d, u16 addr, u8 *val, u8 len)
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{
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struct req_t req = {READ_MEMORY, AF9015_I2C_DEMOD, addr, 0, 0, len,
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val};
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return af9015_ctrl_msg(d, &req);
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}
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static int af9015_read_reg(struct dvb_usb_device *d, u16 addr, u8 *val)
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{
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struct req_t req = {READ_MEMORY, AF9015_I2C_DEMOD, addr, 0, 0, 1, val};
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return af9015_ctrl_msg(d, &req);
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return af9015_read_regs(d, addr, val, 1);
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}
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static int af9015_write_reg_i2c(struct dvb_usb_device *d, u8 addr, u16 reg,
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@ -787,11 +793,14 @@ static void af9015_set_remote_config(struct usb_device *udev,
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af9015_rc_setup_modparam);
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}
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}
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/* finally load "empty" just for leaving IR receiver enabled */
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if (!props->rc.core.rc_codes)
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props->rc.core.rc_codes = RC_MAP_EMPTY;
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return;
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}
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static int af9015_rc_query(struct dvb_usb_device *d);
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static int af9015_read_config(struct usb_device *udev)
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{
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int ret;
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@ -815,12 +824,10 @@ static int af9015_read_config(struct usb_device *udev)
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deb_info("%s: IR mode:%d\n", __func__, val);
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for (i = 0; i < af9015_properties_count; i++) {
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if (val == AF9015_IR_MODE_DISABLED) {
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af9015_properties[i].rc.core.rc_query = NULL;
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} else {
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af9015_properties[i].rc.core.rc_query = af9015_rc_query;
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if (val == AF9015_IR_MODE_DISABLED)
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af9015_properties[i].rc.core.rc_codes = NULL;
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else
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af9015_set_remote_config(udev, &af9015_properties[i]);
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}
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}
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/* TS mode - one or two receivers */
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@ -1005,67 +1012,43 @@ static int af9015_rc_query(struct dvb_usb_device *d)
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{
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struct af9015_state *priv = d->priv;
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int ret;
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u8 repeat, keycode[4];
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u8 buf[16];
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/* read registers needed to detect remote controller code */
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/* TODO: Implement read multiple registers to reduce idle USB traffic.
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Currently three reads are needed for one idle rc polling. */
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ret = af9015_read_reg(d, 0x98df, &repeat);
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ret = af9015_read_regs(d, 0x98d9, buf, sizeof(buf));
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if (ret)
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goto error;
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ret = af9015_read_reg(d, 0x98e7, &keycode[2]);
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if (ret)
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goto error;
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if (buf[14] || buf[15]) {
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deb_rc("%s: key pressed %02x %02x %02x %02x\n", __func__,
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buf[12], buf[13], buf[14], buf[15]);
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ret = af9015_read_reg(d, 0x98e8, &keycode[3]);
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if (ret)
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goto error;
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if (keycode[2] || keycode[3]) {
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/* read 1st address byte */
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ret = af9015_read_reg(d, 0x98e5, &keycode[0]);
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/* clean IR code from mem */
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ret = af9015_write_regs(d, 0x98e5, "\x00\x00\x00\x00", 4);
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if (ret)
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goto error;
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/* read 2nd address byte */
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ret = af9015_read_reg(d, 0x98e6, &keycode[1]);
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if (ret)
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goto error;
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deb_rc("%s: key pressed ", __func__);
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debug_dump(keycode, sizeof(keycode), deb_rc);
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/* clean data bytes from mem */
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ret = af9015_write_reg(d, 0x98e7, 0);
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if (ret)
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goto error;
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ret = af9015_write_reg(d, 0x98e8, 0);
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if (ret)
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goto error;
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if (keycode[2] == (u8) ~keycode[3]) {
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if (keycode[0] == (u8) ~keycode[1]) {
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if (buf[14] == (u8) ~buf[15]) {
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if (buf[12] == (u8) ~buf[13]) {
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/* NEC */
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priv->rc_keycode = keycode[0] << 8 | keycode[2];
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priv->rc_keycode = buf[12] << 8 | buf[14];
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} else {
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/* NEC extended*/
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priv->rc_keycode = keycode[0] << 16 |
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keycode[1] << 8 | keycode[2];
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priv->rc_keycode = buf[12] << 16 |
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buf[13] << 8 | buf[14];
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}
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ir_keydown(d->rc_input_dev, priv->rc_keycode, 0);
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} else {
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priv->rc_keycode = 0; /* clear just for sure */
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}
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} else if (priv->rc_repeat != repeat) {
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} else if (priv->rc_repeat != buf[6] || buf[0]) {
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deb_rc("%s: key repeated\n", __func__);
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ir_keydown(d->rc_input_dev, priv->rc_keycode, 0);
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} else {
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deb_rc("%s: no key press\n", __func__);
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}
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priv->rc_repeat = repeat;
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priv->rc_repeat = buf[6];
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error:
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if (ret)
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@ -1358,6 +1341,7 @@ static struct dvb_usb_device_properties af9015_properties[] = {
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.rc.core = {
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.protocol = IR_TYPE_NEC,
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.module_name = "af9015",
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.rc_query = af9015_rc_query,
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.rc_interval = AF9015_RC_INTERVAL,
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.rc_props = {
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.allowed_protos = IR_TYPE_NEC,
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@ -1486,6 +1470,7 @@ static struct dvb_usb_device_properties af9015_properties[] = {
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.rc.core = {
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.protocol = IR_TYPE_NEC,
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.module_name = "af9015",
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.rc_query = af9015_rc_query,
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.rc_interval = AF9015_RC_INTERVAL,
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.rc_props = {
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.allowed_protos = IR_TYPE_NEC,
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@ -1599,6 +1584,7 @@ static struct dvb_usb_device_properties af9015_properties[] = {
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.rc.core = {
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.protocol = IR_TYPE_NEC,
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.module_name = "af9015",
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.rc_query = af9015_rc_query,
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.rc_interval = AF9015_RC_INTERVAL,
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.rc_props = {
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.allowed_protos = IR_TYPE_NEC,
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