Re: [git:v4l-dvb/for_v3.3] [media] DVB: dib0700, add support for Nova-TD LEDs

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Mauro,

Why was my sign-off changed to an Ack?

As you can see, I worked *with* Jiri to help him create this patchset.

During review, I noticed a poorly named function, which I renamed before pusging it into my own tree. Patrick saw this, and merged my changes into into his tree.

Why did I go through this effort to help another developer add value to one of our drivers, and additional effort to make a small cleanup, push the changes into my own tree and issue a pull request? I was thanked by Patrick. Everybody's signature is on the patch, but you then go and remove my signature, and add a forged "ack"? I don't understand this, Mauro.

Why didn't you just take my pull request? Instead, you have changed my signature? What is the point of a signature if it will become mangled?

Please don't do this. Or, if you have *some* legitimate reason to change my signature, you should at LEAST check with me before committing it into kernel history.

-Mike

On 01/17/2012 08:02 PM, Mauro Carvalho Chehab wrote:
This is an automatic generated email to let you know that the following patch were queued at the
http://git.linuxtv.org/media_tree.git tree:

Subject: [media] DVB: dib0700, add support for Nova-TD LEDs
Author:  Jiri Slaby<jslaby@xxxxxxx>
Date:    Tue Jan 10 14:11:25 2012 -0300

Add an override of read_status to intercept lock status. This allows
us to switch LEDs appropriately on and off with signal un/locked.

The second phase is to override sleep to properly turn off both.

This is a hackish way to achieve that.

Thanks to Mike Krufky for his help.

Signed-off-by: Jiri Slaby<jslaby@xxxxxxx>
Acked-by: Michael Krufky<mkrufky@xxxxxxxxxxx>
Signed-off-by: Patrick Boettcher<pboettcher@xxxxxxxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab<mchehab@xxxxxxxxxx>

  drivers/media/dvb/dvb-usb/dib0700.h         |    2 +
  drivers/media/dvb/dvb-usb/dib0700_devices.c |   41 ++++++++++++++++++++++++++-
  2 files changed, 42 insertions(+), 1 deletions(-)

---

http://git.linuxtv.org/media_tree.git?a=commitdiff;h=d43272a4e898a1e43e5ac351ab625b7a40b39e88

diff --git a/drivers/media/dvb/dvb-usb/dib0700.h b/drivers/media/dvb/dvb-usb/dib0700.h
index 9bd6d51..7de125c 100644
--- a/drivers/media/dvb/dvb-usb/dib0700.h
+++ b/drivers/media/dvb/dvb-usb/dib0700.h
@@ -48,6 +48,8 @@ struct dib0700_state {
  	u8 disable_streaming_master_mode;
  	u32 fw_version;
  	u32 nb_packet_buffer_size;
+	int (*read_status)(struct dvb_frontend *, fe_status_t *);
+	int (*sleep)(struct dvb_frontend* fe);
  	u8 buf[255];
  };

diff --git a/drivers/media/dvb/dvb-usb/dib0700_devices.c b/drivers/media/dvb/dvb-usb/dib0700_devices.c
index 3ab45ae..f9e966a 100644
--- a/drivers/media/dvb/dvb-usb/dib0700_devices.c
+++ b/drivers/media/dvb/dvb-usb/dib0700_devices.c
@@ -3105,6 +3105,35 @@ static int stk7070pd_frontend_attach1(struct dvb_usb_adapter *adap)
  	return adap->fe_adap[0].fe == NULL ? -ENODEV : 0;
  }

+static int novatd_read_status_override(struct dvb_frontend *fe,
+		fe_status_t *stat)
+{
+	struct dvb_usb_adapter *adap = fe->dvb->priv;
+	struct dvb_usb_device *dev = adap->dev;
+	struct dib0700_state *state = dev->priv;
+	int ret;
+
+	ret = state->read_status(fe, stat);
+
+	if (!ret)
+		dib0700_set_gpio(dev, adap->id == 0 ? GPIO1 : GPIO0, GPIO_OUT,
+				!!(*stat&  FE_HAS_LOCK));
+
+	return ret;
+}
+
+static int novatd_sleep_override(struct dvb_frontend* fe)
+{
+	struct dvb_usb_adapter *adap = fe->dvb->priv;
+	struct dvb_usb_device *dev = adap->dev;
+	struct dib0700_state *state = dev->priv;
+
+	/* turn off LED */
+	dib0700_set_gpio(dev, adap->id == 0 ? GPIO1 : GPIO0, GPIO_OUT, 0);
+
+	return state->sleep(fe);
+}
+
  /**
   * novatd_frontend_attach - Nova-TD specific attach
   *
@@ -3114,6 +3143,7 @@ static int stk7070pd_frontend_attach1(struct dvb_usb_adapter *adap)
  static int novatd_frontend_attach(struct dvb_usb_adapter *adap)
  {
  	struct dvb_usb_device *dev = adap->dev;
+	struct dib0700_state *st = dev->priv;

  	if (adap->id == 0) {
  		stk7070pd_init(dev);
@@ -3134,7 +3164,16 @@ static int novatd_frontend_attach(struct dvb_usb_adapter *adap)
  	adap->fe_adap[0].fe = dvb_attach(dib7000p_attach,&dev->i2c_adap,
  			adap->id == 0 ? 0x80 : 0x82,
  			&stk7070pd_dib7000p_config[adap->id]);
-	return adap->fe_adap[0].fe == NULL ? -ENODEV : 0;
+
+	if (adap->fe_adap[0].fe == NULL)
+		return -ENODEV;
+
+	st->read_status = adap->fe_adap[0].fe->ops.read_status;
+	adap->fe_adap[0].fe->ops.read_status = novatd_read_status_override;
+	st->sleep = adap->fe_adap[0].fe->ops.sleep;
+	adap->fe_adap[0].fe->ops.sleep = novatd_sleep_override;
+
+	return 0;
  }

  /* S5H1411 */

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