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Commit 019aa8be authored by Martin Bugge's avatar Martin Bugge Committed by Mauro Carvalho Chehab
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[media] adv7842: enable HDMI/DVI mode irq 



Signed-off-by: default avatarMartin Bugge <marbugge@cisco.com>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent b82e2793

drivers/media/i2c/adv7842.c

+26 −10
Original line number Diff line number Diff line
@@ -1834,12 +1834,15 @@ static void adv7842_irq_enable(struct v4l2_subdev *sd, bool enable) 
		io_write(sd, 0x78, 0x03);

		/* Enable SDP Standard Detection Change and SDP Video Detected */

		io_write(sd, 0xa0, 0x09);

		/* Enable HDMI_MODE interrupt */

		io_write(sd, 0x69, 0x08);

	} else {

		io_write(sd, 0x46, 0x0);

		io_write(sd, 0x5a, 0x0);

		io_write(sd, 0x73, 0x0);

		io_write(sd, 0x78, 0x0);

		io_write(sd, 0xa0, 0x0);

		io_write(sd, 0x69, 0x0);

	}

}
@@ -1847,7 +1850,7 @@ static int adv7842_isr(struct v4l2_subdev *sd, u32 status, bool *handled) 
{

	struct adv7842_state *state = to_state(sd);

	u8 fmt_change_cp, fmt_change_digital, fmt_change_sdp;

	u8 irq_status[5];

	u8 irq_status[6];



	adv7842_irq_enable(sd, false);
@@ -1857,6 +1860,7 @@ static int adv7842_isr(struct v4l2_subdev *sd, u32 status, bool *handled) 
	irq_status[2] = io_read(sd, 0x70);

	irq_status[3] = io_read(sd, 0x75);

	irq_status[4] = io_read(sd, 0x9d);

	irq_status[5] = io_read(sd, 0x66);



	/* and clear */

	if (irq_status[0])
@@ -1869,12 +1873,14 @@ static int adv7842_isr(struct v4l2_subdev *sd, u32 status, bool *handled) 
		io_write(sd, 0x76, irq_status[3]);

	if (irq_status[4])

		io_write(sd, 0x9e, irq_status[4]);

	if (irq_status[5])

		io_write(sd, 0x67, irq_status[5]);



	adv7842_irq_enable(sd, true);



	v4l2_dbg(1, debug, sd, "%s: irq %x, %x, %x, %x, %x\n", __func__,

	v4l2_dbg(1, debug, sd, "%s: irq %x, %x, %x, %x, %x, %x\n", __func__,

		 irq_status[0], irq_status[1], irq_status[2],

		 irq_status[3], irq_status[4]);

		 irq_status[3], irq_status[4], irq_status[5]);



	/* format change CP */

	fmt_change_cp = irq_status[0] & 0x9c;
@@ -1891,22 +1897,32 @@ static int adv7842_isr(struct v4l2_subdev *sd, u32 status, bool *handled) 
	else

		fmt_change_digital = 0;



	/* notify */

	/* format change */

	if (fmt_change_cp || fmt_change_digital || fmt_change_sdp) {

		v4l2_dbg(1, debug, sd,

			 "%s: fmt_change_cp = 0x%x, fmt_change_digital = 0x%x, fmt_change_sdp = 0x%x\n",

			 __func__, fmt_change_cp, fmt_change_digital,

			 fmt_change_sdp);

		v4l2_subdev_notify(sd, ADV7842_FMT_CHANGE, NULL);

		if (handled)

			*handled = true;

	}



	/* 5v cable detect */

	if (irq_status[2])

		adv7842_s_detect_tx_5v_ctrl(sd);



	/* HDMI/DVI mode */

	if (irq_status[5] & 0x08) {

		v4l2_dbg(1, debug, sd, "%s: irq %s mode\n", __func__,

			 (io_read(sd, 0x65) & 0x08) ? "HDMI" : "DVI");

		if (handled)

			*handled = true;

	}



	/* tx 5v detect */

	if (irq_status[2] & 0x3) {

		v4l2_dbg(1, debug, sd, "%s: irq tx_5v\n", __func__);

		adv7842_s_detect_tx_5v_ctrl(sd);

		if (handled)

			*handled = true;

	}

	return 0;

}