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[media] adv7842: enable HDMI/DVI mode irq 

Signed-off-by: Martin Bugge <marbugge@cisco.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Martin Bugge 2013-12-10 12:01:59 -03:00 committed by Mauro Carvalho Chehab
parent b82e279347
commit 019aa8be84
1 changed files with 26 additions and 10 deletions
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36
drivers/media/i2c/adv7842.c
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@ -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])
/* 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;
if (handled)
*handled = true;
}
return 0;
}