From 76eb2d30140d6a7072b7faf33b109c5a4e82ee4a Mon Sep 17 00:00:00 2001 From: Mats Randgaard Date: Wed, 14 Aug 2013 08:56:57 -0300 Subject: [PATCH] [media] adv7604: improve log_status for HDMI/DVI-D signals Don't log if there is no signal. If there is a signal, then also log HDCP and audio status. Signed-off-by: Mats Randgaard Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/i2c/adv7604.c | 44 +++++++++++++++++++++++++++++-------- 1 file changed, 35 insertions(+), 9 deletions(-) diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c index 6ffe25a5b346..34fcdf3c52e0 100644 --- a/drivers/media/i2c/adv7604.c +++ b/drivers/media/i2c/adv7604.c @@ -1758,6 +1758,9 @@ static int adv7604_log_status(struct v4l2_subdev *sd) adv7604_print_timings(sd, &timings, "Detected format:", true); adv7604_print_timings(sd, &state->timings, "Configured format:", true); + if (no_signal(sd)) + return 0; + v4l2_info(sd, "-----Color space-----\n"); v4l2_info(sd, "RGB quantization range ctrl: %s\n", rgb_quantization_range_txt[state->rgb_quantization_range]); @@ -1767,18 +1770,41 @@ static int adv7604_log_status(struct v4l2_subdev *sd) (reg_io_0x02 & 0x02) ? "RGB" : "YCbCr", (reg_io_0x02 & 0x04) ? "(16-235)" : "(0-255)", ((reg_io_0x02 & 0x04) ^ (reg_io_0x02 & 0x01)) ? - "enabled" : "disabled"); + "enabled" : "disabled"); v4l2_info(sd, "Color space conversion: %s\n", csc_coeff_sel_rb[cp_read(sd, 0xfc) >> 4]); - /* Digital video */ - if (DIGITAL_INPUT) { - v4l2_info(sd, "-----HDMI status-----\n"); - v4l2_info(sd, "HDCP encrypted content: %s\n", - hdmi_read(sd, 0x05) & 0x40 ? "true" : "false"); - if (is_hdmi(sd)) - v4l2_info(sd, "deep color mode: %s\n", - deep_color_mode_txt[(hdmi_read(sd, 0x0b) >> 5) & 0x3]); + if (!DIGITAL_INPUT) + return 0; + + v4l2_info(sd, "-----%s status-----\n", is_hdmi(sd) ? "HDMI" : "DVI-D"); + v4l2_info(sd, "HDCP encrypted content: %s\n", (hdmi_read(sd, 0x05) & 0x40) ? "true" : "false"); + v4l2_info(sd, "HDCP keys read: %s%s\n", + (hdmi_read(sd, 0x04) & 0x20) ? "yes" : "no", + (hdmi_read(sd, 0x04) & 0x10) ? "ERROR" : ""); + if (!is_hdmi(sd)) { + bool audio_pll_locked = hdmi_read(sd, 0x04) & 0x01; + bool audio_sample_packet_detect = hdmi_read(sd, 0x18) & 0x01; + bool audio_mute = io_read(sd, 0x65) & 0x40; + + v4l2_info(sd, "Audio: pll %s, samples %s, %s\n", + audio_pll_locked ? "locked" : "not locked", + audio_sample_packet_detect ? "detected" : "not detected", + audio_mute ? "muted" : "enabled"); + if (audio_pll_locked && audio_sample_packet_detect) { + v4l2_info(sd, "Audio format: %s\n", + (hdmi_read(sd, 0x07) & 0x20) ? "multi-channel" : "stereo"); + } + v4l2_info(sd, "Audio CTS: %u\n", (hdmi_read(sd, 0x5b) << 12) + + (hdmi_read(sd, 0x5c) << 8) + + (hdmi_read(sd, 0x5d) & 0xf0)); + v4l2_info(sd, "Audio N: %u\n", ((hdmi_read(sd, 0x5d) & 0x0f) << 16) + + (hdmi_read(sd, 0x5e) << 8) + + hdmi_read(sd, 0x5f)); + v4l2_info(sd, "AV Mute: %s\n", (hdmi_read(sd, 0x04) & 0x40) ? "on" : "off"); + + v4l2_info(sd, "Deep color mode: %s\n", deep_color_mode_txt[(hdmi_read(sd, 0x0b) & 0x60) >> 5]); + print_avi_infoframe(sd); } -- 2.39.5