From 5cdd19bbad75f6cf1c44ac494b92a3b8d8826001 Mon Sep 17 00:00:00 2001 From: Krzysztof Hałasa Date: Mon, 26 Jul 2021 12:49:30 +0200 Subject: media: TDA1997x: report -ENOLINK after disconnecting HDMI source MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The TD1997x chip retains vper, hper and hsper register values when the HDMI source is disconnected. Use a different means of checking if the link is still valid. Signed-off-by: Krzysztof Hałasa Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/i2c/tda1997x.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/media') diff --git a/drivers/media/i2c/tda1997x.c b/drivers/media/i2c/tda1997x.c index 98b7c39e3e9b..6070aaf0b32e 100644 --- a/drivers/media/i2c/tda1997x.c +++ b/drivers/media/i2c/tda1997x.c @@ -1107,7 +1107,8 @@ tda1997x_detect_std(struct tda1997x_state *state, hper = io_read16(sd, REG_H_PER) & MASK_HPER; hsper = io_read16(sd, REG_HS_WIDTH) & MASK_HSWIDTH; v4l2_dbg(1, debug, sd, "Signal Timings: %u/%u/%u\n", vper, hper, hsper); - if (!vper || !hper || !hsper) + + if (!state->input_detect[0] && !state->input_detect[1]) return -ENOLINK; for (i = 0; v4l2_dv_timings_presets[i].bt.width; i++) { -- cgit v1.2.3