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Message-ID: <20140119195844.202f021b@armhf> Date: Sun, 19 Jan 2014 19:58:44 +0100 From: Jean-Francois Moine <moinejf@...e.fr> To: dri-devel@...ts.freedesktop.org Cc: Dave Airlie <airlied@...il.com>, Rob Clark <robdclark@...il.com>, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, Russell King - ARM Linux <linux@....linux.org.uk> Subject: [PATCH v3 17/24] drm/i2c: tda998x: get a better status of the connection This patch refines the connection status testing both bits RXSENS and HPD of the CEC register giving the connection level. Signed-off-by: Jean-Francois Moine <moinejf@...e.fr> --- drivers/gpu/drm/i2c/tda998x_drv.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c index 013a67c..ea7d1b4 100644 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ b/drivers/gpu/drm/i2c/tda998x_drv.c @@ -1050,7 +1050,9 @@ tda998x_encoder_detect(struct drm_encoder *encoder, struct tda998x_priv *priv = to_tda998x_priv(encoder); uint8_t val = cec_read(priv, REG_CEC_RXSHPDLEV); - return (val & CEC_RXSHPDLEV_HPD) ? connector_status_connected : + return (val & (CEC_RXSHPDLEV_RXSENS | CEC_RXSHPDLEV_HPD)) == + (CEC_RXSHPDLEV_RXSENS | CEC_RXSHPDLEV_HPD) ? + connector_status_connected : connector_status_disconnected; } -- 1.8.5.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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