From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/include/media/cec-pin.h | 24 ++++++++++++++----------
1 files changed, 14 insertions(+), 10 deletions(-)
diff --git a/kernel/include/media/cec-pin.h b/kernel/include/media/cec-pin.h
index 604e79c..483bc47 100644
--- a/kernel/include/media/cec-pin.h
+++ b/kernel/include/media/cec-pin.h
@@ -13,7 +13,8 @@
/**
* struct cec_pin_ops - low-level CEC pin operations
- * @read: read the CEC pin. Return true if high, false if low.
+ * @read: read the CEC pin. Returns > 0 if high, 0 if low, or an error
+ * if negative.
* @low: drive the CEC pin low.
* @high: stop driving the CEC pin. The pull-up will drive the pin
* high, unless someone else is driving the pin low.
@@ -22,18 +23,18 @@
* @free: optional. Free any allocated resources. Called when the
* adapter is deleted.
* @status: optional, log status information.
- * @read_hpd: read the HPD pin. Return true if high, false if low or
- * an error if negative. If NULL or -ENOTTY is returned,
- * then this is not supported.
- * @read_5v: read the 5V pin. Return true if high, false if low or
- * an error if negative. If NULL or -ENOTTY is returned,
- * then this is not supported.
+ * @read_hpd: optional. Read the HPD pin. Returns > 0 if high, 0 if low or
+ * an error if negative.
+ * @read_5v: optional. Read the 5V pin. Returns > 0 if high, 0 if low or
+ * an error if negative.
+ * @received: optional. High-level CEC message callback. Allows the driver
+ * to process CEC messages.
*
- * These operations are used by the cec pin framework to manipulate
- * the CEC pin.
+ * These operations (except for the @received op) are used by the
+ * cec pin framework to manipulate the CEC pin.
*/
struct cec_pin_ops {
- bool (*read)(struct cec_adapter *adap);
+ int (*read)(struct cec_adapter *adap);
void (*low)(struct cec_adapter *adap);
void (*high)(struct cec_adapter *adap);
bool (*enable_irq)(struct cec_adapter *adap);
@@ -42,6 +43,9 @@
void (*status)(struct cec_adapter *adap, struct seq_file *file);
int (*read_hpd)(struct cec_adapter *adap);
int (*read_5v)(struct cec_adapter *adap);
+
+ /* High-level CEC message callback */
+ int (*received)(struct cec_adapter *adap, struct cec_msg *msg);
};
/**
--
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