From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/media/spi/cxd2880-spi.c | 21 +++++++++++++++++++++
1 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/kernel/drivers/media/spi/cxd2880-spi.c b/kernel/drivers/media/spi/cxd2880-spi.c
index c437309..11273be 100644
--- a/kernel/drivers/media/spi/cxd2880-spi.c
+++ b/kernel/drivers/media/spi/cxd2880-spi.c
@@ -10,6 +10,7 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": %s: " fmt, __func__
#include <linux/spi/spi.h>
+#include <linux/regulator/consumer.h>
#include <linux/ktime.h>
#include <media/dvb_demux.h>
@@ -51,6 +52,7 @@
struct mutex spi_mutex; /* For SPI access exclusive control */
int feed_count;
int all_pid_feed_count;
+ struct regulator *vcc_supply;
u8 *ts_buf;
struct cxd2880_pid_filter_config filter_config;
};
@@ -518,6 +520,19 @@
if (!dvb_spi)
return -ENOMEM;
+ dvb_spi->vcc_supply = devm_regulator_get_optional(&spi->dev, "vcc");
+ if (IS_ERR(dvb_spi->vcc_supply)) {
+ if (PTR_ERR(dvb_spi->vcc_supply) == -EPROBE_DEFER) {
+ ret = -EPROBE_DEFER;
+ goto fail_regulator;
+ }
+ dvb_spi->vcc_supply = NULL;
+ } else {
+ ret = regulator_enable(dvb_spi->vcc_supply);
+ if (ret)
+ goto fail_regulator;
+ }
+
dvb_spi->spi = spi;
mutex_init(&dvb_spi->spi_mutex);
dev_set_drvdata(&spi->dev, dvb_spi);
@@ -603,6 +618,9 @@
fail_attach:
dvb_unregister_adapter(&dvb_spi->adapter);
fail_adapter:
+ if (dvb_spi->vcc_supply)
+ regulator_disable(dvb_spi->vcc_supply);
+fail_regulator:
kfree(dvb_spi);
return ret;
}
@@ -631,6 +649,9 @@
dvb_frontend_detach(&dvb_spi->dvb_fe);
dvb_unregister_adapter(&dvb_spi->adapter);
+ if (dvb_spi->vcc_supply)
+ regulator_disable(dvb_spi->vcc_supply);
+
kfree(dvb_spi);
pr_info("cxd2880_spi remove ok.\n");
--
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