mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
synced 2024-11-18 22:54:00 +00:00
68 lines
2.1 KiB
Diff
68 lines
2.1 KiB
Diff
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commit 83ee92e168bc5d744f96961254ffac95a6260220
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Author: wolfgar <stephan.rafin@laposte.net>
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Date: Sat Sep 13 01:58:08 2014 +0200
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No longer try to get link status directly in this driver
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Only consume the event sent by mxc-hdmi driver
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diff --git a/drivers/mxc/hdmi-cec/mxc_hdmi-cec.c b/drivers/mxc/hdmi-cec/mxc_hdmi-cec.c
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index f8b3f7a..c30237e 100644
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--- a/drivers/mxc/hdmi-cec/mxc_hdmi-cec.c
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+++ b/drivers/mxc/hdmi-cec/mxc_hdmi-cec.c
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@@ -67,7 +67,6 @@ struct hdmi_cec_priv {
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u8 msg_len;
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int tx_answer;
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u16 latest_cec_stat;
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- u8 link_status;
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spinlock_t irq_lock;
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struct delayed_work hdmi_cec_work;
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struct mutex lock;
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@@ -96,7 +95,6 @@ static irqreturn_t mxc_hdmi_cec_isr(int irq, void *data)
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struct hdmi_cec_priv *hdmi_cec = data;
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u16 cec_stat = 0;
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unsigned long flags;
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- u8 phy_stat0;
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irqreturn_t ret = IRQ_HANDLED;
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spin_lock_irqsave(&hdmi_cec->irq_lock, flags);
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@@ -105,7 +103,6 @@ static irqreturn_t mxc_hdmi_cec_isr(int irq, void *data)
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cec_stat = hdmi_readb(HDMI_IH_CEC_STAT0);
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hdmi_writeb(cec_stat, HDMI_IH_CEC_STAT0);
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- phy_stat0 = hdmi_readb(HDMI_PHY_STAT0) & 0x02;
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if ((cec_stat & (HDMI_IH_CEC_STAT0_ERROR_INIT | \
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HDMI_IH_CEC_STAT0_NACK | HDMI_IH_CEC_STAT0_EOM | \
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@@ -113,14 +110,7 @@ static irqreturn_t mxc_hdmi_cec_isr(int irq, void *data)
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ret = IRQ_NONE;
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cec_stat = 0;
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}
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- if (hdmi_cec->link_status ^ phy_stat0) {
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- /* HPD value changed */
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- hdmi_cec->link_status = phy_stat0;
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- if (hdmi_cec->link_status)
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- cec_stat |= 0x80; /* Connected */
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- else
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- cec_stat |= 0x100; /* Disconnected */
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- }
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+
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pr_debug("HDMI CEC interrupt received\n");
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hdmi_cec->latest_cec_stat = cec_stat ;
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@@ -357,7 +347,6 @@ static ssize_t hdmi_cec_write(struct file *file, const char __user *buf,
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return ret;
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}
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-
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void hdmi_cec_start_device(void)
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{
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u8 val;
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@@ -373,7 +362,6 @@ void hdmi_cec_start_device(void)
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val = HDMI_IH_CEC_STAT0_WAKEUP | HDMI_IH_CEC_STAT0_ERROR_FOLL | HDMI_IH_CEC_STAT0_ARB_LOST;
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hdmi_writeb(val, HDMI_CEC_MASK);
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hdmi_writeb(val, HDMI_IH_MUTE_CEC_STAT0);
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- hdmi_cec_data.link_status = hdmi_readb(HDMI_PHY_STAT0) & 0x02;
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hdmi_cec_data.cec_state = true;
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}
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EXPORT_SYMBOL(hdmi_cec_start_device);
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