From: "Maciej S. Szmigiero" <m...@maciej.szmigiero.name>

[ Upstream commit 9d802222a3405599d6e1984d9324cddf592ea1f4 ]

saa7134_i2c_eeprom_md7134_gate() function and the associated comment uses
an inverted i2c gate open / closed terminology.
Let's fix this.

Signed-off-by: Maciej S. Szmigiero <m...@maciej.szmigiero.name>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
[hverkuil-ci...@xs4all.nl: fix alignment checkpatch warning]
Signed-off-by: Mauro Carvalho Chehab <mchehab+sams...@kernel.org>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/media/pci/saa7134/saa7134-i2c.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/media/pci/saa7134/saa7134-i2c.c 
b/drivers/media/pci/saa7134/saa7134-i2c.c
index 493b1858815fb..04e85765373ec 100644
--- a/drivers/media/pci/saa7134/saa7134-i2c.c
+++ b/drivers/media/pci/saa7134/saa7134-i2c.c
@@ -342,7 +342,11 @@ static const struct i2c_client saa7134_client_template = {
 
 /* ----------------------------------------------------------- */
 
-/* On Medion 7134 reading EEPROM needs DVB-T demod i2c gate open */
+/*
+ * On Medion 7134 reading the SAA7134 chip config EEPROM needs DVB-T
+ * demod i2c gate closed due to an address clash between this EEPROM
+ * and the demod one.
+ */
 static void saa7134_i2c_eeprom_md7134_gate(struct saa7134_dev *dev)
 {
        u8 subaddr = 0x7, dmdregval;
@@ -359,14 +363,14 @@ static void saa7134_i2c_eeprom_md7134_gate(struct 
saa7134_dev *dev)
 
        ret = i2c_transfer(&dev->i2c_adap, i2cgatemsg_r, 2);
        if ((ret == 2) && (dmdregval & 0x2)) {
-               pr_debug("%s: DVB-T demod i2c gate was left closed\n",
+               pr_debug("%s: DVB-T demod i2c gate was left open\n",
                         dev->name);
 
                data[0] = subaddr;
                data[1] = (dmdregval & ~0x2);
                if (i2c_transfer(&dev->i2c_adap, i2cgatemsg_w, 1) != 1)
-                       pr_err("%s: EEPROM i2c gate open failure\n",
-                         dev->name);
+                       pr_err("%s: EEPROM i2c gate close failure\n",
+                              dev->name);
        }
 }
 
-- 
2.20.1

Reply via email to