diff options
Diffstat (limited to 'recipes/linux/linux-omap-2.6.32/cm-t35/0001-backlight-tdo24m-ensure-chip-select-changes-between-.patch')
| -rw-r--r-- | recipes/linux/linux-omap-2.6.32/cm-t35/0001-backlight-tdo24m-ensure-chip-select-changes-between-.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap-2.6.32/cm-t35/0001-backlight-tdo24m-ensure-chip-select-changes-between-.patch b/recipes/linux/linux-omap-2.6.32/cm-t35/0001-backlight-tdo24m-ensure-chip-select-changes-between-.patch new file mode 100644 index 0000000000..b540987af0 --- /dev/null +++ b/recipes/linux/linux-omap-2.6.32/cm-t35/0001-backlight-tdo24m-ensure-chip-select-changes-between-.patch @@ -0,0 +1,30 @@ +From 8a2cbbaa60ea06370d2a6d9303b1aab54cdb8a69 Mon Sep 17 00:00:00 2001 +From: Mike Rapoport <mike@compulab.co.il> +Date: Tue, 24 Nov 2009 10:09:35 +0200 +Subject: [PATCH] backlight: tdo24m: ensure chip select changes between transfers + +Some SPI host drivers do not change chip select betwen transfers unless +.cs_chnage field is explicitly set. The LCD spec requires chip select +change between consecuitive transfers, so ensure it at the SPI driver +level. + +Signed-off-by: Mike Rapoport <mike@compulab.co.il> +--- + drivers/video/backlight/tdo24m.c | 1 + + 1 files changed, 1 insertions(+), 0 deletions(-) + +diff --git a/drivers/video/backlight/tdo24m.c b/drivers/video/backlight/tdo24m.c +index bbfb502..4a3d46e 100644 +--- a/drivers/video/backlight/tdo24m.c ++++ b/drivers/video/backlight/tdo24m.c +@@ -367,6 +367,7 @@ static int __devinit tdo24m_probe(struct spi_device *spi) + + spi_message_init(m); + ++ x->cs_change = 1; + x->tx_buf = &lcd->buf[0]; + spi_message_add_tail(x, m); + +-- +1.6.4.4 + |