Pandora Sourcecodes - openembedded.git/blob

   1 From 8a2cbbaa60ea06370d2a6d9303b1aab54cdb8a69 Mon Sep 17 00:00:00 2001
   2 From: Mike Rapoport <mike@compulab.co.il>
   3 Date: Tue, 24 Nov 2009 10:09:35 +0200
   4 Subject: [PATCH] backlight: tdo24m: ensure chip select changes between transfers
   5
   6 Some SPI host drivers do not change chip select betwen transfers unless
   7 .cs_chnage field is explicitly set. The LCD spec requires chip select
   8 change between consecuitive transfers, so ensure it at the SPI driver
   9 level.
  10
  11 Signed-off-by: Mike Rapoport <mike@compulab.co.il>
  12 ---
  13  drivers/video/backlight/tdo24m.c |    1 +
  14  1 files changed, 1 insertions(+), 0 deletions(-)
  15
  16 diff --git a/drivers/video/backlight/tdo24m.c b/drivers/video/backlight/tdo24m.c
  17 index bbfb502..4a3d46e 100644
  18 --- a/drivers/video/backlight/tdo24m.c
  19 +++ b/drivers/video/backlight/tdo24m.c
  20 @@ -367,6 +367,7 @@ static int __devinit tdo24m_probe(struct spi_device *spi)
  21
  22         spi_message_init(m);
  23
  24 +       x->cs_change = 1;
  25         x->tx_buf = &lcd->buf[0];
  26         spi_message_add_tail(x, m);
  27
  28 --
  29 1.6.4.4
  30