sony-vaio-z-series team mailing list archive

[Norbert Preining <preining@xxxxxxxx>]

On Di, 15 Sep 2009, Tom Fisher wrote:
> in the meantime, a quicker solution someone mentioned a while back which 
> 'works for me' in 2.6.30 is to suspend (echo mem > /sys/power/state) and 
> resume.
> upon resume i get the device back as /dev/mmcblk0

But only for one operation. Ejecting the sd card and re-inserting is
problematic.

The fix is trivial and attached.

Best wishes

Norbert

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Dr. Norbert Preining <preining@xxxxxxxx>        Vienna University of Technology
Debian Developer <preining@xxxxxxxxxx>                         Debian TeX Group
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From: Chris Ball <cjb@xxxxxxxxxx>
Date: Thu, 13 Aug 2009 16:13:37 -0400
Subject: [PATCH] Add no-reset-no-card quirk for Ricoh R5C822 on Sony laptops.

As reported here, card insertion detection is broken without this quirk
on a Sony Vaio Z11:  http://marc.info/?l=linux-mmc&r=1&b=200908&w=2

Signed-off-by: Chris Ball <cjb@xxxxxxxxxx>
Cc: Pierre Ossman <pierre@xxxxxxxxx> 

---
 drivers/mmc/host/sdhci-pci.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index 2f15cc1..63b9d2a 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -83,7 +83,8 @@ static int ricoh_probe(struct sdhci_pci_chip *chip)
 	if (chip->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM)
 		chip->quirks |= SDHCI_QUIRK_CLOCK_BEFORE_RESET;
 
-	if (chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG)
+	if (chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG ||
+	    chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SONY)
 		chip->quirks |= SDHCI_QUIRK_NO_CARD_NO_RESET;
 
 	return 0;